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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 847 (Front Suspension System) >> Repair Instructions >> Wheel Hub, Bearing, and Seal Replacement (4WD) >> Removal Procedure

Removal Procedure

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  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 in Disc Brakes.
  4. Remove the wheel speed sensor and brake hose mounting bracket bolt from the steering knuckle.
    Fig 1: Removing Wheel Speed Sensor & Brake Hose Mounting Bracket Bolt From Steering Knuckle
    G01455471Courtesy of GENERAL MOTORS CORP.
  5. Remove the wheel drive shaft nut retaining cover.
    Fig 2: Removing Wheel Drive Shaft Nut Retaining Cover
    G01455472Courtesy of GENERAL MOTORS CORP.

    Important:  Do not reuse the nut. A new nut must be used when installing the wheel drive shaft.

  6. Remove the wheel driveshaft assembly retaining nut (2) and washer (3) from the wheel driveshaft.
    Fig 3: Removing Wheel Driveshaft Assembly Retaining Nut & Washer From Wheel Driveshaft
    G01455473Courtesy of GENERAL MOTORS CORP.
  7. Disengage the wheel drive shaft from the wheel hub and bearing using J 45859  or equivalent.
    Fig 4: Disengaging Wheel Drive Shaft From Wheel Hub & Bearing Using J 45859
    G01455474Courtesy of GENERAL MOTORS CORP.
  8. Remove the wheel hub and the 15-series bearing mounting bolts (4).
    Fig 5: Removing Wheel Hub & 15-Series Bearing Mounting Bolts
    G01455475Courtesy of GENERAL MOTORS CORP.
  9. Remove the wheel hub and bearing (4) mounting bolts, 25/35 series.
  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
    Fig 6: Removing Wheel Hub & Bearing Mounting Bolts, 25/35 Series
    G01455476Courtesy of GENERAL MOTORS CORP.
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