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rear driver's side tire locks up? WTF?

Discussion in 'The Garage' started by stoney126, Jan 2, 2007.

  1. stoney126

    stoney126 1/2 ton status

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    Hey all have a small problem . The vehicle CC 89 gmc 1 ton 6.5td and 400. At low speeds 5-10 mph while applying the brakes slightly the drivers side rear tire locks up. It did it 3 times in a row then stopped.

    It Did it just the one time And has not done it since. What would cause it to lock up? Im running open diffs, on 38 toyo open country's..
    Thanks for any help in the matter
     
  2. dremu

    dremu Officious Thread Derailer Premium Member

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    Sticky wheel cylinder? Star adjuster out of adjustment?

    Take drum off, lube adjuster with WD40 and re-adjust, check wheel cylinder and lube its plunger with brake grease or something.

    -- A
     
  3. darkshadow

    darkshadow 1 ton status

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    do you have RWAL in your truck? (or did that start in 90?+)

    that might have somthing to do with it.

    are you sure it is just the one side?
     
  4. b454rat

    b454rat 1/2 ton status Premium Member

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    Was it first thing in the morning?? My 97 used to do it, my 89 now and then, and my 93 S-10 does it too. Does it when it's raining sometimes too.
     
  5. HarryH3

    HarryH3 1 ton status Author

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    That's the classic symptom of gear lube or brake fluid contaminated brake shoes. Something is leaking inside that brake drum. :( Fix the leak, clean the drum with lots of brake cleaner, then replace the shoes (they absorb the fluid, so they can't be reused).
     
  6. JpEater

    JpEater 1/2 ton status

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    x2 on the fluid leak. I say either Brake fluid or gear oil is causing it.
     
  7. beater_k20

    beater_k20 Banned

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    edit: nevermind, you guys already got it. :waytogo:
     
  8. stoney126

    stoney126 1/2 ton status

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    ya it was first thing in the morning. I pull em and check for leaks. No antilocks here. im not 100% it was just the one side, heard em lock looked in the mirrior and saw it lock but didnt think to look at the passenger side.
     

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