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Discussion Starter #1
Ok, I know there have been numerous threads about squaling brakes, but none of them really had the same issue as me. I replaced my stock front pads at around 70k miles. They still had quite a bit of meat but I figured I'd replace them anyway. I had the rotors resurfaced and I installed Hawk HPS pads. A few thousand miles or so ago (about 8k on the hawks) I started to hear a squeal. It was hard to tell if it was coming from the front or the rear so being that the rears had about 78k on them, I decided to take a look at them. They still had some life left in them but I had a summit gift certificate I had to use so I bought HPSs for the rear too. I replaced them and no surprise, the noise continued. It has recently become louder and it is now very clear that it is coming from the front. It seems to only happen at low speeds when I gradually apply the brakes, like when I'm going through a parking lot or pulling into my garage. It starts to make noise when I first step on the pedal and then once I apply more pressure it quiets down. It also makes noise when I slowly back off on the pedal and began to roll again. Basically it seems like it only makes the noise when the pads are making very light contact with the rotors. I know the hawks are noiser than the stock pads and they did make a little noise for the first 8k and I didn't mind it but this is to the point where I really don't think it is normal. I pulled up to the drive-thru at the bank this morning and the teller cringed!
 

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Discussion Starter #3
I was thinking bearings too, would they only make noise when I hit the brakes though? Thats the only thing that was making me lean more towards brakes.
 

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Explain in detail your method of installing new pads.

I either apply silicone grease or spray adhesive the back side of both inner and outer calipers. Also anitseize or silicone grease all the slides and contact surfaces.

As for brand of pads. I have 5 cars. All different brands on my junk. LHS has Monroe ceramic, TBird has Wagner Thermoquiet, Belvedere has same brakes as when we bought it 6 yrs ago (4 10" drums), I can't remember what's on the Ram, cheap stuff for sure. None of them have any brake squeal.
I'm confident most cases of brake squeal of installation.
 

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Discussion Starter #5
Ok guys, I need some help. I was able to do all tonight's homework last night so UI finally have time to get to the bottom of this. My plan was to take the pads off, clean and grease everything, and spray some brake quiet on the pads. I just noticed after I took my driver's side wheel off that if I wiggle the rotor a little it makes the noise I've been hearing. The passenger side doesn't make any noise if I move the rotor. It has sounded like it has been coming from the driver's side too. I wonder if my rotor hasn't possibly been moving a little when I first apply the brakes. What could cause that? Even if it has moved, is there anything that can cause it to make this noise when the other side doesn't? I'm going to go out and pull everything apart now but I thought I'd see if anybody had an idea on what I could look at while I'm in there because I probably won't have time to do any work on my car again for quite some time. TIA!
 

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Discussion Starter #7
jfsram said:
When the wheel is bolted on the rotor will not move.
I know, I thought it was strange that I was gettign the exact same noise when I moved it though. Anyway, I lubed everything up real good and they're completely silent. I hope they stay that way!
 

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did you sand down the hub and back of the rotor. could be build-up back there not letting the surfaces sit flush with eachother. but with the wheel off, the rotor is bound to move as the bolts are no longer securing it to the hub<---(i believe that is what it is called!!)
 

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Please tell me you didn't use Brake Disc Quiet on these. Because if you did, you did not heed my warnings in previous threads. :)

Brake Disc Quiet should NOT be used on pad that have a shim. Unless the design changed, the Hawk HPS pads DO have a shim (at least mine did). If you used this stuff on shimmed pads, the shim can actually pull away from the pad, causing noise.
 

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Discussion Starter #11
Warlord187 said:
Please tell me you didn't use Brake Disc Quiet on these. Because if you did, you did not heed my warnings in previous threads. :)

Brake Disc Quiet should NOT be used on pad that have a shim. Unless the design changed, the Hawk HPS pads DO have a shim (at least mine did). If you used this stuff on shimmed pads, the shim can actually pull away from the pad, causing noise.
Actually, I went out and bought the disc brake quiet because I thought I didn't have shims because I didn't put them on. Before I did anything I went through some old threads and saw that you said not to use it on pads with shims, even if they were factory attached shims. I saw the pics of the CT-3s with the installed shims and realized that I had the same thing. So, I cleaned everything up good and put silicone brake lube on the backs of the pads, the slides, the mounting points and the hubs. All was good last night when I went for a test drive and on my way to school tomorrow but on my way home today I started t oget noise again. It is not as bad as it was and it doesn't happen everytime I hit the brakes any more but it is still making noise.
 

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Some pad and rotor combos just make noise. It depends what materials and percentages are used in the parts. If other people do not have similar experiences, I don't know what to say. Your best bet is to clean, sand off rust, polish everything you can, from the rotors to the hub to the calipers, make sure everything is spotless. Turn the rotors, in case they have worn unevenly.
 
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