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1847 Views 3 Replies 3 Participants Last post by  Testosterone
For the last several weeks I have been hearing a popping noise similar to when a rock flies up under the truck. It seems to be coming from the area near the catalytic converter, similar when the truck cools down you hear the "popping" noise. It seems to only do it for the first five minutes or so, like it is coming up to temperature.

Anyone experienced this??

Chris /ubbthreads/images/graemlins/shrug.gif
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I bet your heat sheild on the cat is buying the farm. I have removed most of my heat sheilds. So,at least look for the simple things first, then worrie about it if the noise is still being made.
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