GM Metro/Sprint 1985-1993 Repair Guide

Halfshafts

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REMOVAL & INSTALLATION



See Figure 1



Click image to see an enlarged view

Fig. Fig. 1: Halfshaft assembly and steering knuckle

  1. Remove the grease cap, the cotter pin and the halfshaft nut from both front wheels.
  2.  
  3. Loosen the wheel nuts.
  4.  
  5. Raise and support the vehicle safely.
  6.  
  7. Remove the front wheels.
  8.  
  9. Drain the transaxle fluid.
  10.  
  11. Using a prybar, pry on the inboard joints of the right and left hand halfshafts to detach the halfshafts from the snaprings of the differential side gears.
  12.  
  13. Remove the stabilizer bar mounting bolts and the ball joint stud bolt. Pull down on the stabilizer bar and remove the ball joint stud from the steering knuckle.
  14.  
  15. Pull the halfshafts out of the transaxle's side gear, first, and then from the steering knuckles.
  16.  

To prevent the halfshaft boots from becoming damaged, be careful not to bring them into contact with any parts. If any malfunction is found in the either of the joints, replace the joints as an assembly.

To install:
  1. To install, snap the halfshaft into the transaxle, first, and then into the steering knuckle.
  2.  
  3. Install ball joint and tighten nut to 44 ft. lbs. (60 Nm). Install the cotter pin.
  4.  
  5. Install the stabilizer bar and tighten mount bolts to 32 ft. lbs. (43 Nm).
  6.  
  7. Install the halfshaft nut and tighten to 129 ft. lbs. (175 Nm).
  8.  
  9. Fill the transaxle with fluid.
  10.  
  11. Install the front wheels.
  12.  
  13. Lower the vehicle.
  14.  

CV-JOINT OVERHAUL



See Figure 2

Do not disassemble the wheel side (outboard joint). If damaged, replace it as an assembly. Do not disassemble the spider of the differential side joint. If damaged, replace the differential side joint assembly.

Disassembly
  1. Remove the boot band from the differential side joint
  2.  
  3. Remove the housing from the differential side joint.
  4.  
  5. Remove the snapring and then spider from shaft.
  6.  
  7. Remove inside and outside boots from shaft.
  8.  



Click image to see an enlarged view

Fig. Fig. 2: Halfshaft assembly overhaul

Inspection and Cleaning
  1. Check the boots for tears or deterioration. Replace as necessary.
  2.  
  3. Check the circlip, snapring, and boot bands for breakage or deformation. Replace as necessary.
  4.  
  5. Wash the disassembled parts in degreaser. After washing dry with compressed air.
  6.  
  7. Clean boots with a rag. Do not wash the boots in solvent.
  8.  
  9. Clean the spider of the differential side joint with a clean towel to prevent the needle bearing of the spider from being degreased. Do not wash the spider in solvent.
  10.  

Assembly
  1. Liberally apply the joint grease to the wheel side joint. Use the back joint grease in the tube included in the wheel side boot set or wheel side joint assembly.
  2.  
  3. Fit the wheel side boot on the shaft. Fill the inside of the boot with the joint grease then fix the boot bands.
  4.  
  5. Fit the differential side boot on the shaft.
  6.  
  7. Liberally apply the joint grease to the differential side joint. Use the yellow joint grease in the tube included in the differential side boot set or the differential side joint assembly.
  8.  
  9. Install the spider of the differential side joint on the shaft, facing its chamfered side to the wheel side joint.
  10.  
  11. After installing the spider, fit the snapring in the groove of the shaft.
  12.  
  13. Fill the inside of the differential side boot with the joint grease, then install the housing. Fix the boot to the housing with a boot band.
  14.  
  15. Check boots for distortion or dents and correct as necessary.
  16.  

 
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