Thread: Rattling: if you've solved a rattle in your rear hatch come
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Old 10-31-2017, 04:46 PM   #18 (permalink)
littlejuanito
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Join Date: Jul 2014
Location: Sherman Oaks, CA
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Originally Posted by SG4247 View Post
There is a sheet metal heat shield above the rear muffler, that vibrates like crazy on my car with Akropovic CBE. I thought it was coming from the spare tire area, until I stripped the back of the rear interior out, and rode in the rear hatch area with the wife driving. The noise was coming up through the floor where the spare goes.

Then I climbed under the rear of the car, added extra bolts to the fog light bracket (didnt help), and then discovered the muffler heat shield was causing the noise. The heat shield only makes noise with aftermarket exhaust on my car.

Thinking about removing the heat shield now...
this is definitively the culprit to that metallic rattle that's heard when having an aftermarket exhaust. It comes and goes as the RPM's go up and down.
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