Question about 1998 Chevrolet Monte Carlo

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1998 chevy monte carlo ls 3.1 l , 6 cyl

Two problems first one it's making a loud knocking noise like some metals is hitting each other it just started 2day and a white cloud of smoke comes from the tailpipe what to do

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  • Anonymous May 18, 2009

    I'm having the same sound but when i took it to the shop they said it was a broken rod and the engine is done with.

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That white cloud is caused by a blown head gasket, the knocking noise could be, a rod bearing, thrust bearing, somewhere in the valve train. Replace the head gasket and see if it still knocks, and change the oil and filter too. If it still knocks, than you have bigger problems.

Posted on Jan 31, 2009

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