GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2001
🢒
Express
🢒
Transmission/Transaxle
🢒
Automatic Transmission - 4L60-E
🢒 Extension Housing Rear Oil Seal
Removal Procedure
Raise the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
Remove the propeller shaft. Refer to
One-Piece Propeller Shaft Replacement
or
Two-Piece Propeller Shaft Replacement
in Driveline Axle.
Remove the rear extension oil seal.
Installation Procedure
Tools Required
J 21426
Rear Extension Seal Installer
Install the new seal using
J 21426
Rear Extension Seal Installer.
Coat the outer edge of the seal case with the non-hardening sealer provided.
Coat the seal lips with Transjel®.
Install the propeller shaft. Refer to
One-Piece Propeller Shaft Replacement
or
Two-Piece Propeller Shaft Replacement
in Driveline Axle.
Lower the vehicle.
Fill the transmission to the proper level with Dexron® III Transmission Fluid. Refer to
Transmission Fluid Check