S10 Pickup, Sonoma 2000-2004

Halfshafts

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Removal & Installation



  1. Unlock the steering column so the steering linkage is free to move.
  2.  
  3. Remove the front wheel and tire assemblies.
  4.  
  5. Insert a drift through the brake caliper and into one of the rotor vanes to prevent the drive axle from turning.
  6.  
  7. Remove the axle nut and washer. Remove the drift from the brake rotor.
  8.  
  9. Remove the front brake rotors and support the caliper with a piece of wire in order to prevent damage to the brake hose.
  10.  
  11. Remove the brackets from the upper control arm holding both the Anti-lock Brake System (ABS) wire and the brake hose.
  12.  
  13. Remove the ABS bracket located on the top of the upper control arm ball joint.
  14.  
  15. Strap the frame securely to the hoist in order to prevent movement.
    NOTE
    Be careful that the jackstand does not damage or bend any components it may contact.

  16.  
  17. Position a jackstand under the lower control arm. Support the weight of the steering knuckle assembly and lower control arm with a jackstand.
  18.  
  19. Disengage the wheel drive shaft from the hub by placing a brass drift against the outer end of the drive axle in order to protect the threads. Sharply strike the brass drift with a hammer. Do not attempt to remove the axle at this time.
  20.  
  21. Support the steering knuckle and assembly with a piece of wire in order to prevent damage to the outer tie rod and ABS wire.
  22.  
  23. Remove the upper ball joint.
  24.  
  25. Remove the lower part of shock absorber.
    NOTE
    After the lower ball joint is loose from the knuckle, push the axle shaft in toward the differential carrier in order to allow room for the knuckle and assembly to be removed.

  26.  
  27. Remove the lower ball joint.
    NOTE
    Lower the safety stand from the lower control arm in order to relieve the pressure of the torsion bar and in order to allow for clearance.


    WARNING
    Be careful not to damage the axle seal during removal of the differential carrier shield.



    Remove the axle from the steering knuckle assembly.
     

  28.  
  29. Remove the front differential carrier shield.
  30.  
  31. Disconnect the left side halfshaft from the differential carrier by placing a block of wood or a brass drift against the tripot housing. Firmly strike the block of wood outward from the case with a hammer. Strike hard enough to overcome the snapring pressure holding in the shaft. Disconnect the right side halfshaft in the same manner.

    Click image to see an enlarged view

    Fig. To separate the halfshaft, place a block of wood against the tripot housing. Firmly strike the block of wood outward from the case with a hammer

  32.  
  33. Pull the axle straight out from the differential carrier. Support the drive axle so the boot does not get torn.
    CAUTION
    To prevent personal injury and/or component damage, do not allow the weight of the vehicle to load the front wheels, or attempt to operate the vehicle, when the halfshaft(s) or wheel drive shaft nut(s) are removed. To do so may cause the inner bearing race to separate, resulting in damage to brake and suspension components and loss of vehicle control.

  34.  
  35. Remove the halfshaft (drive axle).
  36.  

To install:

  1. Install the halfshaft to the differential carrier, as follows:
    1. With both hands on the tripot housing, align the splines on the shaft with the differential carrier.
    2.  
    3. Center the drive axle into the differential carrier seal.
    4.  
    5. Firmly push the shaft straight into the differential carrier until the snapring seats into place.
    6.  

  2.  
  3. Raise the safety stand to support the weight of the lower control arm.
    NOTE
    It will be necessary to slightly start the knuckle onto the drive axle while simultaneously guiding the lower ball stud to its proper location on the steering knuckle.

  4.  
  5. Install the lower ball joint.
  6.  
  7. Install the lower part of the shock absorber.
  8.  
  9. Install the upper ball joint.
  10.  
  11. Install the halfshaft/axle shaft washer and nut. Tighten to 103 ft. lbs. (140 Nm).
  12.  
  13. Install the ABS bracket located on the top of the upper control arm ball joint.
  14.  
  15. Install the brackets from the upper control arm holding both the ABS wire and the brake hose.
  16.  
  17. Install the front brake rotors.
  18.  
  19. Install the front differential carrier shield.
  20.  
  21. Remove the strap from the frame.
  22.  
  23. Install the front tire and wheel assemblies.
  24.  

 
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