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 Jan 7, 2005 | 05:32 PM
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hey everyone, it'* been a while since i posted, my bonnie has been runnin' great ever since i posted last...well up until today, i was driving through town and noticed that my foot was going straight to the floor before the car even began slowing down, and when i finally got home, i ended up bumping the house for the car to stop. i checked out the brake fluid and it'* pretty good, and all the brake lines at the pump looked fine, i was wondering where else i should check to see what is causing this...thanks a lot.
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Old Jan 7, 2005 | 05:44 PM
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check the rear wheel cylinder and the master cylinder for any leaks
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Old Jan 7, 2005 | 06:49 PM
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Internal seal leakage in master cylender can do this without any ovious leaks or loss of fluid but is unusual to lose both sides of a dual M/C at the same time. Have seen this in a car that sat for a few years though.
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Old Jan 8, 2005 | 01:45 AM
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do the master cylinder have signs of being wet around the where the booster meets?
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Old Jan 8, 2005 | 08:42 AM
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Typical MC failure. Time for a new MC .


-justin
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Old Jan 8, 2005 | 01:09 PM
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thanks all for the help, i'm gonna look into replacing the MC, and start workin' on that today.
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