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WOW WHAT IS THIS NOISE

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by mxrcr589, Sep 30, 2003.

  1. mxrcr589

    mxrcr589 1/2 ton status

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    poop
    alright what is this noise? when i put my truck in reverse and back up , and then put it back in drive, about 50 feet or so driving forward there are big pops, and like the whole truck seens to jump, i really cant tell where it comes from becasue they r so big, i have a 700r4 which doesnt have much more life in it, im hopeing its that , but what else could it be, cuz it only does it after being in reverse, someone told me it could be my auto hubs , but i dont think thats what it is , does anyone what to take a guess?? thanks
     
  2. MTBLAZER89

    MTBLAZER89 3/4 ton status Premium Member GMOTM Winner

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    Could be those auto hubs. Sounds like something in the drivetrain for sure. I know when my autos went bad they would try and engage while ai was driving /forums/images/graemlins/eek.gif Not a good sound.
     
  3. Confedneck

    Confedneck 3/4 ton status

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    well pull the covers off the hubs and pull the springs out and see what happens..
     
  4. Blue85

    Blue85 Troll Premium Member

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    Easy to check. Just take the hubs out and drive down the street a little ways with no hubs. Just don't drive through any mudpuddles or go a long ways or you could get junk in your wheel bearings.
     

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