Home > Technical (L405) > Tinny vibration at 1900 rpm - 2020 L405 |
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stan Site Moderator Member Since: 13 Jul 2010 Location: a moderate moderated moderator moderating moderately in moderation Posts: 35217 |
normally and hopefully its just an exhaust heatshield rattling.. ... - .- -.
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9th Jun 2023 2:18pm |
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MarianaWestminster Member Since: 14 Jun 2018 Location: UK Posts: 632 |
As Stan says it's usually a metal heatshield mounting bracket underneath the gearbox that gives a tinny rattle.
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9th Jun 2023 4:59pm |
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Seatown Member Since: 30 Oct 2020 Location: Mountains, seaside Posts: 90 |
A 2016 model may well be different but my 2013 car also has a bash plate under the gearbox. The heatshield and its mounting bracket is above that. I had to remove the plate when I investigated/fixed the fractured gearbox heatshield so I wouldn't rule out your car having one. |
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10th Jun 2023 9:04am |
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knwatkins Member Since: 11 Sep 2020 Location: Poole, Dorset Posts: 761 |
I had a virbration with the gearbox heatshield (above the bash plate). Nothing was visibly bent so I used some self-adhesive velcro (the fluffy bit) to line the underside of the bracket and isolate the metal to metal interface between the bracket and heatsheild. It is now silent. Kev
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11th Jun 2023 8:57am |
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Seatown Member Since: 30 Oct 2020 Location: Mountains, seaside Posts: 90 |
Kev, I did exactly the same with mine but unfortunately it didn't cure the noise/vibration. I removed the heatshield again, cleaned it up and discovered a crack round one of the bolt holes. So a new heat shield required.
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11th Jun 2023 9:33am |
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MAE Member Since: 12 May 2023 Location: Shrewsbury Posts: 27 |
Update
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11th Oct 2023 6:54pm |
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fisha Member Since: 25 Sep 2009 Location: Scotland Posts: 1338 |
Bit of a thread resurrection, but added to help others who find the thread. my rattle has come from the black cross bracket that cradles the gearbox and to which the smaller heatshield attaches to … I’m seeing if a pal can reweld it. It’s one heck of a split though … not something I would expect to happen.
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9th May 2024 8:16pm |
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pierre_l Member Since: 06 Oct 2022 Location: Geneva Posts: 6 |
Same here
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24th May 2024 5:13am |
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jensputzier Member Since: 18 Aug 2024 Location: Leichlingen Posts: 1 |
I have the same snaring or tinny sound at 1500-2000 rpm, sometimes louder, sometimes less. Mostly when accelerating or decelerating.
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18th Aug 2024 6:06pm |
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fisha Member Since: 25 Sep 2009 Location: Scotland Posts: 1338 |
You couldn’t see the crack on mine until you had the heat shield off and were taking the frame off. For me, it was a case of just pulling and pushing at parts as I disassembled the underside shields till I found the problem.
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19th Aug 2024 7:35am |
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Gremlin500 Member Since: 11 Mar 2022 Location: Newcastle, UK Posts: 1362 |
:!:
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19th Aug 2024 10:46am |
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