Envoy, Rainer, Trailblazer 2006-2007

Upper Ball Joints

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Removal & Installation




NOTE
This procedure requires the use of the following special tools: J 9519-E Lower Ball Joint Remover and Installer, J 21474-01 Control Arm Bushing Set and J 45117 Ball Joint Installation Spacer.

  1. Raise and safely support the front of the vehicle securely on jackstands.
  2.  
  3. Remove the tire and wheel.
  4.  
  5. Remove the steering knuckle with wheel hub attached.
  6.  
  7. Remove the upper ball joint retaining clip.
  8.  
  9. Remove the upper ball joint boot.
  10.  
  11. Remove the upper ball joint from the steering knuckle using J-9519-E.

    Click image to see an enlarged view

    Fig. Remove the upper ball joint boot



    Click image to see an enlarged view

    Fig. Remove the upper ball joint from the steering knuckle using J-9519-E

  12.  

To install:

  1. Install the upper ball joint to steering knuckle using J-9519-E, J-21474-01, and J-45117 .
  2.  
  3. Install the upper ball joint retaining clip.
  4.  
  5. Install the steering knuckle with wheel hub attached.
  6.  
  7. Install the tire and wheel.
  8.  
  9. Lower the vehicle.
  10.  
  11. Check the front wheel alignment.
  12.  

 
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