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What is a intake manifold gasket

My toyota is not leaking and not running hot as i was adding freon i saw oil or transmisson fluid in resorvoir what does that mean is car in big trouble

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Lets review what you said - - you were probably adding coolant since freon goes into the air cond unit.
If there is oil in the coolant tank, something is leaking to allow engine oil into the cooling system such as the intake or head gasket. If it is trans fluid it could be the trans cooler inside the radiator.

Posted on Dec 10, 2012

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Posted on Jan 02, 2017

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SOURCE: overheating

It could be your head gasket.

Posted on Feb 12, 2009

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SOURCE: Coolant leak on 2001 Taurus.Coolant seems to be

heaterhose is in that general area. most common leak is that spraying aroung so it looks like something worse

Posted on Mar 17, 2009

  • 8 Answers

SOURCE: lower intake manifold gasket leaking 02 Olds Silhouette

This is basicly a very time consuming job rather than a physically hard one to complete. In order to replace the gasket you must remove the intake plenum,throttle body, and misc. vacuum hoses. The wiring harness connections must also be disconnected. Finally the intake manifold is exposed. The bolts holding the manifold to the block are removed exposing the leaking gasket. After removing the push rods and placing them in the correct order to be replaced the gasket and sealants can be removed. Finally replace everything in reverse order. Be sure to consult a GM manual for correct bolt torch specs. The correct specs for the manifold bolts usually come with the gasket. Make sure to change your oil a few times after this job in case any coolant entered the block. Also,change the thermostat and the oil seal on the distributor half shaft cap while you have everything off. Good Luck

Posted on May 12, 2009

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SOURCE: water leak under the intake manifold,1995 toyota 4 runner

There is a heater core bypass pipe that runs from the block (under the manifold) to the bacl of theengine where you will see a flat rectangular "sheet metal" thing with a pipe coming out of it. The a rubber hose connects. You need to pull the top air plenums and intake to get to it. The p[ipe flange bolts to the block with silicone rtv as a sealant.

Posted on Nov 27, 2009

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SOURCE: 2002 chevy trailblazer with massive oil leak.

oil pan, or rear mainseal housings are common leaks on these... also if 4wd, diff runs thru oil pan..

Posted on Nov 29, 2009

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I've got a 2002 Buick LaSabre. Firewall looks melted..car gets hot on short run. I do have small leak brake fluid. Could that be the problem?.


That would not cause the engine to get overheated. It may be too late to save your engine, but check if you have coolant loss and brown sludge on the oil dipstick, or if under the oil fill cap there is a milky brown substance. This is evidence of coolant getting into the oil. This engine in LeSabres has a common problem of intake manifold gasket failure, leading to loss of coolant that winds up in the cylinders and into the oil. If not driven much or if the engine did not get too hot, the cylinder heads and head gaskets may not have been ruined, but if overheated badly, the engine may be a total loss.

The intake on the engine is two parts: an upper intake manifold that is plastic (and just waiting to fail-many owners have had to replace this) and an aluminum lower intake manifold. The gaskets under the lower manifold are the ones that develop leaks. Because GM used inferior factory gaskets (also made of plastic) as a cost-cutting measure. They took a very good engine, well known for durability, and shaved costs with inferior gasket material-go figure.

Dec 06, 2014 | Cars & Trucks

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What is the easies way to find where the antifreeze is leaking into the engine oil


it can be hard to find depending on engine some are prone to leak in certain areas. oil coolers,head gaskets, cracks, gaskets on a front cover or intake manifold. some times pulling oil pan adding florescent dye to coolant and pressurize system and watch for leak to show up some are only found after engine is torn apart and magnetic particle checked.because they only leak when hot.

Aug 04, 2012 | 2005 GMC Savana

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It turns over but it will not stay running unless foot is on gas padal. White smoke is coming from tail pipe


Hi,
White smoke usually indicates a blown manifold gasket or head gasket. First, check for coolant in oil. When you pull the dipstick, is the level too high or have a foamy appearance? If so, blown head gasket. If not, spray starting fluid around intake manifold outer mating surface with engine running. ( not near throttle body or air intake) If motor revs up during procedure, locate that area you are spraying and duplicate the motor rev up. If consistent, blown intake manifold gasket. Its always good to have codes checked first if you have a check engine light illuminated....Mike

Jun 24, 2011 | 2000 Toyota Corolla

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My car is running out of Anti-freeze rapidly,but there is no visible leak under the car or in the engine


You must have a intake manifold or head gasket problem, check to see if the oil level is high, if so it's most likely a intake gasket. Running a engine with this kind of problem won't last long.

