Chevy 350 Coolant Leak Intake Manifold

This engine would eventually be used in passenger cars and trucks in nearly every imaginable level of tune. We compared the factory 340 HP 409 manifold, the Edelbrock Performer RPM manifold, and finally, the Speed-PORT 6000. The carb is a 750 Holley. 6mm (5 mm hex) bolts & washers. The truck has never given me any problems, no coolant in the oil or on the spark plugs. 0L with LS2 Cylinder Head with Chevy Small Block Gen III/IV (LS-based engines) Engine 2008, Pro-Flo® XT EFI Satin Intake Manifold by Edelbrock®. The truck has not been cranked at this point. Since there are no coolant passages in the intake manifold, a major source of leaks has been eliminated. 87 Chevy 350 Burb - Coolant leak rear of engine Results 1 to 6 of 6 Discuss 87 Chevy 350 Burb - Coolant leak rear of engine in the alt. Right from the start I did not like the black rubber gasket that just laid on the block. overheat condition but u don't have that. The last sign of a blown head gasket with an internal leak is to look for the presence of exhaust gas in your coolant. Part# 146. ICT Billet 350 Chevy SBC Intake Manifold Flange Bolt Set Standard 3/8" Thread LT1 5. Knowing the year and engine of the. Its a TBI motor and I was wondering what if any more severe problems might arise from driving the car thsi way for a short time. I siliconed it in place but when I tightened the manifold it "squeezed" out. Well, I say its possible that it could be a small head gasket leak. There are cast-iron and aluminum intake manifolds for carbureted and fuel injected applications. Although GM has been aware of this problem 'since man learned to walk upright and harnessed the power of fire', they haven't done much to correct it. Has 185k miles. 100 inch higher than those found on the 1992 to 1996 LT1 heads) and angle spark plugs are used. Coolant leaking onto the ground under. mine had the crack in the head and was smoking. Raised intake port runners (. Congratulations on the purchase of your new AFR Titon composite intake manifold! This part was designed to maximize performance as well as provide flexibility by virtue of the airflow passages being separated from the other typical functions of the intake. My leak is in the #1 cylinder. I thought about head gasket(s) but since the coolant is on both sides of the oil pan that seems unlikely to develop the same leak in each side of the engine. 3 Z Jul 23 2012, 1:01am ive had a cracked head before in a vehicle, and it did not run smooth at all. Over time, the loss of coolant will reduce. This is on the left-hand side where the intake manifold bolts to the head (there's coolant on the manifold). Installation of the intake manifold, coolant crossover assembly, and related accessories all came next and it was just about ready to fire. Engine Intake Manifold Upper Dorman 615-900. Gen1 Powertrain. Advance Auto Parts has 31 different Intake Manifold Gasket Set for your vehicle, ready for shipping or in-store pick up. Dyno tests showed gains of 5 hp and 9 ft-lbs. Has 185k miles. My 1988 3800 motor ran 213K on it's all-aluminum intake before it started seeping coolant from the plastic/rubber gaskets, and it was an easy fix minus trying to get to one of the manifold bolts loose while leaving the throttle body in place. this is a 1999 350 5. The coolant is coming from the coolant ports on the end of the heads. 00 Shop Supplies $35. 1991 Chevrolet 1500 Pickup - 5. Jump to Latest Follow 1 - 3 of 3 Posts. I had this happen recently on my Chevelle 350 rebuild. 7L/350 Chevy small block Gen I Intake Manifolds and get Free Shipping on Orders Over $99 at Summit Racing!. One of the most common problems on the GM Vortec ‘Spider’ 4. as the title says, i have a big water leak from the back of the engine near the firewall. 4) Coolant Leak. Coolant leak: coolant only leaks when engine is cold, after it warms up it stops. GM uses a plastic material in manufacturing its intake manifold gaskets. Buy a 2001 Chevrolet Silverado 1500 Intake Manifold at discount prices. following sequence shown below. The repairs were completed on 10/18/17. The head gasket doesn't appear to be leaking, no misfires. Dual Plane Manifolds. The intake manifold is an aluminum, plastic or steel-like cover that will sit atop of the engine, attached by an intake manifold gasket, either made of plastic or rubber. I've heard that GM has had problems for years with intake manifold leaks on their v6 engines, and now the garage where we took my wife's '05 Malibu Maxx (3. Assuming this is a V configuration engine then yes. I have the intake manifold out and sitting on the front of the car and am just ready to install the new gaskets. 7L 350cid V8: CHEVROLET > 1988 > C1500 PICKUP > 5. Oddball Coolant Leak Chevy 350 Hey I have a 93 Yukon that is leaking coolant from the rear passenger side of the - GMC 1993 Yukon question. The ratings and reviews for these Chevrolet Intake Manifold aftermarket parts really help you make the right decision. It looks like it leaks from the side of the engine right around the belt. 1997 Chevrolet 1500 Pickup - 5. The problem is rooted in General Motors's design. Motor oil takes on a milky appearance when mixed with water. Reason: The engine coolant lines to the intake manifold heat up the intake manifold to allow for better atomization of fuel on cold days at start up. Are the edges of the valve covers possibly interfering with the intake and preventing it from seating all the way down in back? If it was a decked block issue, I would think both ends would have the same sealing problem. Buy Chevrolet Performance 10159409 at JEGS: Chevrolet Performance Intake Manifold Gaskets 1987-95 Chevy 305/350 TBI. 1993 NSX Kenne Bell 2. Dyno tests showed gains of 5 hp and 9 ft-lbs. No external leaks what so ever. No water on the dipstick. Coolant leaks should be. Order Intake Manifold Gasket for your 2015 Chevrolet Cruze and pick it up in store—make your purchase, find a store near you, and get directions. Finally got the dreaded intake gasket leak. behind the front timing cover. mine had the crack in the head and was smoking. There is coolant leaking into my oil because of this. and there are no external coolant leaks, you