Transmission Output Shaft Seal Replacement (6L80)

WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Transmission Output Shaft Seal Replacement

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
CAUTION: Refer to Fastener Caution . Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the exhaust system. Refer to Exhaust System Replacement . Remove the drive shaft. Refer to Rear Propeller Shaft Replacement (AWD) or Rear Propeller Shaft Replacement (RWD) . Support the transmission with a suitable jack. Remove the transmission mount assembly. Refer to Transmission Mount Replacement (All Wheel Drive) or Transmission Mount Replacement (Rear Wheel Drive) . Remove the transmission extension housing assembly. Refer to Case Extension and Gasket Replacement (6L50) or Case Extension and Gasket Replacement (6L80) .
1	Output Shaft Seal Tip: Use the J 45000 to remove the seal. Use care in order to avoid damaging the output shaft bushing. Lubricate the seal with clean transmission fluid. Use the J 38693 to install the seal. See Special Tools .

Callout

Component Name

CAUTION: Refer to Fastener Caution .

Preliminary Procedures

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the exhaust system. Refer to Exhaust System Replacement .
Remove the drive shaft. Refer to Rear Propeller Shaft Replacement (AWD) or Rear Propeller Shaft Replacement (RWD) .
Support the transmission with a suitable jack.
Remove the transmission mount assembly. Refer to Transmission Mount Replacement (All Wheel Drive) or Transmission Mount Replacement (Rear Wheel Drive) .
Remove the transmission extension housing assembly. Refer to Case Extension and Gasket Replacement (6L50) or Case Extension and Gasket Replacement (6L80) .

Output Shaft Seal
Tip:

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