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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 04-21-2005, 03:42 AM   #1
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Note: I just spent $100 on a set of rotors and $50 on some quality metallic pads.....

I know I drove 1200 miles in the past week but still....these are only 10,000 miles old....

whyyyyyyyyy? what happened here?
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Old 04-21-2005, 04:20 AM   #2
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are you talking about how they didnt wear evenly???

were both sides that way?
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Old 04-21-2005, 04:28 AM   #3
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Quote:
Originally Posted by harofreak00
are you talking about how they didnt wear evenly???

were both sides that way?

That is both sides.......


Note the last pic shows the back side of each pad on each side.


why did they wear like that/
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Old 04-21-2005, 04:44 AM   #4
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Maybe bad calipers??
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Old 04-21-2005, 08:26 AM   #5
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they wore like that because the calipers are not returning properly.

When the caliper piston gets pushed out with fluid one side starts to grab first. This would be the side that wore more, because when you stopped pushing on the pedal the caliper slide didn't allow the pad to disengage fully.

Think about it, there'* no spring or anything to release pressure, just the lack of pressure coming into the brake lines.

My suggestion would be every time you change the brakes that as part of the service you take out the caliper slides and wipe the old grease off them. Then lubricate them with anti-seize compound (available at every parts store) also there the caliper slides on the frame (if there is one) that mounts to the car. This way you have lubrication at all sliding areas and the caliper not only engages freely but also disengages better.
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Old 04-21-2005, 08:27 AM   #6
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I'll be doing the brakes on my Chevy truck soon and will get some pics for ya
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Old 04-21-2005, 11:17 AM   #7
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No * that'* definately bad caliper. Did you notice that one side of the car was pulling all of a sudden for no apparent reason? Cause that'd be the side to check.
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Old 04-22-2005, 01:32 AM   #8
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Replace or rebuld the Caliper, it sticks

You didn't feel it pull or hear it dragging?

ken
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Old 04-22-2005, 01:33 AM   #9
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By the way

do both Wheels



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Old 04-22-2005, 02:29 AM   #10
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Maybe the pad fell apart from the shoe?
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