Transmission Output Shaft Seal Replacement

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Cadillac Escalade EXT, 2007 Cadillac Escalade ESV, and 2007 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Transmission Output Shaft Seal

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the propeller shaft. Refer to Rear Propeller Shaft Replacement . Support the transmission with a suitable jack. Remove the transmission mount assembly. Refer to Transmission Mount Replacement (2WD) or Transmission Mount Replacement (4WD) . Remove the transmission extension housing assembly. Refer to Extension Housing and Seal Replacement .
1	Output Shaft Seal Tip: Use the J 45000 Seal Remover, to remove the seal. See Special Tools . Use care in order to avoid damaging the output shaft bushing. Lubricate the seal with clean transmission fluid. Use the J 38693 Seal Installer, to install the seal. See Special Tools .

Callout

Component Name

Preliminary Procedures

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the propeller shaft. Refer to Rear Propeller Shaft Replacement .
Support the transmission with a suitable jack.
Remove the transmission mount assembly. Refer to Transmission Mount Replacement (2WD) or Transmission Mount Replacement (4WD) .
Remove the transmission extension housing assembly. Refer to Extension Housing and Seal Replacement .

Output Shaft Seal
Tip:

Use the J 45000 Seal Remover, to remove the seal. See Special Tools . Use care in order to avoid damaging the output shaft bushing.
Lubricate the seal with clean transmission fluid.
Use the J 38693 Seal Installer, to install the seal. See Special Tools .