89 LE - Braking Noises!!! - Updated...FIXED! :P - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-05-2006, 12:54 AM   #1
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Default 89 LE - Braking Noises!!! - Updated...FIXED! :P

Ok now this is about the third time I have heard this!

The car seems to brake normally and everything, but about once a week, one of this discs will make this like grinding sound. And the weirdest thing about it is that it only happens EVERY once in a while under LIGHT braking. Tonight it happened after I came off an offramp and then turned left and came to a stoplight. And whats weird is that it doesn't seem to affect the braking in any way, it just seems to make that dang noise! And so I braked again like 300 feet away, and it was gone. This is really strange.

It is gonna be kinda chilly this week, but they said it is going to warm up this weekend, so THIS WEEKEND I will be inspecting those brakes.

I am thinking that it might be because for a while now I have been doing some EXTREMELY hard braking, I mean like 80-0 hard stops. And the pads I used were the REAL cheap like $20 kind. My next ones will be ceramic.

I will check up on it on saturday. I will let you guys know what I found. ALSO, my camera charger has been totally MIA for about a month now. I just ordered one on eBay and should have it by the weekend..hopefully. So I will make sure to take pics to give y'all a better idea of the situation.

Thanks.
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Old 10-05-2006, 07:30 PM   #2
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You probably overheated the rotors and there'* one spot if you grab it, it'll cause that grinding noise. I completely glazed the corsy'* rotors on a 110-35 stop, and caused small blue spots scattered around the rotor, indicated they overheated. It'* best to avoid those stops, especially on TEVES brakes, because they work very, very well when they do.
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Old 10-05-2006, 09:23 PM   #3
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When replacing the pads, either machine, or replace the rotors. Most shops can charge a small fee for machining them.

Also check your back brakes. With the vehicle suspended, spin the wheel. The back brakes should be adjusted enough so that they drag a little. The wheel should not spin 1 full revolution. If it spins and does not stop. Inspect and adjust the back brakes. These braking systems work very well when adjusted and working properly.
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Old 10-06-2006, 01:36 PM   #4
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When the Pads were replaced, what pads were used... As well what brand of pads did you use and were the rotors replaced or turned?

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Old 10-06-2006, 05:59 PM   #5
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OSG: Yeah I know I overheated them. I could smell them burning, oh could I ever.

Tim: When I do replace them again, I will be replacing the rotors with the pads. And when I have it all apart this weekend, I will check those back ones. I just recently replaced the Drum Wheel Cylinders, but I'm not sure if I remembered to adjust the brake shoes almost up to the drum, but I THINK I did.

Don: THESE are the pads I used when I last replaced them. The pads that we're on there were glazed to the max. and no, I did nothing with the rotors whatsoever. I attempted to get them off...no go. I mean I whacked the **** outta them and they did not want to budge. So I just left them alone. When I do the brakes next, I will be putting on THESE PADS & THESE ROTORS and will be completely bleeding the brakes again with THIS BRAKE FLUID , and will be replacing the rears with THESE SHOES & THESE DRUMS

And if I have the money...I will be replacing the MC with THIS But if I do that, I will also just go ahead and replace the brake lines while I'm at it. Yah think my car will be able to stop then eh?

But anyways, I shall see what the trip is when I take it apart tomorrow. Wish me luck! I know I'm gonna need it!!!

And yes I know Bendix is made by Honeywell, the same company that makes fram But I bet there is not another company out there with such good warranties on their products!!!
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Old 10-08-2006, 04:44 AM   #6
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Shoot, I didn't get a chance to do it today, because I don't have any tools and my friend that DOES have the tools I was going to borrow apparently went fishing. Wonderful. So either today or next weekend. I hope it stays warm! Today would have been an excellent day!

Oh and got my camera charger, so pics will come when work is being done so I can finally track down this noise!
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Old 10-14-2006, 01:44 AM   #7
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W00T w00t!!!!

New brakes, new brakes!!!

put me some of these on there

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with brand new bendix rotors!!!

NOISE GONE, the brakes will put yah through the dang windshield!! and now my car is 100% safe!

I am so happy. Only took me about 2 hours this afternoon...

and I would have taken pics to show you how BEAUTIFUL those rotors looked on there, but my hands looked like i dipped em in hot tire rubber...talk about black!

but shes good, trust me...

as for why they were grinding? well the rotors themselves had holes in them (inboard) and 2 of the cheap pads fell off the backing plate... so they were draging and rubbing on holey rotors and all that. pics below explain everything...

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Old 10-14-2006, 01:27 PM   #8
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Good Choice... I have those Titanium Metallic pads on both cars.... Never had an issue with them... And the Bendix rotors are still treating me good

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