have an intake manifold. Knowing the year and engine of the. side front intake manifold. Pulled the spark plugs on my 97 Chevy truck (Vortec 350) and found a possible intake manifold gasket leak. There are no coolant crossovers on the intake, coolant is routed through the back of the cylinder heads through a crossover tube. hi i had 4 very loose bolts on my intake,coolant was leaking from one part of the intake. Head Port seals. If you have an intake leak of unmetered air getting into the engine the pcm will see it in the O2's sensors in closed loop and correct as much as it can. It may leak and allow the coolant to enter the intake port, the crank case, or it can drip down the side of engine on the outside. No sign of leak or issue there. The intake manifold gasket keeps the coolant sealed inside the engine too. Is there a way to confirm this without opening up the engine?. It looks like it leaks from the side of the engine right around the belt. 4t that had a bad head gasket I just got the car fixed now with a new head and head gasket and now the check engine light is on with. Extend the bead 1 / 2 inch (13mm) up each cylinder head to retain the gasket. Asked in Chevy 350. 7 liter vortek leaking coolant. 3L 2004 - 2005 Chevrolet Express 2500 LS 8 Cyl 5. I can't figure out how to remove it without removing. Coolant was leaking from intake manifold @ 450000 miles. Leaks in the manifold allow coolant to mix with the motor oil or leak from the engine. overheat condition but u don't have that. The price range can widely vary, again, depending on the car you drive. 99 Sales Tax $20. I noticed a vacuum leak on the hose that goes from the valve cover to the intake manifold. most of the time with a blown head gasket u will have oil and water mixed in the pan, and milky substance under the oil cap, along with excessive coolant system pressure which could rupture the radiator , however with lower intake seals leaking on 96-99 chevy 5. Leading me to believe that it is my intake manifold gasket going bad. Gasket Intake Manifold Gaskets, Upper to Lower Intake Manifold Gaskets Fits 1985-1992 Chevrolet 305/350 Gen I Small Block with Tuned Port Injection. Too much oxygen compared to the amount of fuel. Common problems with intake manifolds include vacuum, coolant or oil leaks, reduced flow due to carbon build-up and issues with the intake tuning valves. Let me know if my thought process is correct for diagnosis - Causes for water in oil - 1. 4) Coolant Leak. Pieces of the intake gasket not even covering the intake. Classic Industries offers a wide selection of 1988 Chevrolet Truck parts, including 1988 Chevrolet Truck interior parts and soft trim, 1988 Chevrolet Truck exterior sheet metal, 1988 Chevrolet Truck moldings, 1988 Chevrolet Truck emblems, 1988 Chevrolet Truck weatherstrip and unique accessories, to nearly every nut and bolt needed for installation. No water on the dipstick. Yesterday, started OK, lacked power, (feels like it was running on about 4-5 cylinders), had. Although leakage at the intake manifold gaskets is a common. Depending on your engine there may be oil splashing around under the intake manifold, and when the seal or gasket there gets old the oil can leak out. 18; Intake Manifold Bolt Set - 50. Here's a pic. JEGS 513004 Intake Manifold for Small Block Chevy with 1996-2002 Vortec L31 Cast Iron Heads [Black] 5. i have a coolant leak on the rear of the engine at the top near the intake manifold on the drivers side. 480" stroke is 1. Check here for special coupons and promotions. Inspecting Exhaust Manifolds And Risers. Anyway no oil leak now that I replaced the gaskets. Gen1 Powertrain. Dyno tests showed gains of 5 hp and 9 ft-lbs. It is not every time I drive the truck, it shows up at random times. As such, it led to troubles resulting in car coolant leaks. If the coolant is pooled on top of the intake it most likely is coming from the housing. Truck was loosing coolant and it looks like there is an external leak on the front of the intake manifold, but one of the plugs is colored red and I think it is leaking internally also. Rad, lower rad hose, water pump, block, heads, intake, water neck, top rad hose, rad. It was all coming from the head passageways into the intake manifold. When it comes to your Chevrolet Blazer, you want parts and products from only trusted brands. specs on the test engine: An all standard size 1963 Chevrolet "QB" 409 short block. Distributor seal. The lower intake manifold is a cast aluminum or molded plastic chamber bolted to the cylinder head of the engine. Late model General Motors vehicles have had more than their share of problems with intake manifold gasket failure Many times these vehicles come to us, leaking again after having had the intake gaskets replaced elsewhere. 410 results for chevy 350 exhaust manifold Save chevy 350 exhaust manifold to get e-mail alerts and updates on your eBay Feed. I feel neither of these adequately. 0L with LS2 Cylinder Head with Chevy Small Block Gen III/IV (LS-based engines) Engine 2008, Pro-Flo® XT EFI Satin Intake Manifold by Edelbrock®. I am a dealership tech and I believe its a design fault. Any suggestions on a "cheap" fix for thr problem. Chevy Silverado 1500 / 2500 HD / 3500 HD 6. No water in oil or milky conditions. From 3000 to 4500 rpm, the power increases averaged 5+ ft-lbs. Buddy thought it was an intake manifold gasket so, he bought one to have me do it. Discussion in '1973-1987' started by grayhitandmiss, Feb 12, 2009. 