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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1035 (Automatic Transmission - ALLISON - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Off-Vehicle Repair Information >> Torque Converter Housing with Fluid Pump Assembly Installation >> Installation

Torque Converter Housing with Fluid Pump Assembly Installation: Installation

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Torque Converter Housing with Fluid Pump Assembly
    GM1914739Courtesy of GENERAL MOTORS CORP.
    CAUTION: The torque converter housing/oil pump cover assembly dry weights are approximately 27 kg (60 lb). To help avoid personal injury and/or property damage:
    • Use caution when installing, removing, or moving the converter housing/oil pump cover assembly.
    • Get help when lifting the converter housing/oil pump cover assembly.
    • Assistance from a hoist or another person may be required.
    • Make sure lifting equipment can properly support the converter housing/oil pump cover assembly.
  1. Install 2 M10 x 1.5 guide bolts (5) into the transmission case (4).
  2. Install a new torque converter housing to case gasket (3) onto the transmission case.
  3. Attach a sling to the converter housing (1).
  4. Attach a hoist to the sling.
  5. Align the converter housing (1) with the guide bolts (5).
  6. Apply J 36850  or equivalent lubrication to the 3 seal rings on the rear of the oil pump cover assembly. See Special Tools .
  7. Lower the converter housing/oil pump cover assembly (1) over the turbine shaft (2) and onto the transmission case (4).
    8. NOTE: Transmission damage may occur if the torque converter housing is forced into position. If tapping does not cause the torque converter housing to drop into place, then one or more of the following components may be misaligned:
    • Output sun gear
    • Output sun gear spacer
    • Seal ring
  8. Tap the converter housing until the converter housing seats on the transmission case.
  9. Remove the sling.
  10. Remove 2 guide bolts (5) from the transmission case.
    11. Fig 2: Locating Transmission Case Bolts
    GM1207590Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Torque Converter Housing/Low and Reverse Clutch Housing Bolt Size Notice .
  11. Install 18 bolts (1).
  12. Install 1 bolt (2).
    13. NOTE: Refer to Fastener Notice .
  13. Install 1 bolt (3).

    Tighten:  Tighten bolts (1, 2, 3) to 56 N.m (42 lb ft).

    14. Fig 3: Identifying Converter Housing Components
    GM1914747Courtesy of GENERAL MOTORS CORP.
    NOTE: Install the short-threaded end of the transmission external oil filter adapter into the converter housing. If the long-threaded end of the filter adapter is installed, the threads of the converter housing will be damaged.
    NOTE: Refer to Component Fastener Tightening Notice .
  14. Install the short-threaded end of the transmission external oil filter adapter (6) into the converter housing by hand.

    Tighten:  Tighten the adapter to 30 N.m (22 lb ft.)

  15. Install the magnet (7) onto the transmission external oil filter adapter.
  16. Lubricate the gasket on the transmission external oil filter (8) with transmission fluid.
    17. NOTE: Turning the transmission external oil filter more than ONE FULL TURN after gasket contact will damage the filter.
  17. Install the transmission external oil filter by hand until the gasket on the filter touches the converter housing.
  18. Using J 45023  (9) or by hand, turn the filter ONE FULL TURN ONLY. See Special Tools .
  19. Install the line pressure test hole plug O-ring (4) onto the line pressure test hole plug (5).
  20. Install the plug.

    Tighten:  Tighten the plug to 12 N.m (108 lb in).

  21. Install the torque converter housing access hole cover (10).
  22. If present, install the O-rings (3) onto the transmission oil cooler pipe connectors (2).
  23. Install 2 transmission oil cooler pipe connectors (2).

    Tighten:  Tighten the connectors to 25 N.m (19 lb ft).

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