Warped brake rotor problems.......
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Cargo Master
Joined: Jan 2002
Posts: 2,079
Likes: 11
From: LA and CO
Warped brake rotor problems.......
Guys,
Just recently did a brake job on my 94 F150. I had to ditch the factory rotors since they were thin. I bought some new rotors and pads from Autozone........ Now after about 10K the truck shakes like crazy when stopping.
Will a good machining of the rotor cure this or will it do it again? Are these Autozone rotors cheap and prone to warping? I haven't changed my driving habits, just the brake rotors. I never warped the factory rotors in the almost 10 years that I've owned the truck.
So, can anyone recommend some good rotors and pads?
John
Just recently did a brake job on my 94 F150. I had to ditch the factory rotors since they were thin. I bought some new rotors and pads from Autozone........ Now after about 10K the truck shakes like crazy when stopping.
Will a good machining of the rotor cure this or will it do it again? Are these Autozone rotors cheap and prone to warping? I haven't changed my driving habits, just the brake rotors. I never warped the factory rotors in the almost 10 years that I've owned the truck.
So, can anyone recommend some good rotors and pads?
John
Post Fiend
Joined: Mar 2002
Posts: 19,402
Likes: 38
From: Bonita Springs FL
Raybestos makes decent rotors. Their pads are good, but not the best. They tend to make noise when you get them hot enough. They squeal like mad in the desert heat. Bendix makes great pads, and so does Spectra one.
Autozone sells absolute junk. You're on the right track with getting rid of their crap. I wouldn't put autozone brake parts on a lawn tractor.
Autozone sells absolute junk. You're on the right track with getting rid of their crap. I wouldn't put autozone brake parts on a lawn tractor.
Senior User
Joined: Sep 2004
Posts: 196
Likes: 0
From: pennsylvania
Even new rotors are recomended to be checked and even turned to run true. If the AZ's were chinese, well you be the judge. Like you you said, you never warped the factory originals, so... Ps: did you thoroughly de grease the new ones after installing? Greasy rotors will warp since they build heat. I like napa, they handle alot of OEM stuff, don't know about their rotors.
Fleet Mechanic
Joined: Nov 2004
Posts: 1,324
Likes: 4
From: Michigan
I had the same problem. I replaced the stock with cross drilled rotors and severe duty pads. Jeff's Bronco Graveyard has them. They are a little pricey but well worth it. $95 per rotor and $38 for pads. I'm glad I spent the exta money.
Junior User
Joined: Mar 2005
Posts: 73
Likes: 0
From: East Central MN
Originally Posted by jamiesan
I like napa, they handle alot of OEM stuff, don't know about their rotors.
Brian
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Cargo Master
Joined: Jan 2002
Posts: 2,079
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From: LA and CO
Originally Posted by jamiesan
did you thoroughly de grease the new ones after installing? Greasy rotors will warp since they build heat. I like napa, they handle alot of OEM stuff, don't know about their rotors.
I degreased the machined portion, not the entire rotor. Should I have degreased in between the cooling fins?
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Fleet Mechanic
Joined: Nov 2004
Posts: 1,324
Likes: 4
From: Michigan
That's not necessary. Just contact surfaces need to be clean. Pads and where the pads contact the rotor. Another thing to consider is how you torqued the lug nuts. Alot of people on this forum seem to think that over torqueing causes warping. I tighten mine with hand tools only, no air impact wrenches.
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