GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2003
🢒
Avalanche - 4WD
🢒
Transmission/Transaxle
🢒
Automatic Transmission - 4L60-E/4L65-E
🢒 Propeller Shaft Front Slip Yoke Oil Seal Replacement
Tools Required
•
J 21426
Extension Housing Seal Installer
•
J 36850
Transjel Lubricant
Removal Procedure
Place a drain pan under the vehicle.
Remove the propeller shaft. Refer to
Rear Propeller Shaft Replacement
in Propeller Shaft.
Remove the case extension housing rear oil seal. Use a flat bladed tool and carefully pry the seal from the housing.
Inspect the case extension housing for damage. Replace the extension housing if necessary. Refer to
Case Extension Assembly Replacement
.
Installation Procedure
Lubricate the inside diameter of the NEW seal with
J 36850
.
Using
J 21426
and a soft faced mallet, install the seal.
Remove the drain pan.
Install the propeller shaft. Refer to
Rear Propeller Shaft Replacement
in Propeller Shaft.
Fill the transmission to the proper level with DEXRON® III transmission fluid. Refer to
Transmission Fluid Check
.