Envoy, Rainer, Trailblazer 2006-2007

Lower Ball Joints

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Removal & Installation





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Fig. Remove the lower ball joint flange with a chisel



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Fig. Driving the lower joint from the control arm



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Fig. Installing a new ball joint


NOTE
This procedure requires the use of the following special tools: J 9519-E Lower Ball Joint Remover and Installer, J 34874 Booster Seal Remover/Installer, J 41435 Ball Joint Installer, J 45105-1 Ball Joint Flaring Adapter and J 45105-2 Receiver.

  1. On 4WD vehicles, remove the wheel center cap and drive axle nut.
  2.  
  3. Raise and support the vehicle.
  4.  
  5. Remove or disconnect the following:

    Tire and wheel
     
    Wheel hub and bearing, if necessary
     
    Outer tie rod retaining nut
     
    Out tie rod from the steering knuckle using a suitable puller
     
    Brake hose bracket retaining bolts and bracket
     
    Upper control arm-to-steering knuckle pinch bolt and nut
     
    Upper control arm from the steering knuckle
     
    Lower ball joint retaining nut
     
    Steering knuckle from the lower control arm using a suitable ball joint removal tool
     
    Steering knuckle from the vehicle
     
    Lower ball joint flange with a chisel
     

  6.  
  7. Install tools J 9519-E and J 34874 to the lower ball joint, then use those tools to remove the lower ball joint from the lower control arm.
  8.  

To install:

  1. Install or connect the following:

    Lower ball joint to the lower control arm, using tools J 9519-E, J 41435 and J 45105-2
     

  2.  
  3. Remove the tools from the lower control arm.

    Tools J 9519-E and J 45105-1 to the lower ball joint
     

  4.  
  5. Flare the lower ball joint flange with J 9519-E and J 45105-1, then remove the tools from the lower ball joint.

    Steering knuckle to the lower control arm
     
    Lower ball joint retaining nut and tighten to 81 ft. lbs. (110 Nm)
     
    Upper control arm to the steering knuckle
     
    Upper control arm pinch bolt and nut and tighten to 30 ft. lbs. (41 Nm)
     
    Brake hose bracket to the steering knuckle
     
    Brake hose bracket retaining nuts and tighten to 7 ft. lbs. (10 Nm)
     
    Outer tie rod to the steering knuckle
     
    Outer tie rod retaining nut and tighten to 33 ft. lbs. (45 Nm)
     
    Wheel hub and bearing, if removed
     
    Tire and wheel
     

  6.  
  7. Lower the vehicle

    Drive axle nut, if 4WD, and tighten to 103 ft. lbs. (140 Nm)
     
    Wheel center cap, if removed
     

  8.  
  9. Check the front wheel alignment.
  10.  

 
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