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Home >> Hummer >> 2008 >> H3 Luxury, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> On-Vehicle Repair Information >> Transmission Replacement (4WD) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of J 21366 Installed On Torque Converter
    GM283776Courtesy of GENERAL MOTORS CORP.
  1. Remove the J 21366  from the transmission.
  2. Ensure the torque converter is fully engaged with the transmission oil pump.
    3. Fig 2: View Of Transmission Jack
    GM1302112Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure clearance is maintained between the transmission and the following:
    • The catalytic converter
    • The engine wiring harness
    • The fuel hose/pipe brackets
    • The heater pipe
    • The transmission oil cooler pipes
  3. Using the transmission jack, carefully raise the transmission to the engine.
    4. Fig 3: View Of Transmission Mounting Bolts & Engine Dowels
    GM1302115Courtesy of GENERAL MOTORS CORP.
  4. Align the transmission with the engine dowels (1).
    5. NOTE: Refer to Fastener Notice .
    IMPORTANT: Ensure the torque converter turns freely while tightening the transmission mounting bolts.
  5. Install the 2 transmission mounting bolts (2).

    Tighten:  Tighten the transmission mounting bolts to 50 N.m (37 lb ft).

    6. Fig 4: View Of Transmission Mounting Bolts
    GM1302117Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • Ensure the studded mounting bolts (2) are located in the correct position.
    • The heater pipe (1) must be secured with the 2 upper mounting bolts.
  6. Install the remaining transmission mounting bolts.

    Tighten:  Tighten the transmission mounting bolts to 50 N.m (37 lb ft).

  7. Install the transmission crossmember. Refer to Transmission Support Crossmember Replacement (2WD) or Transmission Support Crossmember Replacement (4WD) .
  8. Remove the transmission jack from under the vehicle.
  9. Connect the transmission oil cooler pipes to the transmission. Refer to Transmission Fluid Cooler Hose/Pipe Replacement .
  10. Align the torque converter to flexplate/flywheel orientation marks made during the removal procedure.
  11. Repeat the following steps for all 3 torque converter bolts:
    1. Rotate the harmonic balancer center bolt clockwise ONLY, in order to access the torque converter bolt holes in the flexplate/flywheel through the service slot.
    2. To aid in alignment of the torque converter to the flexplate/flywheel. Install all 3 torque converter bolts before fully tightening using one of the following:

      Tighten:  Tighten the torque converter bolts to 60 N.m (44 lb ft).

      • 18 mm crowfoot wrench
      • Short T50 TORX bit
    12. Fig 5: View Of Inspection Plug
    GM1350754Courtesy of GENERAL MOTORS CORP.
  12. Install the inspection plug (3) to the transmission (1).
    13. Fig 6: View Of Service Slot Plug
    GM1302113Courtesy of GENERAL MOTORS CORP.
  13. Install the service slot plug.
    14. Fig 7: View Of Fuel Hose/Pipe Bracket & Nuts (M30)
    GM1350750Courtesy of GENERAL MOTORS CORP.
  14. Install the nuts (2) securing the fuel hose/pipe bracket (1) to the transmission.

    Tighten:  Tighten the fuel hose/pipe bracket nuts to 20 N.m (15 lb ft).

  15. Connect the fuel hose/pipe retainer (4) to the range selector cable bracket (3).
    16. Fig 8: View Of Transmission Vent Hose & Retainers
    GM1302098Courtesy of GENERAL MOTORS CORP.
  16. Connect the transmission vent hose retainer (1) to the heater pipe bracket (2).
    17. Fig 9: View Of Park/Neutral Back Up Switch Electrical Connector
    GM1302100Courtesy of GENERAL MOTORS CORP.
  17. Install the screw (1) securing the engine wiring harness (2) to the left side of the transmission.

    Tighten:  Tighten the engine wiring harness retainer to transmission screw to 9 N.m (80 lb in).

  18. Connect the park/neutral back up switch electrical connector (3).
  19. Lay the engine wiring harness over the transmission.
    20. Fig 10: View Of Transmission Main Electrical Connector
    GM1302102Courtesy of GENERAL MOTORS CORP.
  20. Connect the transmission main electrical connector (3).
  21. Install the screw (1) securing the engine wiring harness (2) to the right side of the transmission.

    Tighten:  Tighten the engine wiring harness retainer to transmission screw to 9 N.m (80 lb in).

    22. Fig 11: View Of Range Selector Cable & Components
    GM1302081Courtesy of GENERAL MOTORS CORP.
  22. Install the range selector cable (3) to the bracket (2).
  23. Install the retainer (4) to the range selector cable (3).
  24. Adjust the automatic transmission range selector cable. Refer to Range Selector Lever Cable Adjustment .
  25. Install the transfer case assembly. Refer to Transfer Case Assembly Replacement .
  26. Install the engine protection shield. Refer to Engine Protection Shield Replacement .
  27. Install the filler tube. Refer to Transmission Fluid Filler Tube and Seal Replacement (2.9L and 3.7L) .
  28. Fill the transmission fluid if necessary. Refer to Automatic Transmission Fluid and Filter Replacement .
  29. Lower the vehicle.
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