Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

850 R Brake Vibration

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  #1  
Old 06-20-2005, 10:12 AM
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Default 850 R Brake Vibration

The vibration that feels like running over rumble strips did not happen at all this morning comming to work. I did have some squeaking though and a little bit of the grinding sound when I step on the brakes at high speed. But none of that very low speed soft touch on the brakes vibration.
 
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Old 06-20-2005, 11:27 AM
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Default RE: 850 R Brake Vibration

Try the shims first then the rotors.
 
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Old 06-20-2005, 11:43 AM
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Default RE: 850 R Brake Vibration

I just called the dealer and they only have one set of stainless steel shims at $1.73 each. He did not know if they were half or full and acted like I didn't know what I was talking about when I said I wanted half shims. You are right about really turning the rotors and the guy I bought it from said only have them turned very little. I have nothing to lose by doing it. If it makes it worse he will send me new ones. As long as it's worse within 30 days.
 
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Old 06-20-2005, 12:06 PM
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Default RE: 850 R Brake Vibration

The parts guy you talked to must have been new.
He knows nothing then.They look like the back of the pad but kind of cut in half.They also have arrows stamped into them that need to be pointing up.
 
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Old 06-21-2005, 10:13 AM
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Default RE: 850 R Brake Vibration

Tech you don't happen to know a part number for the shims do you? I looked at the new set of pads I have and there are not shims in the set, either front or back. I will buy the shims for the rear at lunch today. I'm going to take your advise and just do the shims first and not turn the rotors unless the problem persists. Thr front pads look to be about 30% so I'm changing them too. They might be the ones squeeling.
 
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Old 06-21-2005, 01:07 PM
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Default RE: 850 R Brake Vibration

NO I don't know the part#
The parts dept should know them with no problem.
They should be able to find them with their eyes closed!!!
 
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Old 06-21-2005, 01:11 PM
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Default RE: 850 R Brake Vibration

I'm calling the other dealer. The first guy is known to have an attitude problem. My mechanic did not know the number either and said to call the other dealership.
 
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Old 06-21-2005, 01:13 PM
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Default RE: 850 R Brake Vibration

Ok let me know how you make out.
 
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Old 06-21-2005, 02:54 PM
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Default RE: 850 R Brake Vibration

OK I got the half shims and I saw the whole shims. Now I understand what Tech was saying about how they look. Car has not made the noise once today. It did it twice yesterday.
 
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Old 06-21-2005, 04:36 PM
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Default RE: 850 R Brake Vibration

But most of the time it will make the noise when the rotors are hot.

I have had many cars like you have explained and they kicked my A**.
 
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Old 06-21-2005, 10:34 PM
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Default RE: 850 R Brake Vibration

Yes it does it when it's hot, but not all the time. I got the rotors off and the pads looked like they needed replaced. The pads I got do have what looks like rubbery shims attached to the back of them.

I should peel these off and put the half shims on instead?

I'm thinking about just buying new rotors rather than waiting for new ones and I don't like the idea of turning them. I don't think they are Vovlo rotors, but I can't tell for sure. They don't say Vovlo on them I know that. If I want to wait I can get several kinds of rotors fairly cheap, but I want to get it done before the weekend. Somebody told me the NAPA better grade rotors are good. They sell for $67.49 each. I can also get Raybestos at Pep Boys for 60.57. Both places have some cheap ones in the $25 range, but I'm staying away from them. I can get Brembo over the internet for $32.20 each, but I would have to wait for 3-5 days.
 
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Old 06-21-2005, 10:41 PM
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Default RE: 850 R Brake Vibration

Leave the rubbery shims on there install the brake grease on that shim then install the shim and then more grease then install.
If they were Volvo rotors they would say it on there it is clear.
Me I wouls stay with Volvo rotors but you can buy what you want.
 
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Old 06-21-2005, 10:48 PM
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Default RE: 850 R Brake Vibration

I bet the dealer will want $90 a piece for OEM rotors. I'll check the price on them tomorrow.

 
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Old 06-22-2005, 03:45 AM
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Default RE: 850 R Brake Vibration

Let me know once you find out.
 
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Old 06-22-2005, 11:43 AM
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Default RE: 850 R Brake Vibration

Old rotors can't be turned because the one is too warped. Dealer wants $73.70 each for OEM. Said if I was a Volvo Club member he would knock of 15%, but I have to have a card. How can I join and get a member number?
 
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Old 06-22-2005, 12:49 PM
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Default RE: 850 R Brake Vibration

Im not sure but maybe someone else will know.
If all else fails call and ask how to join.
 
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Old 06-22-2005, 01:48 PM
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Default RE: 850 R Brake Vibration

Never mind, I just joined online and will get the 15% discount.
 
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Old 06-22-2005, 02:16 PM
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Default RE: 850 R Brake Vibration

Cool glad to hear that[sm=icon_rock.gif][sm=signs003.gif]
 
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Old 06-22-2005, 03:47 PM
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Default RE: 850 R Brake Vibration

I got nice factory replacements made by Brembo form BapGeon. They were $45 a piece.
 
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Old 06-22-2005, 04:07 PM
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Default RE: 850 R Brake Vibration

How long would it take to get them. I don't want it back on the road by the weekend at the latest. If I buy the OEM I'm back on the road tonight.
 


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