Grinding d/s front - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-17-2006, 03:43 AM   #11
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Quote:
Originally Posted by wjcollier07
bearings maybe..? because it could be the extra pressure on them when the wheels are being stopped...otherwise no clue..
Just replaced it. See 1st post.
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Old 03-17-2006, 03:52 AM   #12
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Quote:
Originally Posted by 95naSTA
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bearings maybe..? because it could be the extra pressure on them when the wheels are being stopped...otherwise no clue..
Just replaced it. See 1st post.
HAHA, i TOTALLY missed that, i read this b4 and didn't think i had to read it again....shows how much i know....
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Old 03-17-2006, 01:23 PM   #13
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Originally Posted by 95naSTA
Craaaapp. It came back. I don't think it'* as bad though..
So whats next on the list?
What kind of Pads do you have?

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Old 03-17-2006, 01:47 PM   #14
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Quote:
Originally Posted by jr's3800
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Craaaapp. It came back. I don't think it'* as bad though..
So whats next on the list?
What kind of Pads do you have?
I'm honestly not sure. I think they are a semi-ceramic pad. Not ceramic but not a normal pad.. They do have a good amount of meat on them.

I've noticed that the grinding is the worst starting off from a stop. And now it'* just as bad as it was before..
I'm really hoping it'* not trans related....
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Old 03-17-2006, 02:07 PM   #15
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Quote:
Originally Posted by 95naSTA
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Originally Posted by jr's3800
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Originally Posted by 95naSTA
Craaaapp. It came back. I don't think it'* as bad though..
So whats next on the list?
What kind of Pads do you have?
I'm honestly not sure. I think they are a semi-ceramic pad. Not ceramic but not a normal pad.. They do have a good amount of meat on them.

I've noticed that the grinding is the worst starting off from a stop. And now it'* just as bad as it was before..
I'm really hoping it'* not trans related....
I sure hope so too... I have actually had some pads that hard spotted on me for what ever reason... And they would bite in a bad way and scarr the rotor... I have in the past had some massive high pitched squeel from them when they got really hot..

I went to the Bendix Titanium Pads and have never had another issue..

Have the Rotors seated yet? Have the lines been worn off?

In the past I have sanded the pads to break the glaze, as welll as the rotors to do the same to give the pads and rotors a surface so that they can break in again...

Sorry I can't be there to help

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Old 03-17-2006, 02:25 PM   #16
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I'll check out to see if the rotors seated on the way home.
The grinding reminds me of a wheel bearing but deeper and the grinding happens under different conditions. So I'm sure it'* not that..
I'll try to type the way it sounds.. lol
(Starting at speed) ................................................(* lowing down, applying the brake)............................................ ...............Grind.........Grind.......Grind.... .Grind.....Grind..Griiiind. (Stop)....(Starting to accelerate)Griiind.....Grind......Grind.........Gr ind.........Grind................................. ............................(at speed)
So basially no griding at a constant speed, start to slow down and still no grinding untill I get close to stopping, grinds when close to stopping, stops when the car is stopped, Grinding when I start to accelerate and it goes away when I'm at a constant speed.
Hopefully that isn't too confusing.
Thanks Jr'*. I sure wish I was in FL right now after the advanced thermo test I just took.
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Old 03-17-2006, 02:31 PM   #17
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i had a problem similar to that a few months ago. the dust shield on the back side of the rotor was grinding on the back of the rotor. but it was really sporadic. it wore off a lot on rotor 1/8-1/16"
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Old 03-17-2006, 05:42 PM   #18
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Hmm. I'll definitely have to check that out.
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Old 03-17-2006, 05:54 PM   #19
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I would assume you've tried spinning it by hand. If that doesn't help, I would go to the extreme of putting the fronts in the air and having an extra set of hands operate the car while you listen. Being quite careful of course.... I'd hate to hear you got hit(again), not just by another car, but by your own!
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Old 03-17-2006, 06:25 PM   #20
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When I have everything apart to resurface the rotors, I did spin the wheel and it didn't make any noise. I was careful so I didn't get hit lol.
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