1993 bonneville brake problems - 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 05-23-2010, 08:59 PM   #1
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Default 1993 bonneville brake problems

my right front had a stuck caliper(so i thought) so i replaced it and bled the side and it was fine for two days. also put new pads on both sides. started sticking again. any help would be great.
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Old 05-23-2010, 09:02 PM   #2
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Sounds like you may have a problem with the brake line.
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Old 05-23-2010, 09:06 PM   #3
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how can you tell if brake line is bad
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Old 05-23-2010, 09:08 PM   #4
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You would have to remove it and inspect it. Do you have ABS? Just sounds like something is stuck no letting the caliper relax.
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Old 05-24-2010, 06:31 PM   #5
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Quote:
Originally Posted by biondibonne View Post
how can you tell if brake line is bad
Take the brake caliper off & see if you can compress the piston back into the caliper with a c-clamp. If the hose is collapsed, it is pretty tough to squeeze it back in there.
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Old 05-28-2010, 09:35 AM   #6
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Thumbs up Bad brake line?

I had a similar problem, and the brake line replacement fixed it up right. I don't know how to tell that it is a problem, but if your vehicle hasn't had the flexible brake lines replaced in several years, it is probably worth doing as a matter of 'preventinve maintenance' anyway. The parts are not difficult to replace nor are they expensive. My '94 Bonneville how has the best brakes in my entire fleet. I guess I have to get to work on my other vehicles now!
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Old 05-28-2010, 10:29 AM   #7
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The brake line in question is the rubber hose inside the wheel well. This is a common issue with older brake lines. What happens is the rubber seperates internally and acts like a one way valve. Fluid fills the caliper and can not return properly.

When you replace the hose, please do both sides as they will be pretty close in condition to one another. Typical cost on the hoses is under ~$15 a side.
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