GT Performance Mods 2005+ Mustang GT Performance and Technical Information

Squeaky brakes - help

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Old 5/27/07 | 03:31 PM
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Squeaky brakes - help

I have Hawk HPS brake pads and they make a lot of noise.

It makes the most noise under mild braking pressure. Under heavy braking, there is no noise. It's so loud that I tend to brake really hard so I dont hear them.

Will changing the rotors help eliminate the noise?
Old 5/27/07 | 03:39 PM
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That is natural for those types of pads. They are designed for hard braking and are noisier than OEM pads. Check out Stop Tech's web site for extensive detailed articles explaining brakes and their function and design characteristics.
Old 5/27/07 | 05:04 PM
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I just switched back to stock pads for the same reason. Well, that and the additional brake dust. Mine did not make a single noise for 1000 miles so I had posted several times that they were totally quiet. Then, all of a sudden I had loud squeel when light braking that would not go away.
Old 5/27/07 | 06:39 PM
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I read that getting different rotors would help reduce or elliminate the noise. Perhaps that is incorrect.
Old 5/28/07 | 12:11 PM
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I have been going back and forth with what brake pads to buy and everyone keeps recommending the HPS pads but I have HAWK pads on my F-150 and they squeal to hell so i really did not want to use HAWK pads again. Everyone said no squeal with the HPS so I was going to give them a try. Looks like I am back to square one with choosing a brake pad. By the way the HAWK pads on my truck do the exact same thing Light braking they squeal to hell.

Richard
Old 5/28/07 | 12:23 PM
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What about StopTech Posiquiet pads?
Old 5/28/07 | 12:32 PM
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I have EBC Redstuff pads and EBC slotted and dimpled rotors, they sound like high pitched static. I don't know if the noise is from the rotors or pads.
Old 5/28/07 | 12:35 PM
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Originally Posted by kevinb120
What about EBC Redstuff pads?
Those are what i had intended to get at first but was told not to use hem with the Rotors I purchased as they are very hard on the rotors being ceramic pads.

Richard
Old 5/28/07 | 02:45 PM
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my hps dont make a sound at all, these are on dba rotors in the front and stockers in the rear.
Old 5/29/07 | 12:52 PM
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Here is my experience with Hawk HPS pads so far. I've put over 1000 miles on the pads. Stock rotors had no additional noise, R1 Concepts Drilled/Slotted Rotors no additional noise, GMS Dimple Slotted/Slotted rotors screamed like a banshee, rotorpros drilled and slotted no additional noise.
Old 5/29/07 | 01:02 PM
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I also never had any noise with HPS pads using stock, powerslot, or stoptech rotors. The HP+'s on the other hand.....
Old 5/29/07 | 01:14 PM
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I have HPS with GMS rotors. No screaching just the clicking from the dimples.
Old 5/29/07 | 02:50 PM
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Originally Posted by uberPony
I have HPS with GMS rotors. No screaching just the clicking from the dimples.
My GMS rotors were crazy loud. You could hear me stopping over everything else. Of course GMS told me that was normal. What a load of crap but lesson learned.
Old 5/29/07 | 10:45 PM
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Interesting replies.

However, nobody has mentioned a remedy for the noise.
Old 5/30/07 | 09:36 AM
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All you can do to try and help is this.

Get up to about 35MPH and make 3-4 slow stops. Then get up to about 45MPH and do 3-4 medium hard stops. What you want to do is get the brake good and hot. You should have them hot enough to begin smelling them in fact. Once you have completed these steps park the car and let the brakes cool down completely.

Richard
Old 5/31/07 | 07:44 PM
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You may want to re-torque your lug nuts to 89 ft-lbs. From Service Manual. I had the same problem, retorqued the lugs, squelling is gone.
Just a thought. Hope it helps.

J
Old 5/31/07 | 08:54 PM
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I have never had good luck with Hawk products. My recommendations would be to first try to put a small amount of lube on the end clips that the pads fit into. Next use some CRC’s disk brake quiet on the back of each pad. If that doesn’t work, try chamfering the ends of the pads with a belt sander. Keep in mind that this was a temporary fix for me and when the noise popped up again I threw the Hawks in the trash and purchased some Porterfield R4S pads. A much much much better pad, but it comes at a price (50 bucks more than the HPS). Currently I’m trying out some BPMM pads that seem to be almost as good as the Porterfields, but at half the price. It’s to soon to give an endorsement, however when I get a few more miles on them I’ll let you know.

Good Luck!!
Old 6/2/07 | 11:27 PM
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Mine were great as far as noise went. But after a year driving on them they sound like a school bus when stopping. Only on light stops.
And I hate the brake dust. After Mondays track event I think i will install the stock pads back on.
Old 6/3/07 | 02:27 AM
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I simply won't go back to stock brake pads - no way !!

I'll try tightening the lug nuts as someone mentioned - that's easy enough to do.
Old 6/3/07 | 04:38 AM
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Someone mentioned scuffing the pads up. Also maybe have the rotors resurfaced.


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