GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 45341 Rear Wheel Drive Shaft Removal Tool
    •  SA9173G Slide Hammer
    • SA91112T Axle Seal Protector

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the RH tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
  3. Disconnect the stabilizer shaft link. Refer to Stabilizer Shaft Link Replacement.
  4. Disconnect the outer tie rod assembly from the steering knuckle. Do NOT loosen the tie rod adjustment jamb nut. Refer to Steering Linkage Outer Tie Rod Replacement.
  5. Rotate the steering knuckle to access the wheel drive shaft inner joint.
  6. Assemble the J 45341 and the SA9173G to the wheel drive shaft inner tripot housing assembly.

  7. Object Number: 1394758  Size: SH
  8. Using the J 45341 and the SA9173G , separate the wheel drive shaft from the intermediate drive shaft.
  9. Reposition and support the wheel drive shaft from the intermediate drive shaft.
  10. Inspect the wheel drive shaft-to-intermediate drive shaft seal (1) for excessive wear, damage, and/or contamination and replace if necessary.

  11. Object Number: 1394760  Size: SH
  12. Disconnect the electrical connector from the vehicle speed sensor.
  13. Remove the rear, or LH intermediate drive shaft bracket-to-engine block bolts, and remove the vehicle speed sensor with the bracket.

  14. Object Number: 1394762  Size: SH
  15. Remove the remaining intermediate shaft bracket-to-engine block bolt (2).
  16. Using care to not damage the transaxle output shaft seal (1), remove the intermediate drive shaft assembly.
  17. Inspect the transaxle output shaft seal (1) for damage and/or contamination and replace if necessary. Refer to Axle Seals Replacement for the MU3 Transaxle.

Installation Procedure


    Object Number: 1394762  Size: SH
  1. Install the SA91112T into the transaxle output shaft seal (1).
  2. Install the intermediate drive shaft into the transaxle until the drive shaft splines are past the seal (1), remove the SA91112T , then fully install the drive shaft.
  3. Install, but do NOT tighten the intermediate drive shaft bracket-to-engine block forward, or RH bolt (2).

  4. Object Number: 1394760  Size: SH
  5. Position the vehicle speed sensor with the bracket to the intermediate drive shaft bracket, and install but do NOT tighten the remaining intermediate drive shaft bracket-to-engine block bolts.
  6. Caution: Refer to Fastener Caution in the Preface section.

  7. Tighten the intermediate drive shaft bracket-to-engine block bolts, beginning with the upper bolt.
  8. Tighten the bolts to 50 N·m (37 lb ft).

  9. Connect the electrical connector to the vehicle speed sensor.

  10. Object Number: 1394758  Size: SH
  11. Apply a very small amount of grease, GM P/N 1051344 (Canadian P/N 993037), or equivalent to the splines of the wheel drive shaft inner joint.
  12. Install the wheel drive shaft into the intermediate drive shaft (1).
  13. Verify that the wheel drive shaft is properly engaged:
  14. • Grasp the inner tripod housing and pull the inner housing outward. Do NOT pull on the wheel drive axle shaft.
    • The wheel drive shaft will remain firmly in place when properly engaged.
  15. Connect the outer tie rod assembly to the steering knuckle. Refer to Steering Linkage Outer Tie Rod Replacement.
  16. Connect the stabilizer shaft link. Refer to Stabilizer Shaft Link Replacement.
  17. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
  18. Lower the vehicle.
  19. Inspect the transaxle fluid level.