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Thread: Rear disc brake drag

  1. #1
    Member JOURNEYMAN
    Join Date
    Sep 2006
    Location
    alabama
    Posts
    33

    Rear disc brake drag

    I'm having trouble with my brake's draging ,after i make a pass in the car the brake's drag. about 15 minute's later they will free-up.It's on a Altered,1600# rear brake's only....

  2. #2
    Member MASTER JOURNEYMAN
    Join Date
    Feb 2003
    Location
    Louisiana
    Posts
    37
    Maybe a caliper is sticking after it heats up and then free's up when it cools?

  3. #3
    Senior Member RACING JUNKIE
    Join Date
    May 2003
    Location
    Coldwater, MI
    Posts
    2,998
    Quote Originally Posted by fatjodycat
    Maybe a caliper is sticking after it heats up and then free's up when it cools?
    x2

    I had a caliper stick on me at 175 not a good thing, be safe and get it fixed before racing again.
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  4. #4
    Senior Member RACING JUNKIE TheYellaBrick's Avatar
    Join Date
    Mar 2008
    Location
    Emmett, Idaho
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    7,334
    The puck is not retracting as it should, thus dragging the pads and heating up the whole assembly. Disassemble, hone, and replace the puck ring. Pull the caliper, place a piece of 1 X 4 in between the puck/s and gently apply air pressure into the brake line fitting. POP ! and the puck/s are out ! Make sure you have no little appendages in there !! I got rudely awakened one time *@#%&*** :roll: ops: ops: ops: ops: :x :cry: :cry: :cry:
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  5. #5
    Senior Member MASTER BUILDER
    Join Date
    Mar 2003
    Posts
    127
    Another problem you may have is that in the master cylinder the hole that allows fluid back into the res. may be too small.. The very first time we ran our dragster down the track the brakes would not release and were dragging... After the 1st full pass we made we could not push or move the car even with a golf cart... We released the line pressure with the bleeder screw and then in our pit spot figured out that the master cylinder was causing us some problems.. took it a part and drilled the hole out larger size and they have worked flawlessly ever since


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