1996 Chevy G10 Van - Coolant Leak, No. Location: Main Index » Forum Index » Trucks-Vans-SUV » 88-98 Fullsize Trucks, Vans, Suburbans, Blazers, Tahoes » Intake Manifold water leak? 88/350 SOLVED FusionBB™ Version 2. You can save this image file to your individual device. However, I noticed, that when I checked my oil the next day, I have coolant in my oil. Shut her off, looked under the truck and there's a small puddle on the ground passenger side towards the rear of the engine. I have a severe coolant leak that I'm not 100% sure where it's coming from but it appears to be in the rear block area. I siliconed it in place but when I tightened the manifold it "squeezed" out. The 98 Vortec 350 CID engine has an aluminum intake and a plastic plenum mounted to it. 7L V8 177,250 mi,. also pull off the booster hose then check for your carb just some more places to look. The problem stretches back to the 2010 Chevy Cruze models and we've seen them on the 2016 models as well. 87 Chevy 350 Burb - Coolant leak rear of engine Results 1 to 6 of 6 Discuss 87 Chevy 350 Burb - Coolant leak rear of engine in the alt. 3L at 61,000 I've read on the web that Dexcool caused gasket problems. Took it to a mechanic that determined it was a cracked head caused by a bad castech head. But that same process acts as an air heater that heats the air going into your engine all the time. Chevrolet Performance offers durabilty and value in each set made. GM CHEVY BILLET ALUMINUM LS1 LS6 INTAKE FUEL INJECTOR RAILS. this is a 1999 350 5. 6mm (5 mm hex) bolts & washers. 350 The 1967 Camaro also brought the world the first 350-cubic-inch small-block Chevy V-8. The intake. S10 LT1-350 Posts 4,096. Background: Some vehicle owners are complaining of excessive engine coolant consumption, or an engine coolant leak near or under the throttle body area of the upper intake manifold. Order Intake Manifold Gasket for your 2001 Chevrolet Silverado 1500 and pick it up in store—make your purchase, find a store near you, and get directions. Air cleaning can be a bit of a problem. Reason: The engine coolant lines to the intake manifold heat up the intake manifold to allow for better atomization of fuel on cold days at start up. Combination of the DEXCOOL coolant required and the gaskets being weak as it is. 2012 Chevy Cruze Eco. 0L with LS2 Cylinder Head with Chevy Small Block Gen III/IV (LS-based engines) Engine 2008, Pro-Flo® XT EFI Satin Intake Manifold by Edelbrock®. (Page 1 of 8). 1 liter is known for the lower intake manifold leaks. 4t that had a bad head gasket I just got the car fixed now with a new head and head gasket and now the check engine light is on with. Truck was loosing coolant and it looks like there is an external leak on the front of the intake manifold, but one of the plugs is colored red and I think it is leaking internally also. I'm rebuilding a 1976 / 77 Chevy 350, with a 2 barrel carb. The intake manifold is an aluminum, plastic or steel-like cover that will sit atop of the engine, attached by an intake manifold gasket, either made of plastic or rubber. Drained radiator fluid / oil. 350 TBI, coolant on the intake manifold, overflow tank empty, puddle Jump to Latest Follow green liquid sitting between the intake manifold/valve cover on the drivers side and its damp looking down that side of the block in the front behind the water pump. Coolant leak: coolant only leaks when engine is cold, after it warms up it stops. I took it to a different dealer & they said the t-joint in the coolant system was leaking. 8 were bad for intake manifold gasket leaks. This condition may result in a low engine coolant level and higher engine operating temperatures. The intake on these are dry, no coolant flows through them, and I had my intake gasket changed about 4 years ago. An internal engine coolant leak may happen because of a cracked water jacket, cracked cylinder block or head, blown head gasket, a damaged transmission oil cooler line on automatic transmissions, or a leaking intake manifold gasket on V-type engines. Slide the bracket over the bolt at the rear of the cylinder head. The Chevy 3. truck hasnt ran hot or. If there is even a small crack in the gasket, coolant fluid can seep through quite easily. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Extreme temperatures, oil and coolant contamination, and the constant barrage of intake air will wear the gasket to the point where leaks develop between the cylinder head and manifold. Cant keep that coolant in there too long, change it every year The GMT800 trucks have a dry intake, so the coolant couldn't be going through there. grayhitandmiss Member. 79: Alternate: Increased tensile strength & conformability. Select your vehicle. PermaDryPlus intake manifold gaskets are designed to provide a permanent seal. Replacing the Chevy 350 Exhaust Manifold Chevy 350 has been the most known engine. I have a 1985 chevy pickup. The lower intake manifold is a cast aluminum or molded plastic chamber bolted to the cylinder head of the engine. but those with 5. This gasket is responsible for directing the air-fuel mixture inside the engine to the corresponding cylinder to be burned for power. I added 2 bottles of BarsLeak over a 1 year period & it really slowed the leak. Problem is that in order to fix the leak,the black plastic cover over the intake manifold needs to be removed or at least loosened. Please right click on the image and save the photo. Cant keep that coolant in there too long, change it every year The GMT800 trucks have a dry intake, so the coolant couldn't be going through there. grayhitandmiss Member. Truck runs ok. I tightened the only 2 manifold bolts visible to 90 lb/in. The Pro-Flo XT LS1 EFI intake manifold is. Trying to complete a cam swap and ran into a major coolant leak after putting it all back together. APDTY 726289 Intake Manifold Assembly w/Gaskets & Upgraded Heavy Duty Aluminum Coolant Crossover Fits 96-1997 Mercury Cougar 4. 73; Labor $570. Got this truck on trade for next to nothing, and here's what it had: 74 Chevy with 92 carbed tbi 350. NOTE: Open carburetor spacer is not recommended with use of dual-plane manifolds. These seals can be pre-formed rubber or >> silicone (RTV). rebuilt 80,000ks ago. It is very possible that you have a blown/leaking head gasket. 