Removal Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Shift the transmission into 3rd or 4th gear.
- Remove the shift lever assembly. Refer to Shift Lever Assembly Replacement .
- Drain the transmission fluid.
- If vehicle is a 2 wheel drive (2WD), remove the propeller shaft. Refer to Propeller Shaft Replacement - One Piece or Propeller Shaft Replacement - Two Piece in Propeller Shaft.
- If vehicle is a 4 wheel drive (4WD), remove the transfer case. Refer to Transfer Case Assembly Replacement in Transfer Case - NVG 236/246-NP8 (Two Speed Automatic) or Transfer Case Assembly Replacement in Transfer Case - NVG 261-NP2 (Two Speed Manual).
- Using J 42371 , push back on the white plastic sleeve on the quick connect in order to separate the hydraulic clutch line from the clutch actuator quick connect.
- Disconnect the following engine wiring harness electrical connectors:
- Vehicle speed sensor (VSS) (1)
- Backup lamp switch (3)
- Oxygen sensor (4)
- Remove the engine harness clips from the fuel feed/return line clips and transmission.
- If equipped with 4WD, remove the clamp securing the harness to the fuel feed/return pipe bracket.
- If equipped with 4WD, remove the vent hose clip from the bracket.
- If equipped with 4WD, remove the vent hose clip (1) from the fuel feed/return hose bracket.
- If equipped with 4WD, remove the fuel feed/return hose clip from the bracket.
- Remove the starter motor. Refer to Starter Motor Replacement (4.3L Engine) or Starter Motor Replacement (4.8L, 5.3L, and 6.0L Engines) or Starter Motor Replacement (6.6L (LB7) Engine) or Starter Motor Replacement (6.6L (LLY) Engine) or Starter Motor Replacement (8.1L Engine) in Engine Electrical.
- If equipped with the 4.3L engine, remove the transmission cover bolts.
- Support the transmission using a suitable transmission jack.
- Remove the transmission support crossmember. Refer to Transmission Support Replacement in Frame and Underbody.
- Remove the bolts securing the bottom right side of the transmission to the engine. Bolt (1) secures the transmission cover on 4.3L engine only.
- Remove the transmission cover.
- Remove the stud securing the right side of the transmission to the engine.
- Remove the transfer case vent hose clip bracket nut and bracket.
Courtesy of GENERAL MOTORS CORP.
On the 4.3L engine this bracket is located at the 1 o'clock position and on the 4.8L engine this bracket is located at the 12 o'clock position.
- Remove the bolt and studs securing the transmission to the engine.
- Pull the transmission straight back off the clutch hub splines. Do not let the transmission hang from the clutch assembly.
- Remove the transmission from the vehicle.