Chris Wiltshire Posted April 16, 2015 Share Posted April 16, 2015 Hello! I've got a rattle that's only really noticeable under acceleration, it a metal rattle as if something is loose in the cats but it doesn't rattle at idle etc only under acceleration. Any ideas what this could be? Recently fitted a motordyne dx2 and all v bands are tight. Cheers Quote Link to comment Share on other sites More sharing options...
GIXXERUK Posted April 16, 2015 Share Posted April 16, 2015 Heat shields Quote Link to comment Share on other sites More sharing options...
Chris Wiltshire Posted April 16, 2015 Author Share Posted April 16, 2015 The rear one would rattle a little but I bent it away but this other rattle seems to be coming from the front, is there a heat shield on the front ? Quote Link to comment Share on other sites More sharing options...
Zeezeebaba Posted April 17, 2015 Share Posted April 17, 2015 I've just replaced my cats but they only rattled on idle. Both were shot.I also found the rear heat shield loose but a washer sorted that out. Quote Link to comment Share on other sites More sharing options...
JEMAN Posted April 17, 2015 Share Posted April 17, 2015 I've got the same problem with my Z........sounded like the engine pinking......which I hope isn't the case, so I really hope it's something to do with the cats or loose bracket. It only does it when the cars warmed up and under load/ accelerating. If you get to the bottom of it before my.....please let me know what it is 1 Quote Link to comment Share on other sites More sharing options...
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