7l V8 TBI from a 1990 Chevy K1500. Rad, lower rad hose, water pump, block, heads, intake, water neck, top rad hose, rad. I tightened the only 2 manifold bolts visible to 90 lb/in. 5 liter LX9 engine saw use in the 2004-present Malibu LS and LT models. Have 2001 tahoe with a coolant leak. Gen1 Powertrain. April 3rd, 2012 at 3:30 pm. I added 2 bottles of BarsLeak over a 1 year period & it really slowed the leak. The base gasket material resists coolant, gasoline, alcohol and oil. Coolant was leaking from intake manifold @ 450000 miles. My FJ60 has a 5. Classic Industries offers a wide selection of 2002 Pontiac Firebird parts, including 2002 Pontiac Firebird interior parts and soft trim, 2002 Pontiac Firebird exterior sheet metal, 2002 Pontiac Firebird moldings, 2002 Pontiac Firebird emblems, 2002 Pontiac Firebird weatherstrip and unique accessories, to nearly every nut and bolt needed for installation. It was all coming from the head passageways into the intake manifold. The intake on these are dry, no coolant flows through them, and I had my intake gasket changed about 4 years ago. 3L coolant leak into engine. Where is the coolant temperature sensor located. Looking up at the engine I find some oil and coolant on the bottom of the oil pan gasket to rear main block. 480" stroke is 1. Coolant leak: coolant only leaks when engine is cold, after it warms up it stops. Chevy Buick Pontiac Olds Upper Intake Manifold If this area warps, it will cause a vacuum leak or an external coolant leak from the area under throttle body. side front intake manifold. 7L Vortec Intake Manifold Coolant Leak. hi i had 4 very loose bolts on my intake,coolant was leaking from one part of the intake. Exhaust Manifold leaks Chevy 454 Showing 1-14 of 14 messages. I've got a 92 Chevy 4x4 Pickup that has a 350 engine. It looks like it leaks from the side of the engine right around the belt. The engine only ran in the garage for about 15 minutes after the initial PCV failure. The vehicle was leaking coolant in two places. 38 Totals: Price if I Pickup the parts - $ 796. This gasket is responsible for directing the air-fuel mixture inside the engine to the corresponding cylinder to be burned for power. The coolant seems to be building up in the spark plug recess and saturating the exhaust manifold gasket but only in cylinder #1. The gaskets have metal knockout plates in two places, and I'm wondering whether I should remove them out or not? The aluminum 305 intake I looked at had a blank space in this area, the 350 intake seems to have a coolant passage there. In severe cases of coolant leaks, parts of the manifold are wet with coolant, or puddles of coolant are present. I put on a Edelbrock performer intake and first it leaked out the back when pouring water in the radiator. can coolant get into cylinder from a bad intake gasket or should i be looking at head gasket etc. The heat of the engine evaporates the leaking coolant so you don't always see a leak but the coolant usually leaves staining to give you a clue there is a leak there. Coolant in intake manifold. the_same_mountainbike July 6, 2016, 4:28am #5. 00 Shop Supplies $35. You can save this image file to your individual device. Depending on how long it has been leaking, the alluminum intake manifold may have some damage. I have since swapped. 703", piston compression height is 1. I thought about head gasket(s) but since the coolant is on both sides of the oil pan that seems unlikely to develop the same leak in each side of the engine. 7L Vortec Engines built between 1995 and 2002 can some times be attributed to the stock plastic intake manifold gaskets. Reason: The engine coolant lines to the intake manifold heat up the intake manifold to allow for better atomization of fuel on cold days at start up. It may leak and allow the coolant to enter the intake port, the crank case, or it can drip down the side of engine on the outside. 79: Alternate: Increased tensile strength & conformability. hi i had 4 very loose bolts on my intake,coolant was leaking from one part of the intake. Guaranteed lowest price! Open 24x7 - Same Day Shipping! $10 off $299, $20 off $499, $30 off $699, $100 off $1299 Orders. Problem is that in order to fix the leak,the black plastic cover over the intake manifold needs to be removed or at least loosened. We provide incredibly reasonable prices on quality parts. The 2002 Chevrolet Impala has 142 problems reported for intake manifold gasket failure, leaking coolant. Installation of the intake manifold, coolant crossover assembly, and related accessories all came next and it was just about ready to fire. Its a common problem on most of GM engines, let alone the 4. 2012 Chevy Cruze Eco. Jump to Latest Follow 1 - 16 of 16 Posts oil leak. 2004 Chevrolet Trailblazer North Face 6 Cyl 4. After engine is warmed up, retorque manifold bolts to 25 lb. He just picked this boat up, so previous work by the owner is suspect. The intake manifold gasket keeps the coolant sealed inside the engine too. In open loop it uses the MAF, MAP, TPS, IAT and Coolant temp sensors to help make it run. I just needed to remove the intake manifold, but first all the other stuff that bolted to it had to be removed which included most of the stuff on top of the engine. Exhaust Manifold leaks Chevy 454 Showing 1-14 of 14 messages. Oddly enough, they appear dry from what I can see, No sludge in radiator, or engine oil. I can't figure out how to remove it without removing. Chevrolet Express 1500 Intake Manifold Gaskets May Leak Coolant or Engine Oil - 40 reports. The best part is, our Chevrolet Blazer Intake Manifold Gasket Set products start from as little as $14. One of the most common problems on the GM Vortec 'Spider' 4. But that same process acts as an air heater that heats the air going into your engine all the time. Gen1 Powertrain. Classic Industries offers a wide selection of 2002 Pontiac Firebird parts, including 2002 Pontiac Firebird interior parts and soft trim, 2002 Pontiac Firebird exterior sheet metal, 2002 Pontiac Firebird moldings, 2002 Pontiac Firebird emblems, 2002 Pontiac Firebird weatherstrip and unique accessories, to nearly every nut and bolt needed for installation. The MAP sensor 'reads' manifold vacuum. An older-much older-vehicle with a carburetor will run lean. 8 GM Series II Intake Manifold coolant leak causing hydro lock. This engine would eventually be used in passenger cars and trucks in nearly every imaginable level of tune. Application Summary: Buick 2005-02, Chevrolet 2005-00, Oldsmobile 2004-00, Pontiac 2005-00. Its a common problem on most of GM engines, let alone the 4. 