GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 GMC K Pickup - 4WD 🢒 Engine 🢒 Engine Electrical 🢒 Transmission Replacement

Tools Required

J 42371 Quick Connect Disengagement Tool

Removal Procedure
  1. Shift the transmission into 3rd or 4th speed gear.
  2. Remove the shift lever. Refer to Shift Lever Replacement .
  3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Drain the transmission oil. Refer to Fluid Replacement .
  5. If equipped with a transfer case, remove the front propeller shaft. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
  6. Remove the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement , to Two-Piece Propeller Shaft Replacement or to Three-Piece Propeller Shaft Replacement in Propeller Shaft.
  7. Remove the exhaust cross over pipe. Refer to Exhaust Crossover Pipe Replacement in Engine Exhaust.

    8. Object Number: 102888 Size: SH
  8. Use the J 42371 , push back on the white plastic sleeve on the quick connect in order to separate the hydraulic clutch line from the concentric slave cylinder quick connect.
  9. Disconnect the wiring harness and connector from the vehicle speed sensor, backup lamp switch, and transmission harness retainers.

    10. Object Number: 395609 Size: SH
  10. Remove the four bolts securing the clutch housing cover to the transmission.

    11. Object Number: 395613 Size: SH
  11. Remove the bolt securing the left side transmission to engine cover.

    12. Object Number: 395616 Size: SH
  12. Remove the bolt securing the right side transmission to engine cover.
  13. Remove the transmission rear mount.
  14. Support the transmission with a transmission jack.

    15. Object Number: 395606 Size: SH
  15. Remove the bolts and studs securing the transmission to the engine.
  16. Pull the transmission straight back on the clutch hub splines. Do not let the transmission hang from the clutch plate and the clutch cover.
  17. Remove the transmission from the vehicle.

Installation Procedure

    Object Number: 395606 Size: SH
  1. Install the transmission:
    2. 1.1. Ensure the transmission is positioned in the 3rd or 4th speed gear.
    1.2. Rotate the transmission clockwise onto the clutch hub splines.

    Notice: Refer to Fastener Notice in the Preface section.

    1.3. Install the bolt and the studs securing the transmission to the engine.

    Tighten
    Tighten the bolts to 50 N·m (37 lb ft).


    Object Number: 395616 Size: SH
  2. Install the bolt securing the right side transmission to engine cover.

    3. Tighten
    Tighten the bolt to 14 N·m (10 lb ft).


    Object Number: 395613 Size: SH
  3. Install the bolt securing the left side transmission to engine cover.

    4. Tighten
    Tighten the bolt to 14 N·m (10 lb ft).


    Object Number: 395609 Size: SH
  4. Install the four bolts securing the clutch cover to the transmission.

    5. Tighten
    Tighten the bolt to 14 N·m (10 lb ft).

  5. Install the transmission rear mount.
  6. Install the clutch line to the concentric slave cylinder. Refer to Clutch Concentric Actuator Cylinder Replacement in Clutch.
  7. Install the exhaust cross over pipe. Refer to Exhaust Crossover Pipe Replacement in Engine Exhaust.
  8. Install the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement , to Two-Piece Propeller Shaft Replacement or to Three-Piece Propeller Shaft Replacement in Propeller Shaft.
  9. If equipped with a transfer case, install the front propeller shaft. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
  10. Fill the transmission with oil. Refer to Fluid Replacement .
  11. Lower the vehicle.
  12. Install the shift lever. Refer to Shift Lever Replacement .