Question about 2002 Chevrolet TrailBlazer

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Lower ball joint removal how to

I would like to know how to remove lower ball joints from 2002 chev trailblazer step by step

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  1. Remove the steering knuckle with wheel hub and bearing attached.
  2. Remove the lower ball joint flange with a chisel.
  3. Install J9519-E and J34874 to the lower ball joint.
  4. Remove the lower ball joint from the lower control arm using J9519-E and J34874


  1. Install the lower ball joint and J9519-E, J41435, and J45105-2 to the lower control arm.
  2. Install the lower ball joint to the lower control arm using J9519-E, J41435, and J45105-2.
  3. Remove J9519-E, J41435, and J45105-2 from the lower control arm
    1. Install J9519-E and J45105-1 to the lower ball joint.
    2. Flare the lower ball joint flange using J9519-E and J45105-1.
    3. Remove J9519-E and J45105-1 from the lower ball joint.
    4. Install the steering knuckle with wheel hub and bearing attached. Install the tire and wheel.
    1. Lower the vehicle.
    2. Check the front wheel alignment.
these jouints are pressed in and there is a flange that is flared this is what the tool numbers refer too.

Posted on Sep 12, 2008

  • disciplemc May 15, 2010

    Looks like the procedure that is directly taken from the GM SI ( Service Information)
    Haven't tried it yet but suspect that you can replace the joint without having to remove the steering knuckle, you can buy a universal ball joint press kit for doing this work. Ball joints are tightly pressed in and can be very difficult to remove, you can sometimes adapt a bench vice and short lengths of pipe or large sockets to do the job, a hammer strike on the press while under pressure may help to start it moving.

  • Brian Burnett
    Brian Burnett Feb 20, 2014

    with the VY model they Press In Very deaply . and Might take Alot More than A few ton Jack to Press Out, . Id make a Home build press frame, weld up to do the Job if i can find pipe or socket to go Over it as you need to press with .

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zeevert_15.jpgzeevert_16.jpg

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