Question about 1999 Chevrolet Venture

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I have coolant on my oil dipstick is it intake or head gaskets

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I would suspect a blown head gasket. STOP driving the vehicle immediately or serious engine damage will occur. Drain the oil and change the filter. The head itself may also be cracked. A compression test will determine if the head gasket is blown or the head is cracked. Take it to a trusted mechanic for diagnosis and repair if he is close by. If not have it towed in for repair.

Posted on Nov 16, 2009

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I HAVE THIS 2005 CHRYSLER PACIFIC HAD TRANSMISSION FLUSH AFTER DRIVING IT ..IT OVERHEAT NOW WHITE MILKY SUBSTANCE IN COOLANT RESAVOIR WHY ??


You need to check the oil and see if the dipstick shows overfill on oil or if you see the white milky substance on the dipstick you may have a blown intake gasket or head gaskets. I would think it sounds like a blown head gasket. Hope this helps.
If you are adding water to the system you have a problem somewhere you might want to run a compression check on the cylinders to see if you have a intake gasket leak or a head leak. How hot did the car get because you might have cracked a head. If you don't see the water in the oil it may be exhausting out the tail pipe.

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Head gasket or freeze plugs I'm at a lost


It's your freeze plug, If it was a head gasket you won't see it pouring instead coolant will going inside the engine mix with oil check the oil dipstick if it is pure oil not a head gasket problem, if it is mix with oil its overfull and color is white and car would smoke white running.

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Water leaks out completely not from any hoses back toward tranny


Could be a blown head gasket. Check your oil dipstick. Is the oil consistent or does it have water in it? I would check that first. I believe it would also be blowing some white smoke as well.

Oct 03, 2013 | 1994 Chevrolet Astro

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Milky oil dipstick, white exhaust smoke, coolant in spark plugs


*White milky oil on dipstick = coolant in oil.
*Coolant on sparkplugs = cracked head or blown head gasket
*White smoke = burning excessive oil in the cylinders, which can be caused by a number of things including valve seals, cracked head or blown head gasket.
***All three of these symptoms together, however, means its the head or head gasket. Both are costly but better the head gasket than the entire head.

Jan 18, 2012 | 2002 Buick LeSabre

1 Answer

Lossing antifreeze but no puddles we think its the antifreeze intake gasget?


if no puddles or no keaks you can see, then its probably your head gaskets, or the intake gaskets leaking. look all around intake to see if you see any leaks. if you do its your intake gaskets. how does the coolant look! on my car when the intake gasket was leaking, it made the coolant look milky and a chocolate type mixture. so check it out first, the intake gasket. Coolant may flow through the gasket to the inside of the engine and mix with the oil. Pull the oil dipstick out and look at it. Oil mixed with coolant will have a thick consistency. Examine the oil filter cap for any rusty-looking residue. good-luck.

Feb 14, 2011 | 2000 Pontiac Grand Am GT

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1994 subburban.5.3Lthink maybe got a bad intake gasket


these engines are known for intake gasket leaks and head gasket leaks.

Do a search on dextron gm coolant ( the orange looking stufff)

This coolant is very corrosive and GM has had lots of complaints.

Best bet is to go have yout truck inspected.

Feb 10, 2010 | 1999 GMC Suburban

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Coolant puddled on intake manifold ,but not coming from thermostat housing ? what else is up there besides intake gaskets ?


could be spray from a radiator or heater hose, or even a radiator leak spraying back. could also be a leaky gasket, cracked head or intake. check the oil for coolant (beading on the dipstick) look for white smoke. check the coolant bottle for oil. good luck and I hope this helps

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1 Answer

No visible coolant leak on a 98 Buick park ave , looseing coolant


A common problem on the 4.9 , 3.8 , and 3.4
is intake manifold gasket failure GM has not recalled
this problem , look for oil and anti freeze marks on side of the block . Or the oil dipstick for milky
residue . Sometimes an engine light will be triggered also . You can also have the emmissions test to detect High levels of Hydro Carbons . From the coolant cap location this will tell you if its a internal problem like head gasket
or intake .

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2 Answers

Oil in over coolant tank


If there is oil inside the coolant liquid that is the head gasket.

Check first if oil can leak into the coolant tank from the cap.

Usually when you get oil into the coolant liquid you have an head gasket problem, do a compression test, or buy the home tester below.

eBay.co.uk Guides - HOW TO TEST FOR A FAILED HEAD GASKET
Head Gasket or Combustion Leak Test Procedure (Gasoline Engines Only)
Blown Head Gasket? how to check

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