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Squeeky Brakes


potroast

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the brakes on my 850 are squeeking really badly... I mean, REALLY annoying.... But they stop the vehicle very well. I have tried the anti-squeel stuff that kragen/checkers sells, and that doesn't last more than a day. What could possibly cause my brakes to squeel so bad? I had a mechanic look at the brakes last month, and he said I had 90% left up front, and 70% left in the back, and the rotors are fine... What can I do to get rid of the squeak?

Thanks.

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I purchased the car last month, so to be honest, I am not sure who made the brakes. I have the receipts and a Volvo/Saab shop did do the brake work, but I do not know if they are volvo brakes.

Okay, so assuming they are not volvo brakes, what can I do? Are we talking pads or rotors here?

However, if I had to make a guess, I would assume they are not volvo pads, since I have found several areas where the previous owner was a cheap bastard!

Assuming that it's not a volvo part, would going back to a volvo part solve my squeeking? Or has damage been done? The car does brake fine, it's just the squeeking that's both annoying and at times can be embarassing.

Here's the goal:

1) stop well

2) stop quietly

3) don't break my wallet

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We've seen a lot of brake Volvo jobs. NEVER had a squeal with Volvo pads and a tech who speaks Volvo!

If you are DIY - see Bay 13's instructions.

Do a search, no one claims that Volvo pads squeal - just create dust.

Many times doing a job right once is much cheaper than several inexpensive experiments.

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We've seen a lot of brake Volvo jobs. NEVER had a squeal with Volvo pads and a tech who speaks Volvo!

If you are DIY - see Bay 13's instructions.

Do a search, no one claims that Volvo pads squeal - just create dust.

Many times doing a job right once is much cheaper than several inexpensive experiments.

I completely agree, however, that doesn't really help me much... To be honest, I prefer doing the work myself -- but as I stated earlier, the brakes were done by the previous owner -- and at a shop.

So, from your comments regarding volvo OEM pads, I assume that it is likely that I have aftermarket pads. Are all aftermarket pads bad? Should I just go get volvo pads (I fear what the price would be -- after seeing how much they charge for everything else!)

Assuming that it's the pads, would any damage have been done? Or do they just squeal and I can replace with OEM pads and be happy?

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www.fcpgroton.com

Get your brake pads there, it'll save you some money from buying at the dealer.

The noise should go away once you replace your pads with OEMs, assuming that the pads you have now are aftermarket. Most likely no damage has been done by just the squeek.

The brake job is pretty easy, just follow Bay 13's directions and you shouldn't have any problems.

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okay, I went to that site, but I see 6 different Front pads, and 6 different Rear pads. I would like to replace front and rear. I also think it'd be good to do shims, and all the goodies. I want to start fresh, and have no squeel. If someone can point out exactly which sets I needs, I'd be very grateful.

Also, are those prices correct? they seem very low! I know Autozone wanted $49 for a set of aftermarket pads (per axel).

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Let me add my word in on this one.

In my experience, which was the exact same situation as you...

I took it to get checked everywhere for multiple opinions. I had the antisqueal put on. Same result. The antisqueal had no use. The mechanics said my pads were practically new and rotors were looking sharp.

The only thing they could think of that might fix the problem was a new set of rotors and pads. ?!?!?!

I got quotes ranging from $250 to $800. Well... I settled with the $250 at sears auto. oem pads front and back. turned rotors. brake hardware. full disassembly/reassembly.

Guess what? It did the trick. But... I could have spent much less. It turns out that the pads were indeed volvo. I should have asked sears for the old pads back. :(

So what was the issue? Sears wouldn't admit this, but if pads and rotors were fine... the only thing I could suspect was the brake hardware. And I feel that this conclusion is valid for the following reason:

In the past, when engaging abs (whether via tracs or just slamming the brakes), not only would I hear the abs module but also a loud klunk/klunk/klunk from the brakes. It was such a louder abs than any other car I've driven.

I've already had everything disassembled and redone before and it didn't do any good. But after the new hardware, I could only hear the abs module kick in. No loose sounding brake assembly. It squeaked al ittle the first few days--I guess because the newly turned rotors needed to be worn in a little. And braking felt sluggish at first, but after burnin, they are strong and silent.

So maybe, all we needed was the brake hardware kits for the front and rear?

Rich, your opinion on this? Valid, or am I just throwing stuff in the air?

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the pads could be glazed.

If I were you, to save money and since the pads still look good, I would try the simplest thing before spending money:

-remove the pads and sand them with coarse sanding paper, also make sure that you sand the edges of the pads to give them a slight bevel

-regrease the back of pads and metal edge parts that come in contact with caliper and reinstall and see what happens.

-you need to let the pads reseat into the rotors, by doing the "new pads setting" technique.

If that fails then new pads are in order. :unsure:

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the pads could be glazed.

If I were you, to save money and since the pads still look good, I would try the simplest  thing before spending money:

-remove the pads and sand them with coarse sanding paper, also make sure that you sand the edges of the pads to give them a slight bevel

-regrease the back of pads and metal edge parts that come in contact with caliper and reinstall and see what happens.

-you need to let the pads reseat into the rotors, by doing the "new pads  setting" technique.

If that fails then new pads are in order. :unsure:

what are glazed pads??

new pads setting technique? would that be hard brake slamming a few times to put it down? or would that be light and gentle until everything settles?

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what are glazed pads??

new pads setting technique? would that be hard brake slamming a few times to put it down? or would that be light and gentle until everything settles?

glazed pads are when the surface basically turns to glass. Usually due to heat.

My understanding is that a glazed pad will not brake well, however -- and mine break like a champ -- they're just noisy when doing it.

You never want to slam on new brakes!!! You should drive slowly for a mile lightly dragging the brakes... then exercise nice gentle stops until the brakes are worked in and ready.

I'll try the sand/re-seat method tomorrow morning (working today)... If that doesn't work, what pads would you recommend? I have zero problems with dust, so if OEMs are perfectly quiet, stop well, and their only problem is dust, I'll take em! My goal is great stopping ability, and ZERO noise... Whatever satisfies that is what I'll get. Any suggestions?

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