every stop increases problem
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1991 Chevrolet Astro Question: brakes lock after a few miles pedal gets hard.can drive after cool down
Answer #1pushrod December 21, 2013, 02:56Master
Most likely the brake booster is your trouble! Next time this happens, pull the vacuum check valve out of the booster then put it back in place, now try to move van, brakes free and not locked now? Get some help if unsure how to do this. Do NOT drive with check valve removed from booster!!