GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 TrailBlazer - 4WD 🢒 Suspension 🢒 Front Suspension 🢒 Upper Control Arm Ball Joint Replacement

Tools Required

    • J 9519-E Lower Ball Joint Remover and Installer
    • J 21474-01 Control Arm Bushing Set
    • J 45117 Ball Joint Installation Spacer

Removal Procedure

    Object Number: 744335 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  3. Remove the steering knuckle with wheel hub attached. Refer to Steering Knuckle Replacement .
  4. Remove the upper ball joint retaining clip.

    5. Object Number: 744330 Size: SH
  5. Remove the upper ball joint boot.
  6. Remove the upper ball joint from the steering knuckle using J 9519-E .

Installation Procedure

    Object Number: 744332 Size: SH
  1. Install the upper ball joint to steering knuckle using J 9519-E , J 21474-01 , and J 45117 .

    2. Object Number: 744335 Size: SH
  2. Install the upper ball joint retaining clip.
  3. Install the steering knuckle with wheel hub attached. Refer to Steering Knuckle Replacement .
  4. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  5. Lower the vehicle.
  6. Check the front wheel alignment. Refer to Wheel Alignment Specifications .