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thanks for the info, the pinging has no pattern nm (archive)

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Posted by djpopsikl on October 07, 2000 at 19:58:49:

In Reply to: Re: Please be more specific on the noise.... posted by eurospeed on October 07, 2000 at 19:28:57:

Provided your engine is not dieseling (continuing to fire after the ignition is off) your problem is most likely the expansion/contraction of your exhaust system. The noise you are hearing is caused by the pipes, metal joints and heat shields cooling off and shrinking. Different metals expand/shrink at different rates, so if you have dissimilar metals rubbing against each other, you will hear noise. The sound is a metallic ticking with no obvious pattern right? If so, it's completely normal.

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