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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 920 (Automatic Transmission - ALLISON - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Off-Vehicle Repair Instructions >> Torque Converter Housing from Pump Assembly Disassemble

Torque Converter Housing from Pump Assembly Disassemble

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Converter Housing/Oil Pump Cover Module And Oil Seal
    GM1914741Courtesy of GENERAL MOTORS CORP.
  1. Position the converter housing/oil pump cover module (2) on the work table so that the torque converter housing is facing up.
  2. Remove the oil seal assembly (1).
    3. Fig 2: View Of Oil Seal Assembly Retaining Bolts
    GM1207885Courtesy of GENERAL MOTORS CORP.
  3. Remove 10 bolts (1).
    4. Fig 3: Identifying Bolt Seals
    GM1207880Courtesy of GENERAL MOTORS CORP.
  4. Remove the seals (2) from the bolts (1).
    5. Fig 4: Converter Housing, Oil Pump Cover Module, Channel Plate And Gasket
    GM1914742Courtesy of GENERAL MOTORS CORP.
  5. Remove the converter housing (1) from the oil pump cover module (3).
    6. IMPORTANT: Do not damage the torque converter housing to case channel plate when separating the torque converter housing from the oil pump cover module.
  6. Remove the torque converter housing to case channel plate gasket (2) from the torque converter housing to case channel plate (4).
    7. Fig 5: Identifying Overlap Seal Rings, Stator Shaft, Rear Hub and Thrust Washer
    GM1207713Courtesy of GENERAL MOTORS CORP.
  7. Remove 3 overlap seal rings (6) from the rear hub of the oil pump cover module.
  8. Remove 2 overlap seal rings (1, 2) from the stator shaft (3).
  9. Remove the thrust washer (5).
    10. Fig 6: Locating Oil Pump Assembly Retaining Bolts
    GM1207718Courtesy of GENERAL MOTORS CORP.
  10. Remove 5 bolts (4) retaining the oil pump assembly (1) to the oil pump cover assembly (3).
    11. IMPORTANT: Do not damage the torque converter housing to case channel plate when separating the oil pump cover assembly, torque converter housing to case channel plate, and oil pump assembly.
  11. Separate the oil pump cover assembly (3), the torque converter housing to case channel plate (2), and the oil pump assembly (1).
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