1993 Buick Regal Brakes seize after warm-up

1993 BUICK REGAL
210,000 MILES • 6 CYL • 2WD • AUTOMATIC
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LOCOJORGE79
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After replacing two front brake calipers, including pads and rotors myself, I tested my semi-new brake system. I hesitate to say the brakes seize when the car warms up, but rather somehow, the brakes apply themselves as the car warms up. It doesn't appear to be happening more from one specific caliper, but all around. Before doing last brake job, there was a lot of air in the brake lines, though this was all thoroughly bled at all calipers and master cyl at time of last brake job, and so the only thing I can possibly suspect is the brake master cylinder needs to be rebuilt/replaced.

Any other ideas?
Oct 30, 2008 at 11:29 AM
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DOCFIXIT
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Check to see if there is some freeplay in pedal pushrod. If not Temp change in fluid may be slightly applying booster
Oct 31, 2008 at 12:45 PM