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Cheap fix for annoying exhaust rattle

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Cheap fix for annoying exhaust rattle


This is most probably caused by your heat shields over the catalytic converters. They get rusty and the fixings cannot work properly. I was surprised how much the heat shields (£84 for two) and then the fixings cost (£30 for two sets) so I decided to try a DIY fix. So far this has worked perfectly!   You may find that the heat shields look like this:
  You may have some good holes/fixings left but some rusted holes and no fixings.   I used some aluminium sheet which I cut in a square then pushed into shape and then used "Fire putty" to hold in place and four "pop-rivets" so that is looks like this:     Just two things to watch: "pop-rivet" with the head inside and the long part on the outside and also have the "pop-rivets" well spaced (so that they do not interfere with the brackets on the catalytic converters).   Then drill a hole in the aluminium plate to match some new "U clips" which you fit on the existing brackets. Screw the covers back in place.     This fixed the rattle at virtually no cost just a bit of time!  

 

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