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Brake occasionally pushes to the floor!

Old 05-11-15, 11:34 PM
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Brake occasionally pushes to the floor!

I have a 1988 FC that seems to run pretty well for a car of its vintage. But today after some driving (and sitting in the North Carolina sun!), I noticed that the brake was pressing further and further down. By the time I got home, the pedal was going almost to the floor.

Brake fluid level seems fine (reservoir is up to max), and I don't see any leakage around the master cylinder.

Any thoughts about what could be going wrong? After about an hour or so in my garage I took it out again and it was fine.
Old 05-11-15, 11:55 PM
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you master could be leaking internally.
Old 05-13-15, 06:18 PM
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Thanks for the suggestion, misterstyx69. It turns out one of my calipers is dragging and my brakes are overheating.

I'm going to replace the caliper. I could try cleaning the piston, but a new caliper is cheap enough.
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