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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 916 (Front Suspension System) >> Repair Instructions >> Upper Ball Joint Replacement (4WD) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the upper ball joint to the upper control arm.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the upper ball joint retaining bolts and the nuts.

    Tighten 

    Tighten the upper ball joint retaining nuts to 23 N.m (17 lb ft).

    Fig 1: Installing Upper Ball Joint To Upper Control Arm
    G01467645Courtesy of GENERAL MOTORS CORP.
  3. Install the upper ball joint to the steering knuckle.
  4. Install the upper ball joint to steering knuckle retaining nut.

    Tighten 

    • Tighten the upper ball joint to steering knuckle retaining nut to 83 N.m (61 lb ft).
    • Tighten the upper ball joint to steering knuckle retaining nut in order to align for the cotter pin. Do not tighten the nut more than 1/6 turn.
  5. Install the new cotter pin to the upper ball joint stud. Bend the pin ends against the nut.
    Fig 2: Installing Upper Ball Joint To Steering Knuckle
    G01467646Courtesy of GENERAL MOTORS CORP.
  6. Connect the wheel speed sensor wiring harness bracket and brake hose bracket to the upper control arm.
  7. Install the wheel speed sensor wiring harness bracket and brake hose bracket mounting bolt and nut.

    Tighten 

    Tighten the wheel speed sensor bracket and brake hose bracket mounting nut to 24 N.m (18 lb ft).

  8. Load the torsion bar. Refer to TORSION BAR AND SUPPORT ASSEMBLY REPLACEMENT .
  9. Install the tire and the wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  10. Lower the vehicle.
  11. Check the front wheel alignment. Refer to WHEEL ALIGNMENT SPECIFICATIONS in Wheel Alignment.
    Fig 3: Wheel Speed Sensor Wiring Harness Bracket & Brake Hose Bracket
    G01467647Courtesy of GENERAL MOTORS CORP.