GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Sierra - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 6L50/6L80/6L90 🢒 Transmission Output Shaft Seal Replacement

Transmission Output Shaft Seal Replacement 2WD


Object Number: 1822785 Size: MF

Callout

Component Name

Preliminary Procedures

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement.

1

Output Shaft Seal

Special Tools

    • DT-48021 Seal Installer (6L90)
    • J 8092 Driver Handle (6L90)
    • J 38869 Output Shaft Seal Installer (6L80)
    •  J 45000 Seal Remover

Transmission Output Shaft Seal Replacement 4WD


Object Number: 1657043 Size: MF

Callout

Component Name

Preliminary Procedure

Remove the transfer adapter from the transmission. Refer to the appropriate procedure:

    •  Transfer Case Adapter Replacement for the BW 4485-NR3 transfer case
    •  Transfer Case Adapter Replacement for the MP 1222/1225/1226-NQG transfer case
    •  Transfer Case Adapter Replacement for the MP 1625/1626-NQF transfer case
    •  Transfer Case Adapter Replacement for the MP 3023/3024-NQH transfer case

1

Output Shaft Seal

Procedure

  1. Use the J 45000 to remove the seal. Use care in order to avoid damaging the output shaft bushing.
  2. Lubricate the seal with clean transmission fluid.
  3. Use the J 36183 to install the seal.

Special Tools

    • J 45000 Seal Remover
    • J 36183 Seal Installer