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Thread: 1970 buick electra rear drum brakes not working

  1. #1
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    1970 buick electra rear drum brakes not working

    starting up my electra after years of indoor storage and after replacing a blown out brake line running from proportioning valve to rear brake splitter, and bleeding out the two rear brake cylinders, i still get no action from the drum brakes. with my brake pedal fully depressed i can still turn the rear wheels. any suggestions? how can i tell if the pistons are seized, and is it uncommon for BOTH to seized? can i free the pistons up without removing the cylinders from the car?

  2. #2
    Are the rear brake shoes adjusted properly???
    Tom Telesco
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  3. #3
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    I could hear them slightly rubbing upon turning the wheels. But the drum came off easily. So maybe the auto adjuster hadn’t been working too well up to when I stored it. I’ll do a manual adjust. But even if not adjusted wouldn’t that just mean the pistons have to move out of the cylinder further to get to shoes to contact the drum? Btw when I looked at the piston position they were actually sticking out quite far from the dust boot. Shouldn’t it just be barely peaking out?

  4. #4
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    In case you need and want quality parts,
    I have the Brake Shoes, Brake Hardware, Wheel Cylinders, and BRAKE DRUMS ---- All brand New!!!!!!!!!!

    Always best to simply call, if you can call the U.S.A. for FREE.... Craig 516 - 485 - 1935.......

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