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calvinray
calvinray 1/20/2013
2004 Pontiac Grand Am GT 6Cyl3.4L - Engine
Why does my car keep overheating?
I have changed the thermostat, water pump, and even the overflow jug, yesterday I ha trouble getting it to start. Yesterday as well a lot of white smoke was coming from my exhaust pipe as well.
2 Answers
  • Jimm
    Jimm 1/20/2013
    The white smoke out of the exhuast is usually an indication of a leaking / faulty cylinder head gasket - that is the engine is leaking coolant directly into the combustion chamber.
    To check and confirm this - have an inexpensive compression test performed to check the cylinder sealing integrity.
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  • Sarah Spark
    Sarah Spark 1/30/2013
    Your exhaust system seems to have an issue, the heating and the white smoke. You need to have it checked, There could be a leaking of gases, leading to incomplete combustion hence the white smoke. Consider repair or replacing the exhaust system. There are some fair deals for exhaust systems online like http://4wheelonline.com/jeep/Jeep_Exhaust.48283
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