Question about 2002 Buick Century

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Head gasket? I have antifreeze coming out of my rear valve cover. thare is lot's of smoke that smells like antifreeze&oil. but thare is no signs of antifreeze in the oil. I need to know what this means

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Definately a head job !!

Posted on Nov 21, 2008

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Geo metro troubleshooting


First stepwould typically be to replace the PCV valve. It's located behind the valve cover at the bottom of the rubber tube that connects to the back of the valve cover and branches off to the air filter housing.

Alternate possibility:

If the head gasket has been replaced, it's likely one of the oil returns is blocked (replacement head gaskets, for whatever reason, don't usually align with the head correctly). The solution is to open the secondary oil return. I used a one foot piece of 4 gauge bare copper wire (more of a 1/4" copper rod). Remove the valve cover. Taper the end of the copper wire to a blunt point and drive it about 6 inches down the oil return on the backside of the head near the rear of the head (directly behind where the oil filler cap was).

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White SWEET smelling smoke, or white OILY smelling smoke? If it's white thick SWEET smelling smoke, you have a blown head gasket - that's the smell of antifreeze burning in the engine, which it should NEVER do. If it's white OILY smelling smoke (smells a lot like diesel), then you're getting too much fuel into the cylinders.

If it's sweet-smelling smoke (antifreeze), pull the oil dipstick & check the oil level. If the oil level is HIGH and the oil looks like a mocha milkshake, that's absolutely conclusive - that's what happens when antifreeze gets into your oil, and it's nasty corrosive to engine parts.

I'm not at all surprised that the oil light is on if it won't start - you won't get much oil pressure until the engine is running.

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White smoke is usually an indication of burning antifreeze and burning oil would have a more bluish tint to it and smell like burning oil. If it's a 2012, isn't it still covered by the KIA warranty though??

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I currently own a 1989 Mighty Max I got from an auction. It has the 2.6 engine in it, with a brand new oil change and spark plug replacement. Unfortunately, it seems to be acting as a smoke machine. The...


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My car is not runing hot but however i do have smoke that is coming from under my hood.


this could just be oil leaking out off value cover and burning off exhaust can u smell the smoke? does it smell like antifreeze ?? if smells like antifreeze more than likely have a coolant leak if has little smell or burning oil smell probably an oil leak

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The bolts that hold on the valve covers may be loose, causing it to leak a little and burning oil. It happened to me once before. I tightened them up and no more problems. It may also possibly be that the valve cover gasket needs replacing

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Hello chris first thing you need to do is while the car is running go to the rear of your car have somone increase the gas pedal to get it to smoke now smell the smoke does it smell like antifreeze if it does most likely headgasket going wich means your head needs to be pulled to change the gasket if it smells like oil possible valve seals clogged oil returns this is all serviced under your valve cover if car is turbo turbo seal internal most likely ruptured and is letting oil get into the exhaust port side have your turbo checked if there is wettness around the housing areallook for exsesive oil leaking externally goodluck please rate

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