Question about 2000 GMC Sierra 3500

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Remove front Brake Rotor

I can't get the front rotor off my 3500 GMC Seirra Year 2000. can you help

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  • joeoj May 10, 2009

    I have the caliper's off .I also removed the 35mm nut that holds the drive shaft inplace. I believe I must remove the four bolts that hold the spindle assembly . Then the rotor could be removed from the back side. This seems to be extreme tear down fore rotor replacement. would this be the right procedure?

  • joeoj May 13, 2009

    Hi ,sorry didn't won't to sound rude.

    I did get the rotors off. The spindle hubs do have to be removed from the truck. Then the rotors slide over the bearing hub side of the spindle. The wheel studs are pressed into the rotor and then through the spindle. It was a tough job . Would never have guest such a design. For all who added in this session did in one way or anther helped.

    Thank You.



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Try opening up the caliper with a flat screwdriver thru the opening in the middle of the housing.pry on the rotor and pull towards you to push the rotor back.That should loosen it up enough for you to get it of the rotor.If that dont work you probably got a stuck caliper and have to release the brake line and do the procedure again. GOOD LUCK

Posted on May 09, 2009

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  • Danny May 11, 2009

    NO you dont have to remove the four bolts that go thru the back that just holds the hub assembly.I had this problem before and know exactly what it is.The rotor is rusted on and you have to spray it with wd40 or something similar.Next you have to hit it with a heavy hammer hard all around from the inside towards out.The rotors center hole is precision size to the hub and they always seem to seize together.I am pretty sure that this solves your problem.GOOD LUCK

  • Danny May 13, 2009


  • Danny May 14, 2009

    Dam I didnt know it was a 4x4 well sorry about that well sometimes learning is knowing good luck



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  2. Raise and support the vehicle.
  3. Remove the tire and wheel assembly.
  4. Remove the front wheel hub extension (dual wheel vehicles only).
    • Insert a drift or large screwdriver through the brake caliper into one of the brake rotor vanes in order to prevent the rotor from turning.
    • Mark the relationship of the front wheel hub extension to the hub
    • Remove the front wheel hub extension bolts
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  5. Mark the relationship of the rotor to the hub.
  6. Remove the caliper and mounting bracket as an assembly.
  7. Hang the caliper and the mounting bracket assembly from the suspension using mechanics wire.
  8. Remove the rotor.
  9. If the rotor is difficult to remove due to corrosion in the hub area use the following procedure to remove the rotor (25 series only).
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    • Generously apply penetrating oil or the equivalent to the hub/rotor area
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To install:
  1. Clean all rust and contaminants from the both side of the rotor and the hub flange.
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  2. Install the rotor.
  3. Install the caliper and the mounting bracket as an assembly.
  4. Install the tire and wheel assembly.
  5. Remove the safety stands.
  6. Lower the vehicle.

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