![]() | Home > Technical (L322) > Reverb buzz vibration sound. |
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Discotigger Member Since: 12 Feb 2013 Location: Cumbria Posts: 804 ![]() ![]() ![]() |
Strange, I've recently started to get a similar noise after a full service and some work on the brake lines. I get a vibration noise at low revs when under slight load, sounds a little bit like a vibration (buzzing sound) through a plastic drainpipe (if that makes any sense) which seems to be getting a bit louder and more frequent. No noises at all if I put my foot down a bit, but appears under gentle load or when slowing down in slow moving town traffic. I'm thinking either a loose heat shield or something (like a pipe) not secured properly. I've had a quick look under the fattie but can't see anything obvious, may take her backtothe garage and get them to have a look.
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cass Member Since: 12 Oct 2011 Location: northumberland Posts: 760 ![]() ![]() |
I'd bet on the heat shields, I've just done the brakepipes on my 2011 and while I was under there I found that practically every shield had corroded through some of or in one case allof the fastener holes.
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nicksaab Member Since: 28 May 2013 Location: Wimbledon and West Wales Posts: 560 ![]() ![]() |
Yep usually the heatshield above the prop shaft near the front. Current Fleet:-
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Gr4h4m Member Since: 08 Oct 2020 Location: Chester Posts: 88 ![]() ![]() ![]() |
Thanks all time to get dirty under the car at the weekend. What do people generally do to them? Remove or replace |
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Discotigger Member Since: 12 Feb 2013 Location: Cumbria Posts: 804 ![]() ![]() ![]() |
You will need to refit the heatshield with new Heatshield nuts.
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cass Member Since: 12 Oct 2011 Location: northumberland Posts: 760 ![]() ![]() |
The "correct" answer is to refit them - large washers and new nuts generally does the trick however I've got a 3.6 which has had most of the shields removed several years ago and it suffers no ill effect but it hasn't got a DPF generating very high temperatures. There are some that I wouldn't dream of removing due to the routing of the exhaust/DPF but others look a bit OTT. So I suppose the short (and not very helpful) answer is "It depends" |
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