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Old 10-05-2001, 06:26 PM
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Location: Saugus, CA USA
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Question Buzzy brake

My brakes have been making a funny sound. Just as I come to moderately hard stops the front right wheel makes a buzzing kind of sound at the speed of the wheel rotation. It sound a little like the ABS. I donít feel anything through the steering wheel or brake pedal and it stops straight. Iíve had the wheel off and everything looks fine with plenty on the pads. It is due for a brake fluid change for its 90,000 mile service and I havenít used the ABS in a while (been lucky). I was thinking it might be warped but they havenít gotten wet in a while or been hot and the buzzing is at a higher rate than what I would expect of warping. Iíve never had a warped rotor so I donít know what it would feel like. It also doesnít seem to be getting worse. What could it be
5 speed '91 190E 2.6 320,000 mi. (new car, fast, smooth as silk six, couldn't find any more Peugeots)
5 speed '85 Peugeot 505 2.5l Turbo Diesel 266,000 mi. (old car, fast for a diesel, had 2 others)
5 speed '01 Jetta V6 (new wifes car, pretty quick)
5 speed '85 Peugeot 505 2.2l Turbo Gas 197,000 mi. (wifes car, faster, sadly gone just short of 200k )
5 speed '83 Yamaha 750 Maxim 14,000 mi. (fastest)
0 speed 4' x 8' 1800 lb Harbor Freight utility trailer (only as fast as what's pulling it)

Last edited by Jim Anderson; 10-05-2001 at 07:35 PM.
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Old 10-05-2001, 08:34 PM
sixto's Avatar
smoke gets in your eyes
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Location: SF Bay Area
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I take it it's not a scraping sound as you'd expect if the shield were in contact with the rotor.

My 91 300SE sometimes makes a sound like you hear when you're in a plane backing out of the terminal. Kind of like the pad is shuddering against the rotor. Sounds louder with more pedal pressure. Doesn't seem to affect brake performance.

91 300SE
81 300SD
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Old 10-06-2001, 02:58 AM
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Location: Saugus, CA USA
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No its not scraping, I've heard worn out pad scarping before and seen the results and the sheild and roters looks fine. It does seem speed sensative, light braking doesn't make any unusual sounds.
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Old 10-06-2001, 01:28 PM
Q Q is offline
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Could be severly grooved rotors.
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Old 10-06-2001, 11:40 PM
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Location: Saugus, CA USA
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I've had a look at the rotors and they look and feel fine, all though they seem a little too smooth, for what thats worth.
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