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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1037 (Disc Brake System) >> Repair Instructions >> Brake Rotor Replacement - Rear (Except Dual Wheels or NYS) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Release the park brake.
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  4. Mark the relationship of the rotor to the hub.
  5. Install a C-clamp over the body of the brake caliper, with the C-clamp ends against the rear of the caliper body and the outboard disc brake pad.
  6. Slowly tighten the C-clamp until the pistons are pushed into the caliper bores enough to remove the caliper from the pads.
  7. Remove the C-clamp from the caliper.
  8. Remove the brake caliper bracket mounting bolts.
    9. NOTE: Support the brake caliper with heavy mechanic's wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.
  9. Remove the brake caliper and brake caliper bracket as an assembly and support with heavy mechanic's wire or equivalent. DO NOT disconnect the hydraulic brake flexible hose from the caliper.
    10. Fig 1: View Of Brake Caliper & Brake Caliper Bracket
    GM924321Courtesy of GENERAL MOTORS CORP.
  10. Remove the rotor retaining push nuts from the wheel studs, if applicable.
  11. It may be necessary to strike the end of the hub or the rotor with a deadblow hammer to separate the rotor from the hub.
  12. Remove the brake rotor. Do not force the rotor off. If the rotor is difficult to remove, ease it off by gently rotating it as you pull outward.
    13. Fig 2: Removing Rear Brake Rotor (Except Dual Wheels or NYS)
    GM686151Courtesy of GENERAL MOTORS CORP.
  13. If the brake rotor cannot be removed perform the following:
    1. Assemble J-46277  to J 2619-01  .
    2. Insert J-46277  between the rotor friction surfaces in the vent section of the rotor.

      DO NOT place the J-46277  on the rotor friction surface.

    3. Using J-46277  and J 2619-01  remove the rotor from the hub assembly.
    4. Inspect the park brake components for the following conditions:
      • Bent or broken hold down spring
      • Broken, cracked or worn brake shoe lining
      • Bent or damaged brake shoe
      • Worn, bent or damaged backing plate
    5. If any of these conditions are found replace the affected parts.
    14. Fig 3: J-46277 Rotor Removal Tool
    GM1471360Courtesy of GENERAL MOTORS CORP.
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