Important: Do not raise the engine block by the crankshaft balancer to perform this service procedure.
1. Disconnect both the battery negative cables from the batteries. Refer to Battery Cable in Engine Electrical.
2. Remove the oil level indicator and tube from the engine. Refer to Oil Level Indicator and Tube Replacement.
3. Raise the vehicle and support with safety stands.
4. Drain the engine oil.
5. Remove the transfer case from the vehicle (4 wheel drive models only).
• For the BW 4401, BW 4470, and NVG 241-NP 2 transfer cases, refer to Transfer Case Replacement in Driveline/Axle.
• For the NVG 243-N P1 transfer case, refer to Transfer Case Replacement in Driveline/Axle.
• For the NVG 2 4 6 -N P 8 transfer case, refer to Transfer Case Replacement in Driveline/Axle.
6. Remove the transmission from the vehicle.
• For the 4L80-E automatic transmission, refer to Transmission Replacement in Transmission /Transaxle
• For the NV 4500 manual transmission, refer to Transmission Replacement in Transmission /Transaxle
7. Remove the front propeller shaft (4 wheel drive models only).
• For vehicle equipped with the non active transfer case, refer to Propeller Shaft Replacement (Front Axle – All Except NP8) in Transmission/Transaxle.
• For vehicle equipped with the active transfer case, refer to Propeller Shaft Replacement (Front Axle – NP8) in Transmission/Transaxle.
8. Remove the clutch assembly from the flywheel (if equipped). Refer to Clutch Assembly Replacement in Transmission /Transaxle.
9. Remove the flywheel from the crankshaft. Refer to Engine Flywheel Replacement.
10. Remove the crankshaft rear oil seal from the crankshaft.
