Quote:
Originally Posted by nov74fj40
Great way to test to see if it's the heat shield on the c. converter - get under the LC and pound on the exhaust pipe around the converters (you might want to wait until it cools off...) keep doing this until (or if) you hear that annoying rattle. There are a few bolts that have a tendency to work loose or fall out on these shields...this just happened to 98 a couple of months ago.... my converter shield was missing a bolt so everytime my tranny shifted or there was a low rpm condition I would hear the rattle. Bolt installed, noise gone....
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yep happens only at low RPM - i'll check out the heat shield on the CAT