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Brake Pads that don't squeal

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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tom39
Posts: 129
Joined: 30 October 2008
Year and Model: 2011 S80
Location: USA Virginia
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Re: Brake Pads that don't squeel

Post by tom39 »

Guess what? :twisted: They %&^*&#@ SQUEEL. Back on the lift it goes. I hate this crap. :evil:
11 - S80 Silver 132k/mi

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tom39
Posts: 129
Joined: 30 October 2008
Year and Model: 2011 S80
Location: USA Virginia
Been thanked: 1 time

Post by tom39 »

FIXED IT!!!!!!!!! :lol: 8) :D

After my last post I visited the local NAPA. I picked up some Ceramic Extreme Brake Parts Lubricant. I coated any and all contact surfaces and pins with this stuff and you guess it. IT WORKED!! 8) :D
It has been 9 days and not a peep. If the squeel comes back I will let you know, but I am keeping my fingers crossed.
Thank You everyone for you help and suggestions.
11 - S80 Silver 132k/mi

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tom39
Posts: 129
Joined: 30 October 2008
Year and Model: 2011 S80
Location: USA Virginia
Been thanked: 1 time

Post by tom39 »

Well guess what? My right rear brake squeel is back. Not only that but it has a vibration too.

While trying to find another fix, I did some research and I seem to have found a fix for the vibration, its a shim service kit that looks as if it is a 1/2 of a shim that would cause the pad to tilt some and hopefully sit flat on the rotor. It is an OEM part and was bought at the dealer.

Has anyone utilized these shims and if so did it work, or am I on a wild goose chase? Am I on the right track and could this also be the issue I am having with the squeel all along?

Any suggestions would be welcomed.
11 - S80 Silver 132k/mi

9394volvo850s
Posts: 239
Joined: 12 October 2009
Year and Model: 93 850 5spd 94 850T5
Location: New York

Post by 9394volvo850s »

man im dreading the fast approaching day that i have to change my rear pads in my 93. neither of my 850 have any sort of squeel. i have auto zone carbon metalic on the front of the 93. dont kmow thats on the 94 turbo.
93 850 5spd 320k (the daily)
94 850 T5 190K (race car)
95 T-5R wagon yellow (summer wag)
90 745 5spd 295k (winter wag)
67 122 2 door 4spd 69k :))

V70Johnson
Posts: 18
Joined: 3 January 2009
Year and Model:
Location: Auburn, Wa.

Post by V70Johnson »

About a year ago, I changed out front rotors & pads. Went with OEM, purchased directly from local dealer (crazy or what?) While they ARE quite dirty, I haven't heard the slightest noise from them...under all driving conditions.

My two cents.

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BlackThunder
Posts: 239
Joined: 2 September 2007
Year and Model: 1997 850
Location: Minnesota, USA
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Post by BlackThunder »

I'm ordering those OEM pads from FCP Groton today. This is my first time installing rotors and pads. I'm looking forward to it and to getting rid of the "warped" rear rotors.

Dustin
Dustin
2013 Volvo C30 T5
1997 Volvo 850 NA Sold to a New Volvo Enthusiast

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tom39
Posts: 129
Joined: 30 October 2008
Year and Model: 2011 S80
Location: USA Virginia
Been thanked: 1 time

Post by tom39 »

Well I installed the shim kit soon after my last post and it appears to be the solution. The shim kit contains what looks like 4 shims but with half missing (see link) http://www.fcpgroton.com/images/product ... 272272.jpg
I installed the shim to the back of the pad that had irregular wear caused by uneven applied pressure due to not seating flat. It took about 25 miles of driving but the pad soon thereafter settled down and the squeel and vibration went away. I tested it in DC rush hour traffic about a week ago and I am golden.
I hope that any of this helps and a thanks to all for your help and suggestions.

TOM
11 - S80 Silver 132k/mi

User avatar
BlackThunder
Posts: 239
Joined: 2 September 2007
Year and Model: 1997 850
Location: Minnesota, USA
Has thanked: 6 times
Been thanked: 3 times

Post by BlackThunder »

Yeah, those shims (with the arrows up) work well. I've been very satisfied with them. Good work!

Dustin
Dustin
2013 Volvo C30 T5
1997 Volvo 850 NA Sold to a New Volvo Enthusiast

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RSM-GA
Posts: 62
Joined: 30 November 2008
Year and Model: C70 T5 Coupe 2002
Location: Savannah, GA

Post by RSM-GA »

I have a set of these half shims I am going to install. Which direction does the arrow face on installation right or left?

thanks
Rob
[img]C:\Users\sony\Pictures\2010-01-17[/img]
My garage:
2002 Volvo C70 T5 Coupe
1998 Volvo S70 T5 91k sold
1999 Volvo S70 190k scraped
1999 Mercedes Benz E320 199k sold
2000 Volvo V70 SE sold
1999 Taurus SHO V8 sold

Timberwolf530
Posts: 44
Joined: 9 March 2010
Year and Model: 1994 850
Location: Indiana

Post by Timberwolf530 »

tom39 wrote:Well guess what? My right rear brake squeel is back. Not only that but it has a vibration too.

While trying to find another fix, I did some research and I seem to have found a fix for the vibration, its a shim service kit that looks as if it is a 1/2 of a shim that would cause the pad to tilt some and hopefully sit flat on the rotor. It is an OEM part and was bought at the dealer.

Has anyone utilized these shims and if so did it work, or am I on a wild goose chase? Am I on the right track and could this also be the issue I am having with the squeel all along?

Any suggestions would be welcomed.
I have been using the Disc Brake Quiet (the red spray) for years with great results. I've found it is common for disk brakes to squeal a little when new until they settle in. I did mine on my 94 850 about 6 mos ago. I used Duralast semi-metalic with the spray. They squealed for about a week, and have been quiet ever since.
1994 850 Wagon - My car is on it's 3rd generation in my family. "I don't look at it as doing repairs, I see it as doing a complete restoration one part at at time."

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