Jan 18, 2011 | Chrysler LeBaron Cars & Trucks

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Getting engine oil in radiator


Make sure it is engine oil,and not transmission oil,If it does not run hot,and it is engine oil,the intake is most likely the problem.

Jun 06, 2010 | 2001 Chevrolet Malibu

1 Answer

This morning i saw little bubbles coming from the gasket of my exhaust manifold. what is this problem? Do i need to replace the exhaust/ intake manifold gaskets?


Exhaust manifold gets very hot...If any oil, coolant or moisture gets up there, it will boil before disappearing. If the vehicle is running well, I would not worry about it too much but would try to find whatever is getting on there and stop it from leaking. (very slight oil seepage is normal but you shouldn't have any excessive leaks of any kind)

Nov 03, 2009 | 1984 Jeep CJ7

3 Answers

Smoke comes from around engine


Probably a vavle cover gasket leak, small but enought to produce oil, in or on the surface of the motor doesnt take much to a lil smoke from aa hot engine...it could be collectiing in the canals ontop of the motor where the vlave covers sit on the head? or a head gasket problem....inspect it well after you run the car for a lil while, b4 it starts to smoke

May 18, 2009 | 1986 Oldsmobile Cutlass Supreme

1 Answer

80s cruiser L/H side of my engine it looks like diesel leaking


i am willing to bet it is coolant. over time you have to change your intake gaskets. because they will start to leak. now on the newer chevys this is very common to have to replace the intake gaskets every 60,000-100,000 miles. now if the cruser runs very good becides the leak i would definently replace the gasket and keep on driving the old girl. i hope this information was usefull to you and please rate my solution.
Thank you

Apr 21, 2009 | 1992 Toyota Land Cruiser

1 Answer

2003 Mercury Mountaineer with 4.6L is loosing coolant, no steam coming out of tail pipe or fluid leaking on the ground. The dealer thinks it intake manifold or head gasket. The hot oil light has come on...


dont know of any head gasket concerns, usually when the intake manifold leaks it either split and pours out or the heater hose fittings crack and leak. Check the hose connections at the intake and make sure none of the hose clamps have cracked and are leaking

Feb 19, 2009 | 2003 Mercury Mountaineer

1 Answer

Oil in the antifreze over flow tank


hi there is there alot of oil in the plastic overflow tank ? what color is it ? when did you notice it ? does the engine run good is it shakey ? take a peek at all ur spark plugs you want them all to look the same slight brownish color is normal. lots of white on the plugs means coolant is getting on them under heat and pressure they get clean too white this is usually a head gasket damaged and leaking a little coolant into cylinder burning and being exausted through the muffler and you might see a white smoke from tail pipe, saying that coolant would not be going in oil that way . if its automatic trans there is a transmisson oil cooler built into the rad now tranny fluid runs through the rad cooling transmission oil coild get from transmission into rad in turn, getting into plastic over flow container. is there coolant in the engine oil ? the oil level will be a little higher than normal if there has been coolant getting into motor ? theres also another way that ive seen coolant enter the oil through the intake manifold gasket its tough to decide ehere the leak is , does it run and idle smooth ?
after a long ride in the hot daytime sun after you turn off let it sit for 20 min then pop the hood and with gloves on swueeze the upper rad hose and check if theres pressure in it dont open cap as im shure you know. if there is a coolant leak depending on how bad it is you will notice that there will be very little or no pressure in you upper rad hose need to pressurize the coolant in order to cool engine correctly. well i hope i havent said to much at once , take a close look at all questions and write me the answers maybe we can pinpoint the problem for you
1 rad transmission cooler
2 real bad head gasket or cracked head
3 intake manifold gasket how does it run and idle
anyhow i hope i helped you a little until next time
bye good luck get back to me please

Jul 07, 2008 | 1992 Ford Explorer

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