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  1. #1

    Default rear brake question

    on my 85 c-2500 for some reason when the truck sits for awhile my driver side rear brake grabs only when the truck is put in reverse, if i drive it for a little bit and then put it in reverse the brake works fine, only seems to happen when the brakes are cold. any ideas would be musc appreciated
    I didn't do it. nobody saw me do it, you can't prove anything

  2. #2

    Default

    Don't know the cause, but a couple of solutions may be to pull the drum off and spray some cleaner in there. That and bleed them.
    TNT - Texas

    First - '68 longbed (lady runs stop sign, insurance gives me a check)
    Then - '81 SWB (stupid stupid stupid...sold it thinking I was going to get something else)
    Now - Finally got my '86 (350, Holley 600, 700r4)

  3. #3

    Default

    pull the drum and see if anything looks unusually worn. see if the springs, e brake cable etc are sticking
    David
    2004 Silverado 2500 Crew Cab 4x4, AMSOIL EA air filter, Granatelli MAF sensor, Throttle body spacer, Magnaflow exhaust (true dual to 2 in 1 out muffler), 6" ProComp lift (add a leaf and 5" superlift rear block), Bilstein shocks, 35's (Cooper Disoverer ST) and 4.10 gears, Rhino Liner, EGRUSA fender Flares and widow visors, extended stainless steel brake lines, firestone airbags w/onboard air compressor, Pioneer Avic X940BT navigation, Accel backup camera.
    http://www.gmtruckclub.com/forum/sho...Silverado-2500
    1960 Land Rover Series II 88
    2001 Pontiac Sunfire
    2013 Toyota Avalon Limited (Wife's Car)
    NRA Life Member

  4. #4
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    Default

    X2 on pulling the drum & having a look inside. My right rear did that for the first couple stops & it was slight surface rust on the drum causing it to grab. The root cause was the rubber plug for the adjustment hole was missing & allowing water ingress
    1988 Chevy C-3500 2wd (no pic)
    350 c.i. 5.7 L Stock Block, 4 Bolt Mains
    L-31 Vortec Heads, Edelbrock Cam & Intake,
    Holley 650, Flowtech Headers, Magnaflow exh.
    Jet Trans 700R4, B&M Ratchet, 4:10 gears,
    3" susp. lift kit "shadetree"
    No rev limiter, No speed limiter lol


  5. #5

    Default

    don't see anything in the drums,i've replaced the wheel cylinder, new springs,shoes are descent, new brake lines from the proportioning valve all the way back, new rear brake hose.

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