rear wheel cylinder removal - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-05-2007, 12:49 PM   #1
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Default rear wheel cylinder removal

It looks like there are three ways to replace a rear wheel brake cylinder.

1. Remove the sway bar bracket to get a a female Torx socket on the rear bolt holding in the cylinder.

2. Get an E8 female torx box end wrench to loosen the bolt.

3. Somehow get the backing plate away from the sway bar bracket - presumably by removing the hub and bearing assembly.

I don't want to do #1. I can buy a wrench to do #2. I don't know anything about the third option. If I remove the hub, will the backing plate be easy to remove to get it away from the suspension so I can get a female torx socket in there?

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Old 06-05-2007, 02:34 PM   #2
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Default torx

I think I used a female torx socket on the one accessable bolt then used a vise grip on the other to break it loose and get it out. Get 10 mm hex head replacement bolts at the parts store and the re-assembly is gravy.
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Old 06-05-2007, 02:37 PM   #3
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definitely doesn't require the first. this is so simple its not even funny. fair warning though, those suckers might be slightly rusted in!
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