Rear Output Shaft Seal Replacement

WARNING: This page is about a different car, the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Rear Output Shaft Seal

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
CAUTION: Do not damage the sealing surfaces of the transfer cases or the shafts when prying the seals for removal. Damaging the sealing surface may cause leakage or require replacement of the damaged component. Preliminary Procedure Remove the rear propeller shaft. Refer to Rear Propeller Shaft Replacement .
1	Transfer Case Output Shaft Seal Procedure Remove the seal using an appropriate tool. Install the seal with the notch at the top and the weep hole at the bottom. TIP: Use the appropriate seal installer depending on application. Special Tools DT-48210 Seal Installer GE-8092 Driver Handle

Callout

Component Name

CAUTION:

Do not damage the sealing surfaces of the transfer cases or the shafts when prying the seals for removal. Damaging the sealing surface may cause leakage or require replacement of the damaged component.

Preliminary Procedure Remove the rear propeller shaft. Refer to Rear Propeller Shaft Replacement .

Transfer Case Output Shaft Seal

Procedure

Remove the seal using an appropriate tool.
Install the seal with the notch at the top and the weep hole at the bottom.

TIP: Use the appropriate seal installer depending on application.

Special Tools

DT-48210 Seal Installer
GE-8092 Driver Handle