5L v6, 49,000 miles)) for a coolant change tells me that the "lower intake manifold" is beginning to leak oil, and that it will cost @$650 to fix (parts: "Intake manifold set" and "Intake manifold belt set" (@$280) and labor (@$370). Our people also have some more pictures associated to 2005 Chevy Malibu Transmission Diagram, please see the pic gallery below. BLACKHORSE-RACING Exhaust Manifolds Automotive Replacement Engine Stainless Clipster Header Manifold Exhaust Gaskets for Chevy Small Block SBC A F G 5. I have a Chevrolet s10 with a 4. hi i had 4 very loose bolts on my intake,coolant was leaking from one part of the intake. 6L intake manifold swap cause of coolant leak. 87 Chevy 350 Burb - Coolant leak rear of engine Results 1 to 6 of 6 Discuss 87 Chevy 350 Burb - Coolant leak rear of engine in the alt. Hello, new to this. In open loop it uses the MAF, MAP, TPS, IAT and Coolant temp sensors to help make it run. Once pump is tight against manifold, torque all manifold bolts to 40 lb. In fact heres the route/path. 7L Compatible with Chevrolet Small Block V8 305 327 350 383 5. You have the TH700R4 auto if it has OD. Intake Manifold. Year 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971. After driving more at a steady highway speed, 60-70mph it started leaking at the #4 cylinder below the spark plug!!!. Coolant Leak. If you are not sure if the intake manifold is leaking, or if a leak is coming from somewhere else, inspect more closely. I have a severe coolant leak that I'm not 100% sure where it's coming from but it appears to be in the rear block area. Suspect the intake manifold gaskets needs to be replaced. Head Port seals. Yesterday, started OK, lacked power, (feels like it was running on about 4-5 cylinders), had. the_same_mountainbike July 6, 2016, 4:28am #5. It appears it is coming down the front of the motor so I suspect either the water. Usually the system won't leak when it's hot. is this a head gasket leak? it doesnt appear to be but coola chevy: with 5. 5L v6, 49,000 miles)) for a coolant change tells me that the "lower intake manifold" is beginning to leak oil, and that it will cost @$650 to fix (parts: "Intake manifold set" and "Intake. When these gaskets fail coolant will enter the crankcase or intake port, or drip down the outside of the engine. I've had it 11 years, never any engine trouble. Its a TBI motor and I was wondering what if any more severe problems might arise from driving the car thsi way for a short time. Well, I say its possible that it could be a small head gasket leak. I never saw any coolant leaking from my 2000 model 350 engine, the coolant was leaking into the intake manifold gaskets. specs on the test engine: An all standard size 1963 Chevrolet "QB" 409 short block. Currently this is just a mild, nearly stock 350 SBC that will go in a mild trail rig. Intake manifold gaskets can be made of paper, rubber, metal, and sometimes a combination of the three. The truck has never given me any problems, no coolant in the oil or on the spark plugs. i tighten them back up and now i have notice coolant in one of my cylinders. Coolant leaks on GM 5. It only does it when the engine has gotten warm, but not all the way to O. I put a new manifold on my sbc 350. They're designed to replace factory components for the best maintenance and reliability for your vehicle. Author: Topic: sealing intake manifold gaskets: indyphil Gearhead. Inspecting Exhaust Manifolds And Risers. Late model General Motors vehicles have had more than their share of problems with intake manifold gasket failure Many times these vehicles come to us, leaking again after having had the intake gaskets replaced elsewhere. After engine is warmed up, retorque manifold bolts to 25 lb. 4) Coolant Leak. Coolant in intake manifold. chevy forum at Car Dealer Forums; 87 Chevy Suburban S10 3/4 T. Coolant and air can leak through these cracks, heating up and suffocating your engine!. my crankcase i. If you are not sure if the intake manifold is leaking, or if a leak is coming from somewhere else, inspect more closely. One of the recognizable symptoms of bad intake manifold gasket is coolant leaks. The intake manifold gasket is made of rubber or plastic and attaches the intake manifold to the engine. Vortec leaking coolant with GM intake gaskets Discussion in 'Engine Topic' started by number9, Oct 9, 2014. 4t that had a bad head gasket I just got the car fixed now with a new head and head gasket and now the check engine light is on with. Average repair cost is $800 at 118,200 miles. Chriscruze12 · Registered. Jump to Latest Follow 1 - 3 of 3 Posts. rebuilt 80,000ks ago. I've owned this truck since new it only has 102K miles but is still 18 yrs old. You can save this image file to your individual device. Coolant in recovery tank is at normal level. CUTLASS 307 y code olds intake manifold coolant leak. Are headers from Gibson or Jaddine a good. Knowing what is causing the coolant to leak from your exhaust manifold can help save you time and money. The intake manifold must be tightly sealed to the cylinder head(s) using a gasket in order to prevent air, oil, or engine coolant leaks. If you're reading this article, you've probably already experienced and repaired this issue (at least once), or are in the process of repairing it or will be soon enough! it's as inescapable as taxes. 1; 2; First 2 of 2 Go to page. Another symptom of a faulty intake manifold gasket is coolant leaks. Small Block Chevy SBC Chrome 6 Pt Intake Manifold Bolts 283 327 350 400 1955-86. My son's 2003 GT Mustang had an intake leak (shown below) in the same location as yours. 2000 Yukon XL 5. this is a 1999 350 5. 7l V8 TBI from a 1990 Chevy K1500. I let her idle, gave it some revs and the temp gradually shoots up 213*. Components of the Chevy 350 engine are no less in availability to meet its ever high demand. 