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The exhaust heat shield on my mazda 2 has come loose . Is it a simple job to replace?

The fixing holes seem to have coroded which has made it drop on to the exhaust

Posted by Anonymous on

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Posted on Jan 02, 2017

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SOURCE: 03 Mountaineer AWD Premier V8 rattling noise under vehicle

If its the heat shield against the underside.its install with fender style aluminum rivets( if you do it be very careful not to drill into a harness) If its the heat shield around the CAT then you should replace the cat. You can try to repair it with a pair of long hose clamps but I don't advise removing it. In the wrong environment the heat could cause a grass fire. or ignite trash that may get caught or blown underneath. Good luck.

Posted on Apr 28, 2009

  • 5 Answers

SOURCE: 2002 MAZDA PROTEGE5 2.0L (manual transmission)

had the same on my girlfriends car. there is a tiny heatshild on the topside above the catalyic converter and there is also a small one on the seperate exhaust pipe (same pipe, but bolted on the headers and to before the cat) where is bends to connect to the headers to the back of the car.

Posted on May 28, 2009

  • 153 Answers

SOURCE: underbody rattle/buzz during hard acceleration.

theres a service bulliton that replaces the piece of flex pipe on the exhaust. also i have seen rocks get in the cat converter heat shield and do the same thing

Posted on Oct 01, 2009

  • 1 Answer

SOURCE: Accelarating from 25 to 40 MPH - a "rattle" in exhaust system

Had my y-pipe replaced (bad cats) and the bolts at the y-pipe flange where it attaches to the exhaust manifolds started to get loose and I go tthe viberating (tinning) noise. Took it in the first time and they tightened everything up but it seems it's doing it again so I'm going to try to fix on my own. Just wondering how much of a pain it's going to be to get to the bolts and what size...

Posted on Dec 04, 2009

  • 2317 Answers

SOURCE: loose heat shield

Most likely it's a heat sheild on the converter, maybe the muffler. 1 on top and 1 on the bottom. The heat sheild is welded to the converter, over time they rust away, around the welds. You can use a large diameter worm gear clamp to keep the heat sheild from rattling. The sheilds are in place so if you drive over grass, the heat from the converter won't ignite the grass.

Posted on Mar 14, 2010

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