Rattling sound @2000rpm (3SGE)
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Many subjects will have been discussed before. Please try the search function before starting a new thread.
Check in the Know Your 2 as the information you need may already be there.
Important ! - Please make your topic title as descriptive as possible . titles with just "help" generally dont get as many answers as a title that points to the problem
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Topic author - Posts: 36
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Rattling sound @2000rpm (3SGE)
My newest trophy (a banana-yellow rev2, 1993) has a very distinct rattle -starts abruptly at around 2000RPM and disappears promptly at higher revs. Coming from the engine bay. Stationary, driving, cold/hot, clutch in/out, etc, all the same. I've checked the heat shields to see if any were loose or worn, all seems fine, same for any other obvious parts which could work loose. It appears to emerge from near the air intake, but I can't pinpoint it exactly. No loss of power, drives smoothly.
Anyone any suggestions?
Thanks, Andrew
Anyone any suggestions?
Thanks, Andrew
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Re: Rattling sound @2000rpm (3SGE)
My guess would be heat shield or exhuast, I used to get a similar thing on my MK1, eventually traced to the exhaust manifold heat shield
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Re: Rattling sound @2000rpm (3SGE)
MK2 3sge Uk sold.
MK3 Chilli red sold.
MK2 Smg Gltd Super Edition now with V6
MK3 Chilli red sold.
MK2 Smg Gltd Super Edition now with V6
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Topic author - Posts: 36
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Re: Rattling sound @2000rpm (3SGE)
I checked all the heat shields (managed to avoid burning my fingers groping around under the heat shields ), but apart from finding a few grotty bolts nothing causes a rattle
I've read that the noise could come from the butterfly valves in the air inlet or even cam belt tensioners?
I've read that the noise could come from the butterfly valves in the air inlet or even cam belt tensioners?
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Re: Rattling sound @2000rpm (3SGE)
Never heard of the TVIS/ACIS or Throttle butterflies causing a rattle at a fixed rpm on an MR2 or the cam belt tensioner for that matter. With mine the only way I found the rattle was by taking the heat shields off.
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Topic author - Posts: 36
- Joined: 17/06/18 17:04
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- Real Name: Andrew den Bakker
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Re: Rattling sound @2000rpm (3SGE)
Problem solved Indeed a heat shield , but the small unit under the intake manifold. I spent a lot of time looking at the exhaust heat shields until a friend pinpointed the culprit within 5 minutes looking&listening .
Thanks for your suggestions!
Thanks for your suggestions!
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Re: Rattling sound @2000rpm (3SGE)
excellent, glad you found it and it's an easy fix. That kind of rattle can be very annoying