Question about Chrysler LHS

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My 96 chrysler lhs has a knocking/rattleing sound coming from the bottom engine and as you push down on the gas the faster you drive the louder it rattles

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If the noise is coming from the bottom end of the motor then you have either bad connecting rod bearings or bad crank bearings.if when you snap the throttle you hear a double knock then its connecting rod bearing if not then its crank bearing.a collapsed piston can sound low in the engine and its usually a dull knock noise.if you have the engine running and the noise is there and you pull off one plug wire at a time(and reconnect it after checking) and the noise goes away or mostly goes away with the wire unhooked then the cylinder that the noise changed is the cylinder that has a bad piston.

Posted on May 25, 2011

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