GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 42371 Clutch Line Removal Tool

Removal Procedure


    Object Number: 102878  Size: SH
  1. Shift the transmission into the 3rd or 4th mechanical gear position.
  2. Remove the shift tower. Refer to Shift Tower Replacement in Manual Transmission-NV 3500.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Drain the transmission fluid.
  5. Remove the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement in Propeller Shaft.
  6. Disconnect the vehicle speed sensor electrical connector.
  7. Disconnect the back up switch electrical connector.
  8. Remove the wiring harness retainers from the right side of the transmission.
  9. Remove the catalytic converter. Refer to Catalytic Converter Replacement in Engine Exhaust.
  10. Remove the transfer case, if equipped. Refer to Transfer Case Assembly Replacement in Transfer Case.

  11. Object Number: 33768  Size: SH
  12. Use the J 42371 to depress the white plastic sleeve on the quick connect and separate the clutch line from the concentric slave cylinder quick connect.
  13. Support the transmission with a transmission jack.
  14. Remove the transmission support. Refer to Transmission Support Replacement in Frame and Underbody.
  15. Remove the clutch housing cover bolts.
  16. Remove the clutch housing cover from the transmission.
  17. Remove the wiring harness from the front crossmember.
  18. Lower the transmission enough to gain access to the top of the transmission.
  19. Remove the fuel line retainers from the top of the transmission.

  20. Object Number: 33764  Size: SH
  21. Remove the bolt, the washer, and the nut securing the wiring harness ground wires to the engine block.
  22. Remove the transmission to engine bolts.
  23. Lower the transmission using the transmission jack.

Installation Procedure

  1. Raise the transmission using the transmission jack.
  2. Place the fuel line retainers on top of the transmission.

  3. Object Number: 33764  Size: SH
  4. Install the transmission to the engine.
  5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6. Install the transmission to engine bolts.
  7. Tighten
    Tighten the transmission to engine bolts to 47 N·m (35 lb ft).

  8. Install the bolt, the washer and the nut securing the wiring harness ground wires to the engine block.
  9. Tighten
    Tighten the ground wire nut and bolt to 47 N·m (35 lb ft).

  10. Install the wiring harness to the front crossmember.
  11. Install the clutch housing cover to the transmission.
  12. Install the clutch housing cover bolts.
  13. Tighten
    Tighten the clutch housing cover bolts to 10 N·m (89 lb in).

  14. Install the transmission support. Refer to Transmission Support Replacement in Frame and Underbody.
  15. Remove the transmission jack from the transmission.

  16. Object Number: 33768  Size: SH
  17. Install the hydraulic clutch line to the concentric slave cylinder quick connect.
  18. Install the transfer case if equipped. Refer to Transfer Case Assembly Replacement in Transfer Case.
  19. Install the catalytic converter. Refer to Catalytic Converter Replacement in Engine Exhaust.

  20. Object Number: 102878  Size: SH
  21. Install the wiring harness retainers to the right side of the transmission.
  22. Connect the back up switch electrical connector.
  23. Connect the vehicle speed sensor electrical connector.
  24. Install the propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement in Propeller Shaft.
  25. Fill the transmission fluid. Refer to Fluid Replacement .
  26. Lower the vehicle.
  27. Install the shift tower. Refer to Shift Tower Replacement .
  28. Bleed the clutch system. Refer to Hydraulic Clutch Bleeding in Clutch.