GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2001
🢒
Sonoma Pickup - 2WD
🢒
Driveline/Axle
🢒
Transfer Case - NVG 233-NP1 (Two Speed Selectable)
🢒 Extension Housing Rear Oil Seal
Tools Required:
J 21426
Extension Housing Seal Installer
Removal Procedure
Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
Remove the propeller shaft. Refer to
One-Piece Propeller Shaft Replacement
in Driveline/Axle.
Remove the rear extension oil seal.
Installation Procedure
Install the new seal using
J 21426
.
Install the propeller shaft. Refer to
One-Piece Propeller Shaft Replacement
in Driveline/Axle.
Lower the vehicle.
Fill the transmission to the proper level with DEXTRON III Transmission Fluid. Refer to
Transmission Fluid Check
.