Question about 2002 Chevrolet TrailBlazer

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I want to change a head gasket for 2002 Chevrolet Trailblazer but i dont know how

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  • Kevin Rahme May 11, 2010

    Hi I have been a GM auto tech for 25 years trust me you don't want to even try and do a head gasket on your trailblazer

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Ok get ready for a real headache. To change that head gasket you will have to have a lift, some special tools and about 20 hours( for a trained mechanic). It involves removing the rack and pinion steering, oil pan, all of the parts off of the front of the engine, and timing cover. Then the fun begins. That engine has no timing marks on the outside of the engine. You will have to pull the exaust, and intake manifolds, valve cover and coils. Roll the motor by hand till you get all the timing marks lined up han then you can remove the head. If you are not a trained mechanic, you are really getting a tough one to start on. You will need a manuel on all the specs, Good Luck

Posted on May 13, 2009

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