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Thread: Exhaust heatshield

  1. #1
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    Default Exhaust heatshield

    Hi all,
    finally traced a rattling noise in the car today to the centre heatshield above the centre section of the exhaust. The aluminium plate has corroded through and fallen onto the exhaust. I tried to remove the nuts and ended up shearing the rear two studs off the subframe, great fun.
    Has anyone else had this problem and how did you fix it? I was thinking that the easiest method would be to drill and tap the subframe and make up some large aluminium washers to refit the heat shield. Ideas anyone?

    Regards

    Ian

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    Ex-Staff Full Member Ian T's Avatar
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    I had the same problem, but only 1 side. The problem is because of of the metal being so thin & not a very wide washer on the nut.
    What I did was wire brush the threads, spray some wd40 or similar on.
    Then move the nut a small amount either way until it moves easily.
    I only snapped 1 because I was too keen.
    What you need to do then is get some wider flat washers to sit over the worn part to hold it all in position.

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    Tried the wire brush and WD40 route. Even tried running a die nut up the threads but still snapped them. Looks like I wil have to cut down on the wheatabix for breakfast.

    Ian

  4. #4
    spoons
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    I've just cut mine out !!!

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    Regular Member denzo's Avatar
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    Default

    Glad you found your rattle ... i posted the heatshield as a cause for my annoying rattle a few months ago.

    Luckily my nuts were loose - I removed them and replaced with Stainless Steel Self Lockers with some nice washers.

    Hope you get yours sorted

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