Thread: S40 (New) Brakes : - Incessant rattling!
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Old Sep 9th, 2019, 16:51   #4
RollingThunder
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Last Online: Apr 19th, 2024 09:16
Join Date: Dec 2004
Location: South Yorkshire
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Quote:
Originally Posted by T5R92011 View Post
Could be rear shock mounts.
Thanks T5R92011. I did check these for any play and they seemed fine.

Quote:
Originally Posted by iainmd View Post
Almost guaranteed to be the brake pads rattling in the caliper. I have had this problem myself. Early S40/V50 rear pads had a spring on the inner pad that clipped over a groove in the piston to stop the rattling. Later pads had a rubbery shim pad between the caliper and the piston on the inner pad instead.

I fitted a set of EBC pads that had neither and they rattled almost constantly and clanked when I went over speed humps. I tried copperslipping them to death with no joy and after consulting my trusted local garage they were replaced with Volvo OEM (ATE) pads. Result... rattle gone. I never used anything other than Volvo OEM pads on the rear again until I got rid of the car about 8yrs later.
Thanks iainmd. Sounds exactly like what is happening with my S40. Looks like I'll need a set of OEM pads - the ones fitted at the moment are Bosch.

Thanks to you both, very helpful as always
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