S&T Series Blazer, Bravada, Envoy, Jimmy, Rainier, Trailblazer, Xtreme

Removal & Installation

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2000-01 Vehicles



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Unlock the steering column so the steering linkage is free to move.
  4.  
  5. Remove or disconnect the following:
    NOTE
    Place a drift through the caliper into the edge of the rotor to keep the rotor from turning when the nut is removed.



    Negative battery cable
     
    Front wheels
     



    Cotter pin, retainer, nut and washer.
     
    Brake caliper and support it with a piece of wire to avoid damaging the brake hose
     
    Brake rotor
     
    Brake line support bracket and Anti-lock Brake System (ABS) wire bracket from the upper control arm
     

  6.  
  7. Place a jackstand or jack under the lower control arm.

    Axle shaft from the hub by placing a block of wood against the outer edge of the axle (to protect the threads), then strike the block of wood sharply with a hammer. Do not remove the axle at this time.
     
    Tie rods from the steering knuckles
     
    Lower shock absorber bolts
     
    Upper ball joint from the steering knuckle and suspend the steering knuckle on a wire
     
    Skid plate, if equipped
     
    Halfshaft-to-axle tube bolts

    Click image to see an enlarged view

    Fig. Halfshafts and related components



    Click image to see an enlarged view

    Fig. Tap the halfshaft out of the hub without damaging the threads

     
    Halfshaft by moving it forward and supporting it away from the frame
     
    Halfshaft from the hub and bearing assembly
     
    Halfshaft from the differential using a block of wood and a hammer
     

  8.  

To install:


NOTE
It is essential that the differential carrier and axle seals are not lubricated or damaged during installation. Prior to shaft installation, cover the shock mounting bracket, lower control arm ball stud and ALL other sharp edges with a cloth or rag to help protect the boot.

  1. Install the axle into the carrier. With both hands on the tripot housing, align the splines on the shaft with the carrier. Then center the axle into the carrier seal and push the shaft straight into the carrier until the snapring is properly seated.
    NOTE
    Be careful when supporting the lower control arm that any components are damaged with the supporting device.

  2.  
  3. Raise the lower control arm using a jackstand or jack until the full weight of the arm is supported.
    NOTE
    It is necessary to slightly start the knuckle onto the axle while at the same time guiding the lower ball joint into position on the knuckle.

  4.  
  5. Install or connect the following:

    Lower ball joint, the lower shock absorber and the upper ball joint
     
    Axle washer and nut. Tighten the nut to 103 ft. lbs. (140 Nm).
     
    ABS and brake line brackets to the top of the upper control arm
     
    Caliper and rotor
     
    Tire and wheel assembly
     
    Differential carrier shield

    Click image to see an enlarged view

    Fig. Using a block of wood and a mallet, disengage the halfshaft from the differential assembly

     

  6.  

2002-05 Vehicles



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:
    NOTE
    Place a drift through the caliper into the edge of the rotor to keep the rotor from turning when the nut is removed



    Front wheel
     



    Wheel center cap, if equipped
     
    Halfshaft nut and discard. A new nut must be used for installation.
     
    Drift from the rotor
     
    Brake caliper and support it with a piece of wire to avoid damaging the brake hose
     
    Brake rotor
     

  4.  
  5. To remove the steering knuckle, remove or disconnect the following:

    Wheel hub and bearing
     
    Outer tie rod retaining nut
     
    Outer tie rod end from the steering knuckle using a puller
     
    Brake hose bracket retaining bolts
     
    Brake hose bracket
     
    Anti-lock Brake System (ABS) wheel speed sensor wiring harness bracket, if necessary
     
    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 control arm using a puller
     
    Steering knuckle
     

  6.  
  7. Remove the left side halfshaft from differential carrier, or right halfshaft from the clutch fork housing as follows:
    1. Place a brass drift against the tripot housing.
    2.  
    3. Use a hammer to strike the drift outward from the case, striking hard enough to overcome the snapring tension holding the halfshaft.
    4.  

  8.  
  9. Pull the halfshaft straight out of the differential carrier or clutch fork housing.
  10.  

To install:

  1. Install the halfshaft as follows:
    1. With both hands on the tripot housing, align the splines on the shaft with the differential carrier assembly (left) or clutch fork housing (right).
    2.  
    3. Center the halfshaft into the differential carrier or clutch fork housing assembly seal.
    4.  
    5. Firmly push the shaft straight into the differential carrier or clutch fork housing assembly until the snapring is properly seated.
    6.  

  2.  
  3. To install the steering knuckle, install or connect the following:

    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. (40 Nm)
     
    ABS wheel speed sensor harness bracket
     
    Brake hose bracket. Tighten the bolts to 7 ft. lbs. (10 Nm).
     
    Outer tie rod to the steering knuckle and tighten the nut to 33 ft. lbs. (45 Nm)
     
    Hub and bearing
     

  4.  
  5. Install or connect the following:

    New halfshaft nut and tighten to 103 ft. lbs. (140 Nm)
     
    Wheel
     

  6.  
  7. Lower the vehicle. Adjust the front toe.
  8.  

 
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