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Re: 2000 chevy blazer braking problem
Sounds like your abs is kicking in. they are referring to the wheel hub/bearing assembly. not locking hubs for 4wheel drive. if you have a sensor dropping out the abs unit thinks a wheel is locking up and activates. this is why you feel the hopping and jumping.it could be the hub or just the sensor
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Common cause is the drums and brake shoes need to be replaced. When there no longer within the the specification for the brakes to work properly, the self adjusters will over adjust the brake shoes and you'll have the feeling of the rear drum brakes lock up as the shoes will bind up along the drums. Replace both Shoes and Drums and this can be done on your own will common tools and a simple brake spring tool that you can pick up at Auto Zone or Parts Source and both can give you the step by step instructions to replacing the rear brake system. Good luck and be safe.
Sounds like a likely possibility, the reverse method definetly did the trick in loosening the brake, but it may still be slightly applied, put it in a warm place when you can, or have a shop look at it indoors, it may need to be re-adjusted, or even just warmed up until the cable frees up again
bleed the brake again. if the pedal goes to the floor with little resistance, then the master cylinder is your problem.
the shim is to depress the noise when you applied the brake. you can skip that, if the brake works without it.