Question about 2006 Chevrolet Cobalt

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06 cabalt 2.2 ecotec! moisture of sorts found in oil! on oil cap and bottom of dipstick! has any heard of cylinder head issues or block issues with this platform?

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Is the coolant level OK? losing any coolant? what kind of driving do you do? cold weather? short trips? engine not getting warmed up? how long does it take to drive to work? it could be normal, be sure to use a good oil, I would use MOBIL1 or Kendall Synthetic oil.

Posted on Dec 17, 2010


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Not cooling,has new impeller and thermostate

Steve, there's many causes of overheating. You say you have a new water pump and thermostat, so it's obviously not those at fault.

Just a question ... you say your car is not cooling, but is it actually overheating? A faulty temperature sender unit (it screws into the engine block, usually..) can give an incorrect reading on your gauge.

If it is overheating - steam/you can feel the excess heat - is your radiator fan kicking in? Is your car overheating as soon as you drive it? Or overheating when stuck in traffic .. and the fan isn't kicking in..?

Other things that cause overheating which spring to mind include a blocked radiator and/or a collapsed radiator hose.

Hot coolant enters your radiator via the TOP hose and cools as it goes down the radiator, then back into the engine via the bottom hose. Check both top and bottom hose after the engine has warmed - sometimes a hose can become 'flat' and blocked.

Another thing that causes overheating is a burnt head gasket/cylinder head problem.

Switch the engine on and look at your coolant bottle - a continuous 'bubbling' indicates that exhaust gases are finding their way (via a burnt head gasket) into the cooling system.

Any oil in the coolant bottle also indicates cylinder head problems. Also check the oil dipstick. If coolant (because of a defective head gasket/head) has found its way into the oil system the oil on your dipstick may appear a creamy/greyish sludge.

May 21, 2016 | Cars & Trucks

1 Answer

I have a 2006 Saturn ion 2.2L ecotec engine, there is a gulky substance on my oil dipstick, I had the oil changed and there wasn't anything in it only on the dipstick. What's going on?

I am not sure what gulky means; however, I feel that it is not in the intended design of this engine. There are a few explanations for this, but suffice it to say, your engine is not long for this world.

It may be in your best interest to have the oil pan removed and have the gulky substance analyzed. If glycol (ethylene, or propylene) is found, a leaking head gasket/head/block is afoot.

If plain water is found, suspect you need more friends, or at least friends who live farther away so you can drive long enough to warm up the oil to greater than 212 degrees to boil off any moisture.

If none of the above is found, you need a better life coach who can help you organize your life and make sure you change your oil more regularly.

Feb 16, 2015 | Saturn Cars & Trucks

1 Answer

Small amount of milk in oil

To check whether the coolant is entering into the engine oil or not, do the following.
- Park the car on a level floor.
- Check engine oil level on the dip stick and mark it with nail polish. Let it dry. Confirm the oil level. Put the dip stick back.
- Apply about 10 psi external pressure to the coolant system, while keeping caps in place.
NOTE: It is advised to use the coolant system tester. In case the tester is not available, ask any technician to do it for you. Or you can use a bicycle pump with gauge installed on it to pressure the system up to 10 psi. The system should held the pressure up to 30 Seconds.
- If the pressure is maintained for 30 Seconds every thing is good at this time. Ensure that the air is not leaking through your external pump system with which you are testing the system.
If the pressure drops, there will be a leakage some where. Either external or internal. External leakage can easily be observed while carefully examining the hose pipes, clips and joints on the engine.
Internal leakage can be determined by checking the engine oil level again.
- Take out the dip stick and inspect the oil level. If the engine oil level increases it confirm the internal leakage.
- Internal coolant leakage could be due to:-
1. Cylinder head bolts loose or under torqued. (Re-Torque the bolts).
2. Burnt cylinder head gasket. (Always use original spares).
3. Cylinder and head surfaces warped. (Surface grind the cylinder head on surface grinding machine and replace the gasket).
4. Any corroded lid in the cylinder block or cylinder head assembly.
5. Oil cooler, if any.
If the test report of above mentioned procedure is found to be OK, start the engine, pull up dip stick a little, open breather tube from the tappet cover, keep it open and keep the engine start for as long as the water vapors coming out of these points disappear and the engine oil will become clear to its original color.
At times it happens that immediately after replacing the cylinder head gasket some coolant may flow into the engine unavoidably and keep contaminating the engine oil for quite some time.
Hope that works.
Thank you for visiting Fixya.

Mar 03, 2014 | Chevrolet Cobalt Cars & Trucks

1 Answer

Yes my 06 Nissan altma shows a code # p0303 , the#3 cylinder misfire I changed out the plugs and coil pack on the #3 cylinder the #3 cylinder is wet maybe from water not gas or oil but there is no water on...

Likely a head gasket problem, between the water jacket and the one cylinder. Look for bubbles in the radiator with the radiator cap off before it heats up. Or run compression check on that cylinder. See if it holds the pressure after you stop turning over the engine.

Dec 21, 2017 | 2006 Nissan Altima

6 Answers

Water getting into oil

If its just condensation in the oil cap or dipstick, to some degree its normal. However if you have water in the oil and its very creamy in texture, its probably a head gasket leak, or cracked head. Its important to get it repaired soon, or total engine bearing failure will result.

Jan 29, 2011 | 2001 Daewoo Leganza

1 Answer

Water is going somewhere on a 99 gr prix 3.1 no leaks but white gunk under oil cap. No smoke or oil in water. but i think their is water in oil. is that a head gasket problem?

If there is water in the oil, yes it most likely a head gasket/cracked head/block problem. Check the oil level on the dipstick. Is the oil level indicated too high? Drain the oil completely into a clear container and let it set overnight and see if water separates out from the oil. The white gunk is a sign of moisture in the crankcase. Short driving trips may cause this also as the motor doesn't get warm enough to evaporate the normal moisture out of the oil.

Jan 22, 2011 | 1999 Pontiac Grand Prix

1 Answer

A little white on engine oil dipstick

That is a very bad sign. Is there any on the bottom of your oil cap? If there is or even if there isn't, white in the oil only means one thing. You have moisture in your oil. Have you had the oil pan off overnight recently? That sometimes lets moisture set up in the engine. If you havent had your engine open to let moisture in recently, then you have a cracked head. Hate to say it but there is no other explanation.

Nov 20, 2010 | 2003 Saturn VUE

2 Answers

My oil pressure keeps going down and i keep having to add antifreeze

If you have antifreeze getting into your oil, it will destroy the engine. Have the coolant system pressure tested to see where it's leaking too.
If the oil is getting milky, it's a sign that it has antifreeze in it.

Dec 17, 2009 | 2004 GMC Yukon

2 Answers

Where is the oil filter for a 2005 chevy cavalier located

ECOTec 2.4 Liter engine (and all ECOTec engine blocks in 4 cylinder sizes) have a cartridge type oil filter housing on the front of the block, driver's side of the vehicle.

The cap must be removed with a wrench, and the filter pulled out, then the new one put in. Now is usually a good time to replace the O-ring on the cap.

Dec 13, 2009 | 2005 Chevrolet Cavalier

1 Answer

Oil cap

Yes this is a potential problem,

1.) moisture from not changing your oil often or car was sitting.
2.) Head gasket is blown causing coolant to blow through into oil.

When you pull dip stick is there white creamy substance on the dipstick

Jan 14, 2009 | 2003 Toyota Sequoia

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