Questions & Answers for: replace head gasket 2002 gmc

Question about 2002 Envoy

4 Answers

...head-gasket. my envoy won't start. I have had it on the battery charger for almost and hour. I turn the key all the lights inside and out come on and dash lights up but nothing from the engine not ...

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...head gasket 9.timing chain or gears worn first check air filter then check timing with a light make sure its steady if it bounces around the your chain/belt is needing replaced check your wires for ...

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Question about 2002 Envoy XL

2 Answers

...replace the Fan Temp Sending Unit. Its usually a brass screw into the intake manifold switch with a few wires pluged into it. Buy the new one first to know what it looks like. This could be a couple ...

...head gasket causeing combustion gas to go into the cooling system. it will cause it to overheat only at low idle untill it gets real bad. make sure ur heater core is blowing out plenty of heat if not ...

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