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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1041 (Front Suspension System) >> Repair Instructions >> Wheel Hub, Bearing, and Seal Replacement (4WD) >> 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. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the rotor. Refer to Brake Rotor Replacement - Front in Disc Brakes.
    4. Fig 1: View Of Retaining Bolts For Brake Hose And Wheel Speed Sensor Brackets
    GM367084Courtesy of GENERAL MOTORS CORP.
  4. Remove the wheel speed sensor and brake hose mounting bracket bolt from the steering knuckle.
    5. Fig 2: Removing The Wheel Drive Shaft Nut Retaining Cover (4WD)
    GM673322Courtesy of GENERAL MOTORS CORP.
  5. Remove the wheel drive shaft nut retaining cover.
    6. IMPORTANT: Do not reuse the nut. A new nut must be used when installing the wheel drive shaft.
    Fig 3: Removing Wheel Driveshaft Assembly Retaining Nut And Washer (4WD)
    GM320653Courtesy of GENERAL MOTORS CORP.
  6. Remove the wheel driveshaft assembly retaining nut (2) and washer (3) from the wheel driveshaft.
  7. Disengage the wheel drive shaft from the wheel hub and bearing using J 45859  or equivalent.
    Fig 4: Disengaging The Wheel Drive Shaft From The Wheel Hub And Bearing (4WD)
    GM870456Courtesy of GENERAL MOTORS CORP.
  8. Remove the wheel hub and the 15-series bearing mounting bolts (4).
    Fig 5: Remove The Wheel Hub Mounting Bolts (4WD, 15-Series)
    GM379486Courtesy of GENERAL MOTORS CORP.
  9. Remove the wheel hub and bearing (4) mounting bolts, 25/35 series.
    Fig 6: Identifying Brake/Hub Components
    GM379487Courtesy of GENERAL MOTORS CORP.
  10. Remove the wheel hub and bearing and splash shield from the vehicle.
  11. Remove the O-ring seal from the steering knuckle bore, 25/35 series.
  12. Remove the wheel speed sensor mounting bolt (5).
  13. Clean and inspect the O-ring seal, 25/35 series.
  14. Replace the seal if the following conditions exist:
    • Nicks
    • Cuts
    • Dry or brittle
    • Compression set
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