Brake caliper locking up - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat
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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 07-04-2003, 09:04 PM   #1
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Default Brake caliper locking up

Hello all,

I have a brake problem that I have been unable to solve. My brake caliper locked up on me one day about two months ago. It was clamping the rotor at the time, so the pads were smoking upon pulling over. So, I replaced the caliper and put some new pads on, and while I was at it, I replaced the master cylinder.

Yesterday it happened again. The heat coming from the brakes was so hot my engine began to overheat. Does this sound like a proportioning valve problem, master cylinder, or something else. I am beginning to suspect the banjo bolt that connects the rubber brake line to the caliper. I am not sure I put it back together right. Does anyone know the proper proceedure for this? I simply tried to line the hole in the bolt up with the direction the fluid would flow into the caliper.

Please advise

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