2006 Chevy Monte Carlo 3. Pulled the spark plugs on my 97 Chevy truck (Vortec 350) and found a possible intake manifold gasket leak. 7L 350cid V8 > Engine > Intake Manifold Gasket. hi i had 4 very loose bolts on my intake,coolant was leaking from one part of the intake. Engine has about 250K miles and never been opened. Back in the days when most engines had cast iron blocks, heads and manifolds, the intake manifold could be easily sealed with simple and relatively inexpensive die. Lynn Edsel. This is a 305 engine, which, at least from my research, seems to leak less from the intake manifold gasket than the 350. Location: Main Index » Forum Index » Trucks-Vans-SUV » 88-98 Fullsize Trucks, Vans, Suburbans, Blazers, Tahoes » Intake Manifold water leak? 88/350 SOLVED FusionBB™ Version 2. Usually the system won't leak when it's hot. Any idea how this cover can be removed?. The intake manifold gasket is made of rubber or plastic and attaches the intake manifold to the engine. Is there a way to confirm this without opening up the engine?. Engine Intake Manifold Upper Dorman 615-900. Chevy Suburban 5. Discovered loose intake bolts, retightened by hand and that seemed to take care of the leak. Coolant shoots up off the belt. I checked the dipstick and it's painfully obvious. How to Replace a Leaking Intake Gasket on a 2006 Chevy 3. Just keep it serviced,add an aux cooler if your towing,and dont tow in OD with heavy. restarted truck, upper radiator hose colapsed. Every so often I can barely make out the smell of burning. it all ends up in the heater core because this is a low flow area designed to trap heat. I've owned this truck since new it only has 102K miles but is still 18 yrs old. i have a coolant leak on the rear of the engine at the top near chevy: with 5. We provide incredibly reasonable prices on quality parts. Coolant leak. The intake manifold gasket keeps the coolant sealed inside the engine too. 3 Z Jul 23 2012, 1:01am ive had a cracked head before in a vehicle, and it did not run smooth at all. hopefully one of the experienced mechanics reply soon. Small Block Chevy Intake Manifold Bolt Torque Specifications 25 Ft/Lbs Make sure you follow the sequence in a couple of steps, worry about this more on old and aluminum manifolds. Gasket Intake Manifold Gaskets, Upper to Lower Intake Manifold Gaskets Fits 1985-1992 Chevrolet 305/350 Gen I Small Block with Tuned Port Injection. In this video I show a less common find of a cracked lower intake manifold on a 1997 Chevy Silverdo truck with a 5. Congratulations on the purchase of your new AFR Titon composite intake manifold! This part was designed to maximize performance as well as provide flexibility by virtue of the airflow passages being separated from the other typical functions of the intake. In open loop it uses the MAF, MAP, TPS, IAT and Coolant temp sensors to help make it run. Start engine, check for any water leaks. specs on the test engine: An all standard size 1963 Chevrolet "QB" 409 short block. 7liter engine,and its just been diagnosed with a leaking intake manifold gasket and leaking injector seals. Search Fixya 350 chevy intake manifold 1994 chevy k1500 check engine Related Topics: 1994 Chevrolet K1500 Chevrolet 1500. 34; Price if HE Picks up the parts - $ 905. Inspecting Exhaust Manifolds And Risers. I've heard that GM has had problems for years with intake manifold leaks on their v6 engines, and now the garage where we took my wife's '05 Malibu Maxx (3. '75 350 w/ four-bolt main bearing caps. Every so often I can barely make out the smell of burning. 3L engine chevy blazer i`m pretty sure there are no coolant hoses back there so the possible causes of the leak must be head gasket lower manifold gasket 3)freeze plug I know the 4. But I don't think that's the problem here. Installation of the intake manifold, coolant crossover assembly, and related accessories all came next and it was just about ready to fire. I'm rebuilding a 1976 / 77 Chevy 350, with a 2 barrel carb. The top picture is the bottom view of the intake manifold just below the thermostat housing base and the intake manifold. 1991 Chevrolet 1500 Pickup - 5. This is a verified problem based on 204 reports. Coolant leaks. Weiand 7546 Single Plane Intake Manifold Small Block Chevy SBC 350 Free Shipping. specs on the test engine: An all standard size 1963 Chevrolet "QB" 409 short block. I have a 99 Yukon 5. 2005 GTO Maggie, Kooks LTH, Lingenfelter intake, Forged engine, ceramic coated heads, Magnaflow X-pipe, Koni shocks with King Springs, Addco Sway bars, SS-braided brake lines with EBC Red Stuff pads. 1997 Chevrolet 1500 Pickup - 5. Jump to Latest Follow 1 - 3 of 3 Posts. That coolant may start leaking into the engine soon. The Chevy Cruze coolant leak is a problem on the rise. Learn about this problem, why it occurs, and how to fix it. It is not every time I drive the truck, it shows up at random times. Oddly enough, they appear dry from what I can see, No sludge in radiator, or engine oil. I noticed a vacuum leak on the hose that goes from the valve cover to the intake manifold. 7 Vortec, you will normally have an external engine oil/coolant leak, and or mysterious coolant loss with no external leak, which. No water in oil or milky conditions. Assuming this is a V configuration engine then yes. Gasket Intake Manifold Gaskets, Upper to Lower Intake Manifold Gaskets Fits 1985-1992 Chevrolet 305/350 Gen I Small Block with Tuned Port Injection. Chevy Astro 2003, Intake Manifold Bolt Set by Victor Reinz®. The coolant passages are on all four corners of the manifold where it meets the cylinder heads. i tighten them back up and now i have notice coolant in one of my cylinders. Wellllll, after mildly driving around for the product to settle in I noticed one heck of a coolant leak now on the passenger side at the #6 cylinder below the spark plug. Is there a way to confirm this without opening up the engine?. The wide range of Chevrolet Performance intake manifolds means there is an ideal manifold for your many needs. The exhaust has no distinctive smell of burning coolant. Compact 3/8" hex head bolt allows use of standard non 12 point socket wrench yet is easy to work with in tight quarters. Has 185k miles. 