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850R Right Rear Tire Brake Squeal at Low Speeds

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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wackenhut
Posts: 212
Joined: 7 July 2015
Year and Model: 850R 1996
Location: FLORIDA

850R Right Rear Tire Brake Squeal at Low Speeds

Post by wackenhut »

Has anyone had this issue?

The rotors and brake pads are new and volvo brand. I notice the issue mostly braking at low speeds < 10mph but occasionally at around 35mph.

Anyone know of a fix?

Thank you.

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misha
Posts: 5379
Joined: 7 December 2008
Year and Model: '97 850 2.5 20v
Location: Serbia
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Post by misha »

Did you re-installed brake shims when you performed brake job?
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS

cn90
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Year and Model: 2004 V70 2.5T
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Post by cn90 »

Brake shim is usually not the issue.

There are 2 issues that I have had to deal with over the years:

1. Brand: use the brand suggested by Ozark Lee (? Mintex).

2. Anti-squeal compound. I used this and it works for about a year, then it is squeaky at low speed braking.
So every year I have to re-apply the anti-squeal compound.
2004 V70 2.5T 100K+
2005 XC90 2.5T 110K+

Ozark Lee
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Post by Ozark Lee »

I use half shims and gobs of Sil Glyde brake grease on the back of the pads and both sides of the shims. That usually shuts them up.

...Lee
'94 850 N/A 5 speed
'96 Platinum Edition Turbo
Previous:
1999 V70XC - Nautic Blue - Totaled while parked.
1999 V70XC - RIP - Wrecked Parts Car.
1998 S70 T5
1996 850 N/A
1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe

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