1. Disconnect both the battery negative cables from the batteries. Refer to Battery Replacement in Engine Electrical.
2. Remove the transfer case from the vehicle (if equipped).

•	For vehicles equipped with the BW 4401 (two speed manual) transfer case, refer to Transfer Case Replacement in Driveline/Axle.

•	For vehicles equipped with the BW 4470 (Two Speed Manual) transfer cases, refer to Transfer Case Replacement in Driveline/Axle.

•	For vehicles equipped with the NVG 241-NP2 (Two Speed Manual) transfer case, refer to Transfer Case Replacement in Driveline/Axle.

•	For vehicles equipped with the NVG 243-NP1 (Two Speed Selectable) transfer case, refer to Transfer Case Replacement in Driveline/Axle.

•	For vehicles equipped with the NVG 246-NP8 (Two Speed Automatic) transfer case, refer to Transfer Case Replacement in Driveline/Axle.

•	For the NVG 246-NP8 transfer case, refer to Transfer Case Replacement in Driveline/Axle.

3. Remove the transmission from the vehicle.

•	For vehicles equipped the 4L80-E automatic transmission, refer to Transmission Replacement in Automatic Transmission -- 4L80-E.

•	For vehicles equipped with the NV 4500 manual transmission, refer to Transmission Replacement in Manual Transmission -- NV 4500.

4. Remove the clutch assembly from the crankshaft if equipped. Refer to Clutch Assembly Replacement in Clutch.
5. Remove the flywheel from the crankshaft.

Important: Do not resurface the flywheel, replace the flywheel if damaged due to over heating or excessive wear.

1. Install the flywheel to the crankshaft

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.

2. Install the flywheel mounting bolts.

Tighten
Tighten the bolts to 90 N·m (65 lb ft).

3. Install the clutch assembly if equipped. Refer to Clutch Assembly Replacement in Clutch.
4. Install the transmission in the vehicle.

•	For vehicles equipped with the 4L80-E automatic transmission, refer to refer to Transmission Replacement in Automatic Transmission -- 4L80-E.

•	For vehicles equipped with the NV 4500 manual transmission, refer to Transmission Replacement in Manual Transmission NV 4500.

5. Install the transfer case in the vehicle (if equipped).

•	For vehicles equipped with the BW 4401 (two speed manual) transfer case, refer to Transfer Case Replacement in Driveline/Axle.

•	For vehicles equipped with the BW 4470 (Two Speed Manual) transfer cases, refer to Transfer Case Replacement in Driveline/Axle.

•	For vehicles equipped with the NVG 241-NP2 (Two Speed Manual) transfer case, refer to Transfer Case Replacement in Driveline/Axle.

•	For vehicles equipped with the NVG 243-NP1 (Two Speed Selectable) transfer case, refer to Transfer Case Replacement in Driveline/Axle.

•	For vehicles equipped with the NVG 246-NP8 (Two Speed Automatic) transfer case, refer to Transfer Case Replacement in Driveline/Axle.

•	the NVG 246-NP8 transfer case, refer to Transfer Case Replacement in Driveline/Axle.

6. Connect both the battery negative cable to the batteries. Refer to Battery Replacement in Engine Electrical.