586-739-9601 Monday - Friday 10:00 AM-7:00 PM E. Extend the bead 1 / 2 inch (13mm) up each cylinder head to retain the gasket. New oil and filter plus antifreeze add another $40, new thermostat and incidentals add another $30, my cost was about $250. This video shows the replacement of the Intake. The intake manifold must be tightly sealed to the cylinder head(s) using a gasket in order to prevent air, oil, or engine coolant leaks. Compact 3/8" hex head bolt allows use of standard non 12 point socket wrench yet is easy to work with in tight quarters. Average repair cost is $820 at 89,500 miles. The lower intake manifold gasket fails and leaks coolant into the engine oil. Curious I sweep the back of the engine from each side with a clean hand and I come up with no source, cylinder heads, valve covers, intake manifold, oil sending unit, distributor, oil port plug, oil filter, all of the external stuff is dry. Location: Main Index » Forum Index » Trucks-Vans-SUV » 88-98 Fullsize Trucks, Vans, Suburbans, Blazers, Tahoes » Intake Manifold water leak? 88/350 SOLVED FusionBB™ Version 2. Generally, when this seals were damaged, then the coolant will flow out over the seal. Jump to Latest Follow 21 - 24 of 24 Posts. The lower intake manifold is a cast aluminum or molded plastic chamber bolted to the cylinder head of the engine. Leighann Bartley. Intake manifold wasnt perfectly flat, its old and has some pitting on the gasket surface, and if you look where the rubber part of the gasket hits the intake around the coolant ports all 4 of them have 1 corner where there is very little surface for the gasket to seal. I replaced intake manifold along with valve cover gaskets today. If there is a hole in between your combustion chamber and the cooling jacket in your head gasket, each time the piston pushes exhaust gas out of the combustion chamber into the exhaust system some exhaust gas will also be. Wellllll, after mildly driving around for the product to settle in I noticed one heck of a coolant leak now on the passenger side at the #6 cylinder below the spark plug. CUTLASS 307 y code olds intake manifold coolant leak. Problem is that in order to fix the leak,the black plastic cover over the intake manifold needs to be removed or at least loosened. Have 2001 tahoe with a coolant leak. intake manifold. Went home and parked for a few hours, fearing the intake manifold gaskets may be shot. If you're reading this article, you've probably already experienced and repaired this issue (at least once), or are in the process of repairing it or will be soon enough! it's as inescapable as taxes. Jump to Latest Follow 1 - 16 of 16 Posts oil leak. Next day, started it up and the antifreeze started pooling up on the RIGHT side of the intake manifold again. 4 V6 engines. No external leaks what so ever. they were so loose I could almost turn them with my fingers!theleak. Discussion in '1973-1987' started by grayhitandmiss, Feb 12, 2009. This condition may result in a low engine coolant level and higher engine operating temperatures. It was all coming from the head passageways into the intake manifold. Choose top quality brands AC Delco, DIY Solutions, Dorman, Replacement, SKP. The MAP sensor 'reads' manifold vacuum. Oil leaking through intake manifold bolts? Take a look-see. The best part is, our Chevrolet Blazer Intake Manifold Gasket Set products start from as little as $14. The solution here is to fix the intake manifold gasket, flush the system, and then add new coolant, then think about the AC problem. How many of you guys had to replace the intake manifold gasket on your S-10's due to it leaking? I had to do mine on my S-10, 4. Began: February 10, 2002. Same as manifold P/N 12363420 (see above), but. When you're low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts chain store. You must remove a Chevrolet V8 intake manifold to repair two common problems. 0L Eight Cylinder Long Water Pump 551653 5. 003, so if you wished to run zero deck with a 0. Been off road and used for towing. You will notice a coolant smell inside your car if this has happened. The coolant seems to be building up in the spark plug recess and saturating the exhaust manifold gasket but only in cylinder #1. Coolant Leak. Most likely just the intake manifold gasket. If manifold must be moved, re-check gasket placement. 37; T hermostat - 36. No water in oil or milky conditions. 11/3/17 an email from on-star said there was an engine problem. I replaced the lower intake manifold gaskets and the upper intake manifold assembly on our 2000 Buick LeSabre last August. I added 2 bottles of BarsLeak over a 1 year period & it really slowed the leak. The car fired right up, which is always a good thing! It got to operating temperature, and I bled the air from the cooling system so it was good to go. The Chevy Cruze coolant leak is a problem on the rise. The intake on these are dry, no coolant flows through them, and I had my intake gasket changed about 4 years ago. Extreme temperatures, oil and coolant contamination, and the constant barrage of intake air will wear the gasket to the point where leaks develop between the cylinder head and manifold. The suspect leak areas are the intake manifold, water pump and the heater. Yesterday, started OK, lacked power, (feels like it was running on about 4-5 cylinders), had. Have the A/C system recharged. 2L Designed Specifically to Work w/Dorman OE Solutions Intake Manifold Gaskets Only; V8 325CID 5. Apart from sealing engine vacuum, certain intake manifold designs will also seal engine coolant. Vortec Intake Manifold LOWER 5. On average, the cost to repair the intake manifold gasket will depend on the mechanic you visit, where you live and the car you drive. 73; Labor $570. Jump to Latest Follow 1 - 3 of 3 Posts. 410 results for chevy 350 exhaust manifold Save chevy 350 exhaust manifold to get e-mail alerts and updates on your eBay Feed. Coolant in intake manifold. 350 TBI, coolant on the intake manifold, overflow tank empty, puddle Jump to Latest Follow green liquid sitting between the intake manifold/valve cover on the drivers side and its damp looking down that side of the block in the front behind the water pump. performance. Buy a 2005 Chevrolet Impala Intake Manifold at discount prices. Learn more about this problem, when it occurs. It really depends on what type of vehicle, but in general a leaking intake can cause high idle, coolant burning in cylinders, oil leaks, weird O2 sensor readings, the egr so. Most experts agree that the problem stems from GM's "DexCool" coolant, which reacts with the intake manifold gasket, causing it to leak coolant. Been off road and used for towing. Are headers from Gibson or Jaddine a good. Asked in Chevy 350. No water in oil or milky conditions. 