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Home >> Hummer >> 2009 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 6L80 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> On-Vehicle Repair Instructions >> Transmission Output Shaft Seal Replacement

Transmission Output Shaft Seal Replacement

Fig 1: Identifying Transmission Output Shaft Seal
GM1657043Courtesy of GENERAL MOTORS CORP.
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 Rear Propeller Shaft Replacement .
  3. Support the transmission with a suitable jack.
  4. Remove the transmission mount assembly. Refer to Transmission Mount Replacement .
  5. Remove the transfer case adapter. Refer to Transfer Case Adapter 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 36183  Seal Installer, to install the seal.