The vibration is FIXED!
Thread Starter
Burning Brakes
Joined: Nov 2005
Posts: 1,211
Likes: 2
From: Dumas Arkansas
The vibration is FIXED!
After 2 months of pain with trying to find the source of the car's vibrating problems it turns out to be the ROTORS were warped.
The wrench that put the brake pads on 2 months ago should've told me the first time that they were bad. After going back to the same person that installed them checked the car again and couldn't find anything wrong and that I was just crazy.
So I went to another brake man and explained the problem. He took it for a test drive down the highway and immediately figured it's the rotors that he was feeling. Anyway she's fixed and I can finally leave town with her.
The wrench that put the brake pads on 2 months ago should've told me the first time that they were bad. After going back to the same person that installed them checked the car again and couldn't find anything wrong and that I was just crazy. So I went to another brake man and explained the problem. He took it for a test drive down the highway and immediately figured it's the rotors that he was feeling. Anyway she's fixed and I can finally leave town with her.
Team Owner
Joined: Jan 2003
Posts: 20,322
Likes: 248
From: Summerland B.C. Canada
Originally Posted by 86PACER
If the rotors were warped you should have been able to feel that through the brake pedal, upon braking from highway speeds.
Glad to hear she's smooth again 
Thread Starter
Burning Brakes
Joined: Nov 2005
Posts: 1,211
Likes: 2
From: Dumas Arkansas
Originally Posted by 86PACER
If the rotors were warped you should have been able to feel that through the brake pedal, upon braking from highway speeds.
Drifting
Joined: Jun 2004
Posts: 1,477
Likes: 87
Originally Posted by Pete K
It is understandable that you did not know what the vibration was, but a beginning auto mechanic should have picked up on that immediately. I recommend finding a new wrench for your ride.
Drifting
Joined: Sep 2004
Posts: 1,638
Likes: 3
Glad he isolated it and got it fixed. just to be accurate - most of us and a whole bunch of mechanics buy off on the "warped rotor" myth. turns out the rotors actually don't warp at all - instead the pick up brake pad material - and that unbalances the disk. Check out this excellent write up from stoptech, it fully documents and isvery well written to understand what is actually going on when the call "warped Rotor" goes out!
http://www.stoptech.com/tech_info/wp...rakedisk.shtml
http://www.stoptech.com/tech_info/wp...rakedisk.shtml
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Team Owner
Joined: Jun 2005
Posts: 46,295
Likes: 2,596
From: Northern, VA
St. Jude Donor '15
"In honor of jpee"
Originally Posted by Carl Johansson
Glad he isolated it and got it fixed. just to be accurate - most of us and a whole bunch of mechanics buy off on the "warped rotor" myth. turns out the rotors actually don't warp at all - instead the pick up brake pad material - and that unbalances the disk. Check out this excellent write up from stoptech, it fully documents and isvery well written to understand what is actually going on when the call "warped Rotor" goes out!
http://www.stoptech.com/tech_info/wp...rakedisk.shtml
http://www.stoptech.com/tech_info/wp...rakedisk.shtml
While I agree to an extent with the Stoptech article we should remember a few things. Rotors have been getting thinner, and many are made poorly. It's a conscious, weight-saving and cost-saving movement and has been going on for twenty years. So, some of the "vibration' really IS warped rotors. Not just brake pad material transfer.
If you've ever seen $5 rotors, and I have, there is a minute, barely visible difference. And usually only when you do a side by side comparo with a really good or even OEM rotor.
Long way of saying it sometimes is cheap, or warping rotors and even the frequent overtightening lug nuts can have an effect on rotors and braking.
Race Director
Joined: Dec 2002
Posts: 13,348
Likes: 233
From: SCMR Rat Pack'r Charter Member..Great Bend KS
With my background in heat treating and hot forming, I'll have to agree with Stoptech's position that brake rotors don't actually deform (warp).
In fact, rotor's receive a nice stress-relieving operation every time you make a good, hard stop from about 60mph.
Take a light cut on both surfaces to remove pad material, and they'll be good to go.
Larry
code5coupe
In fact, rotor's receive a nice stress-relieving operation every time you make a good, hard stop from about 60mph.
Take a light cut on both surfaces to remove pad material, and they'll be good to go.
Larry
code5coupe
Melting Slicks
Joined: Jul 2006
Posts: 3,356
Likes: 1
From: Chesapeake Va
Originally Posted by rocco16
With my background in heat treating and hot forming, I'll have to agree with Stoptech's position that brake rotors don't actually deform (warp)
Larry
code5coupe
Larry
code5coupe
PS Ive chucked up rotors in the lathe that were so bad you could see the warpage with your eye