GM Storm/Spectrum 1985-1993 Repair Guide

Halfshafts

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REMOVAL & INSTALLATION



Spectrum

See Figure 1

  1. Raise and support the vehicle safely, allowing the wheels to hang.
  2.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of right drive axle - Spectrum

  1. Remove the front wheel assemblies, the hub grease caps, the hub nuts and the cotter pins.
  2.  
  3. Install the halfshaft boot seal protector tool J-28712 or equivalent, on the outer CV-joints and the halfshaft boot seal protector tool J-34754 or equivalent, on the inner Tri-Pot joints.
  4.  

Clean the halfshaft threads and lubricate them with a thread lubricant.

  1. Have an assistant depress the brake pedal, then remove the hub nut and washer.
  2.  
  3. Remove the caliper-to-steering knuckle bolts and support the caliper, on a wire, out of the way.
  4.  
  5. Remove the rotor. Remove the drain plug and drain the oil from the transaxle.
  6.  
  7. Using a slide hammer puller and the puller attachment tool J-34866 or equivalent, pull the hub from the halfshaft.
  8.  
  9. Remove the tie rod-to-steering knuckle cotter pin and the nut. Using the ball joint separator tool J-21687-02 or equivalent, press the tie rod ball joint from the steering knuckle.
  10.  
  11. Remove the lower ball joint-to-control arm nuts/bolts.
  12.  
  13. Swing the steering knuckle assembly outward and slide the halfshaft from the steering knuckle.
  14.  
  15. Place a large prybar between the differential case and the inboard constant velocity joint. Pry the halfshaft from the differential case.
  16.  
  17. Remove the halfshaft assembly.
  18.  

When installing the halfshaft, press it into the differential case until it locks with the snapring.

To install:
  1. Use new cotter pins and reverse the removal procedures.
  2.  
  3. Torque the ball joint-to-control arm nuts/bolts to 80 ft. lbs. (108 Nm), the caliper-to-steering knuckle bolts to 41 ft. lbs. (55 Nm) and the halfshaft-to-hub nut to 137 ft. lbs. (186 Nm).
  4.  
  5. Check and/or adjust the front alignment.
  6.  

Storm

See Figure 2



Click image to see an enlarged view

Fig. Fig. 2: Exploded view of drive axle - Storm

  1. Remove the wheel cover.
  2.  
  3. Loosen the wheel nuts.
  4.  
  5. Elevate and safely support the vehicle.
  6.  
  7. Remove the front wheel.
  8.  
  9. Install the halfshaft boot seal protector tool J-28712 or equivalent, on the outer CV-joints and the halfshaft boot seal protector tool J-34754 or equivalent, on the inner Tri-Pot joints.
  10.  
  11. Unstake the hub nut. Have an assistant depress the brake pedal, then remove the hub nut and washer.
  12.  
  13. Remove the lower control arm to ball joint attaching nuts and bolts.
  14.  
  15. Use a ball joint separator such as GM J-24319-01 or equivalent to remove the tie rod ball joint from the knuckle.
  16.  
  17. Remove the bolts holding the brake caliper bracket to the steering knuckle. Use stiff wire to suspend the caliper out of the way; do not let the caliper hang by its hose. Remove the brake disc.
  18.  
  19. Push the axle from the hub using a brass or plastic hammer.
  20.  

If the axle can not be separated from the hub using a brass or plastic hammer. Use a puller such as GM J-25287 or equivalent, to push the axle from the hub.

  1. Use a slide hammer and appropriate end fitting (GM J-2619-01 and J 35762 or equivalents) to pull the driveshaft from the transaxle. Remove the shaft from the vehicle.
  2.  

To install:
  1. Install halfshaft into transaxle.
  2.  
  3. Install the shaft into the wheel hub.
  4.  
  5. Install the lower control arm to the lower ball joint. Tighten the nuts and bolts to 115 ft. lbs. (156 Nm).
  6.  
  7. Install the tie rod end to the steering knuckle and tighten the nut to 40 ft. lbs. (54 Nm).
  8.  
  9. Install the brake disc; install the brake caliper and tighten the bolts to 65 ft. lbs. (88 Nm).
  10.  
  11. Install the wheel.
  12.  
  13. Install the hub nut and washer.
  14.  
  15. Lower the vehicle to the ground.
  16.  
  17. Tighten the wheel lugs to 76 ft. lbs. (103 Nm). Tighten the hub nut to 137 ft. lbs. (186 Nm).
  18.  
  19. Install the nut, cap, cotter pin and washer. Install the wheel cover.
  20.  

 
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