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85 3500 wheel locked up

Discussion in 'Chevy Trucks' started by JD_F250, Dec 10, 2010.

  1. JD_F250

    JD_F250 Junior Member
    from WI
    Messages: 26

    Hey guys. not sure if this is the right place to ask, but... my friend has an 85 3500 SRW. He went to plow last night and one of his rear tires would not move when moving forward. In reverse it rotated fine. He thought it might be the rear diff but my thinking is that if it was the diff, both wheels would be affected. What do you guys think? Brakes maybe?
     
  2. Detroitdan

    Detroitdan PlowSite.com Addict
    Messages: 1,937

    First guess would be broken axle. I suppose you could break something in the brakes that would bind and lock up the whel in one direction only, and a differential gear might do the same thing, but my money is on broken axle. Something that broke would have to be bound up inside to cause it to lock up. Otherwise it would freewheel in either direction.
     
  3. damian

    damian Senior Member
    Messages: 330

    his caliper bracket bolt probably came out. have him check that first.these bolts are locktite from the factory almost nobody does it at a brake job. i find this problem a few times a year the caliper acts like a one way clutch inside the rim depending on which bolt fell out. let us know how you do.
     
  4. Detroitdan

    Detroitdan PlowSite.com Addict
    Messages: 1,937

    Considering that it's an 85 and it's a rear wheel, I'm going to have to rule out a caliper.
     
  5. Mister Plow

    Mister Plow Senior Member
    Messages: 139

    Sounds like it could be a brake issue. Either a broken shoe retainer, or a star wheel adjuster fell down. It can turn the brake into a one-way clutch depending on if its the leading shoe or the trailing shoe that is moving around.
     
  6. maverjohn

    maverjohn Senior Member
    Messages: 902

    I agree with Mister plow, sound like brakes locking up.
     
  7. JD_F250

    JD_F250 Junior Member
    from WI
    Messages: 26

    well we tore everything apart. its the brakes!
     
  8. maverjohn

    maverjohn Senior Member
    Messages: 902

    Glad to hear you have a easy fix do deal with, so what let go?
     
  9. Detroitdan

    Detroitdan PlowSite.com Addict
    Messages: 1,937

    I had a spring let go in my right rear brake once while plowing, didnt lock up or even slow me up, but it made a tremendously loud screeching sound only in reverse.
     
  10. JD_F250

    JD_F250 Junior Member
    from WI
    Messages: 26

    It was some dowel that holds the shoe. Alls good now