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850 rear brake issue

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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superfing
Posts: 56
Joined: 5 April 2010
Year and Model: 96 volvo 850 Wagon
Location: Oregon
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Re: 850 rear brake issue

Post by superfing »

middle I believe. I can post a pic soon, waiting for my other parts to come in to remove the tire again.
96 Volvo 850 wagon
85 Volvo 240 Wagon DL

polskamafia mjl
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Year and Model: 1995 Volvo 854 T-5R
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Post by polskamafia mjl »

Rotors generally have 'lines' on them after they have been used a few times but there shouldn't be any deep groves or anything. A pic will be most helpful.
'All my money is gone and I have an old Volvo.' - Bamse's Turbo Underpants

Current: 1995 Volvo 850 T-5R Manual - Bringing it back from the brink of death
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superfing
Posts: 56
Joined: 5 April 2010
Year and Model: 96 volvo 850 Wagon
Location: Oregon
Has thanked: 2 times

Post by superfing »

I replaced the shims today and had failed to notice that the wheel that was squealing the loudest does not have the centering screw that goes through the rotor. The rotor has a little wobble with only the caliper, this has to be the culprit. I am going to order one tomorrow.
96 Volvo 850 wagon
85 Volvo 240 Wagon DL

vjaneczko
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Year and Model: 2006 S60R
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Post by vjaneczko »

Even without the 10mm pin-nut thingy, you'll be able to keep the rotor true by taking time to tighten the lugs. Tighten by hand in the regular star pattern, then tighten with a torque wrench to 81 lbs. That will sandwich the rotor between wheel and hub quite well.
"He attacked everything in life with a mix of extraordinary genius and naive incompetence, and it was often difficult to tell which was which." - Douglas Adams

1997 855 GLT - R.I.P.
2006 S60R - For ME!

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