1st Generation Chevrolet Cruze. I have since swapped. The carb is a 750 Holley. I put a new manifold on my sbc 350. When these gaskets fail coolant will enter the crankcase or intake port, or drip down the outside of the engine. Exhaust Manifold leaks Chevy 454 Showing 1-14 of 14 messages. If you are not sure if the intake manifold is leaking, or if a leak is coming from somewhere else, inspect more closely. Back in the days when most engines had cast iron blocks, heads and manifolds, the intake manifold could be easily sealed with simple and relatively inexpensive die. When the coolant leaks, it can cause chaos in the engine, for instance, getting your car's battery messed up. Thats why I ask if it will do it all the time or just when it's up to temp. Chevrolet Performance offers durabilty and value in each set made. 7 Vortec, you will normally have an external engine oil/coolant leak, and or mysterious coolant loss with no external leak, which. Took the intake manifold off / back on. Knowing what is causing the coolant to leak from your exhaust manifold can help save you time and money. Vacuum nipple. Seems the thick silicone/RTV bead may be failing. i tighten them back up and now i have notice coolant in one of my cylinders. Intake manifold gaskets on many general engine models are made from plastic, and typically fail between 50,000 and 80,000 miles. Leading me to believe that it is my intake manifold gasket going bad. Also, the intake manifold conveys coolant and vacuum via the system. APDTY 726289 Intake Manifold Assembly w/Gaskets & Upgraded Heavy Duty Aluminum Coolant Crossover Fits 96-1997 Mercury Cougar 4. There's a second way in which intake manifolds can leak. Symptoms of Intake Manifold Gasket Leak 1. 740", rod length is 5. This is a 305 engine, which, at least from my research, seems to leak less from the intake manifold gasket than the 350. Joined: Mar 14, 2004 Messages: 65. Vortec specific intake manifold. April 3rd, 2012 at 3:30 pm. Yes coolant flows through intake on a 79 350. The coolant is coming from the coolant ports on the end of the heads. 2004 Chevrolet Trailblazer North Face 6 Cyl 4. One of the most common problems on the GM 3. Choose top quality brands AC Delco, DIY Solutions, Dorman, Replacement, SKP. The intake manifold gasket's failure allows all the coolant to leak into the intake manifold. The wide range of Chevrolet Performance intake manifolds means there is an ideal manifold for your many needs. Dec 02 2011, 1:44pm. Asked in Chevy 350. 410 results for chevy 350 exhaust manifold Save chevy 350 exhaust manifold to get e-mail alerts and updates on your eBay Feed. 3L coolant leak into engine. Intake manifold gaskets are responsible for sealing the intake manifold against the cylinder head(s). of torque over the Edelbrock Performer manifold #2101 on a 350 Chevy. Although GM has been aware of this problem 'since man learned to walk upright and harnessed the power of fire', they haven't done much to correct it. 480" stroke is 1. The suspect leak areas are the intake manifold, water pump and the heater. Common problems with intake manifolds include vacuum, coolant or oil leaks, reduced flow due to carbon build-up and issues with the intake tuning valves. The intake manifold gasket seals the intake manifold to the cylinder heads. Valley Plate seals. Chevrolet Express 1500 Intake Manifold Gaskets May Leak Coolant or Engine Oil - 40 reports. There are a couple of different answers based on the vehicle. Search Fixya but if I want to drive it more than a few hours away I'd like to fix it. 65; The car is under an extended warranty, so that's the only reason why I am hesitant to try to tackle this myself. In some cars, there are intake manifold gaskets which also serve as a seal for the coolant of the engine. I noticed a vacuum leak on the hose that goes from the valve cover to the intake manifold. 3L 2004 - 2005 Chevrolet Express 2500 LS 8 Cyl 5. If there is even a small crack in the gasket, coolant fluid can seep through quite easily. Coolant leaks. intake manifold. The 1999 Chevrolet Tahoe has 6 problems reported for intake gasket failure. The coolant passages are on all four corners of the manifold where it meets the cylinder heads. L/305 Chevrolet/GMC Express Savana Vans. Is there a way to confirm this without opening up the engine?. A quick oil change and coolant flush got it ready to run. 96000 mi US $450: Difficulty starting and power loss while driving. Truck was loosing coolant and it looks like there is an external leak on the front of the intake manifold, but one of the plugs is colored red and I think it is leaking internally also. 7 miles:150,056 I noticed my heater wasnt blowing hot so I new I had a water leak I checked all of the hoses and they werent leakin so I was looking under the hood and in the middle of the manifold and the valve cover I seen water coming out and I was wondering if it was a intake manifold gasket or what?. Pieces of the intake gasket not even covering the intake. 1AEIM00008-Chevy Buick Pontiac Olds Upper Intake Manifold. It is very possible that you have a blown/leaking head gasket. Location: Main Index » Forum Index » Trucks-Vans-SUV » 88-98 Fullsize Trucks, Vans, Suburbans, Blazers, Tahoes » Intake Manifold water leak? 88/350 SOLVED FusionBB™ Version 2. Contains (10) side gaskets only (no. Depending on how long it has been leaking, the alluminum intake manifold may have some damage. A intake gasket problem usually leaks worse when engine is runing. 09 IN Ports. Vortec specific intake manifold. But before you waste your time and gas only to. Any number of things have been blamed, from Dexcool coolant to defective gaskets. 5 Engine - Chevrolet's 3. Rebuilt in about 1980, by a competent professional mechanic. The '95 and later chevrolet 3. Install the manifold and the gaskets and seals. James, my last car was a 1985 Chevy Wagon w/305 w/electic Q-jet. Components of the Chevy 350 engine are no less in availability to meet its ever high demand. Over time, the loss of coolant will reduce. com If you E-Mail please leave a phone number or two with your E. The intake manifold gasket keeps the coolant sealed inside the engine too. From 3000 to 4500 rpm, the power increases averaged 5+ ft-lbs.