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#527601 - 08/28/04 01:05 PM brake questions
johnoh Offline

Registered: 06/07/04
Posts: 332
Loc: Dallas, TX
My '97 cvpi has 85k miles on it and I bought it several weeks ago. This week I was getting a scraping sound coming from the right rear wheel area and found that the pad was worn down to the metal and had scored the rotor. So I replaced all rear pads as well as the right rear rotor (the left rotor looked good). Was it a mistake to only replace one rotor?

The front pads are worn only 50% or less, but the rotors each have a raised edge around outer the 1/8 inch. Is that warping? My guess is the rear pads were original and the front pads had been replaced but nothing was done to the rotos. My plan is to replace both front rotors once the pads wear down, but thought I would ask here to see if anyone has different advice. Thanks.
dark blue 1997 P71, 160k, 21mpg
white 2000 P71, 93k, 19mpg

#527602 - 08/28/04 03:27 PM Re: brake questions
danatriverton Offline
Over the Hill

Registered: 07/20/03
Posts: 1503
If there is only light scoring on a rotor, putting a new pad on it will smooth it out. It may shorten the life of the pad, but not by much.

The front with the ridge around the rotor means that is how much it has worn. The pad doesn't cover the edge and so does not wear clear to there.

If the brakes are smooth the rotors are fine.

From other posters here, turning the rotors doesn't do much good. They replace them.

#527603 - 08/28/04 05:14 PM Re: brake questions
Buck268 Offline

Grand Poobah

Registered: 02/27/02
Posts: 12132
Loc: Grand Rapids, MI
Yup, only reason to turn a rotor would be if your only replacing the pads (perhapse an axle seal failure has saturated the pads with oil...).

As for replaicng only 1 rotor, my personal preference would be to replace them in axle sets to help promote even braking...
Dead: 1994 Crown Vic LX/HPP... over 190,000 miles when she got totalled frown
Gone: 1996 Mustang GT 5spd, drop top, Bassani OR X-pipe, Dynomax Ultraflows, PI Cams, K&N FIPK, C&L Elbow and 75mm TB, PIAA 1700X...
Dead: 2012 Mustang V6 Performance Package, Kona Blue with MagnaFlow "Street" catback. KIA August 2012 frown

#527604 - 09/08/04 08:22 PM Re: brake questions
poppajack7 Offline

Registered: 09/07/04
Posts: 31
replace your rotors in pairs is the way to go. also if you can make sure you replace them with solid cast rotors. you don't want the composit rotors. they are prone to problems
1994 crown vic p71. 3.73 gears, bbk throttle body,motorvation spacer, reinhart super chip,high flow converters, welded magnaflows and full custom transmission. energy suspension. 14.152 1/4, 98.96 mph 1.960 60. who says the old dogs don't run!!!!!!


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