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Home >> Chevrolet >> 2002 >> C3500 HD 8.1 G, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1580 (Automatic Transmission - 4T45-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> On-Vehicle Repair Instructions >> Transmission Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. If previously removed, install the PNP switch. Refer to Park/Neutral Position Switch Replacement .
  2. Position the transmission to the engine.
    3. Fig 1: Lower Transmission To Engine Bolts
    GM1874271Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  3. Install the lower transmission to engine bolts (1) and tighten to 75 N.m (55 lb ft).
  4. Install the wheel drive shafts to the transmission. Refer to Front Wheel Drive Shaft Replacement .
  5. Lower the vehicle.
  6. Install the left transmission mount and spacer. Refer to Transmission Mount Replacement - Left Side .
  7. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  8. Lubricate the transmission cooler pipes before inserting into the seals.
  9. Connect the transmission cooler pipes to the transmission.
  10. Install the transmission cooler pipes retainer nut and tighten to 7 N.m (62 lb in).
    11. Fig 2: View Of VSS Wiring Harness
    GM414901Courtesy of GENERAL MOTORS CORP.
  11. Connect the wiring harness connector and retainer to the VSS.
  12. Use the J 43653  to prevent the crankshaft from rotating.
    13. Fig 3: Locating Torque Converter-To-Flywheel Bolts
    GM1547462Courtesy of GENERAL MOTORS CORP.
  13. Install the torque converter to flywheel bolts and tighten to 60 N.m (44 lb ft).
  14. Install the starter. Refer to Starter Replacement (LE5/LAT) .
    15. Fig 4: Locating Transaxle Brace & Bolts
    GM1547464Courtesy of GENERAL MOTORS CORP.
  15. Install the transmission brace (1).
  16. Install the transmission brace bolts (2, 3) and tighten to 53 N.m (39 lb ft).
  17. Install the frame. Refer to Frame Replacement (4T45-E Transmission) .
  18. Lower the vehicle.
    19. Fig 5: Upper Transmission To Engine Bolts
    GM1874270Courtesy of GENERAL MOTORS CORP.
  19. Install the upper transmission to engine bolts (1) and tighten to 75 N.m (55 lb ft).
    20. Fig 6: Shift Cable Bracket Bolts
    GM1869727Courtesy of GENERAL MOTORS CORP.
  20. Install the shift cable bracket (2).
  21. Install the shift cable bracket bolts (1, 3) and tighten to 20 N.m (15 lb ft).
    22. Fig 7: Shift Cable Retainers
    GM1869726Courtesy of GENERAL MOTORS CORP.
  22. Install the transmission shift control cable (3) to the cable bracket (4).
  23. Connect the transmission shift control cable terminal (2) to the transmission manual shift lever pin (1).
  24. Connect the transmission main electrical wiring harness connector to the transmission.
  25. Connect the transmission electrical wiring harness connector to the park neutral position (PNP) switch.
  26. Attach the wiring harness to the retainer on the transmission.
  27. Install the battery ground cable to the transmission, if equipped.
  28. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  29. Install the auxiliary fluid pump and pipes, if equipped with 2.4L (LAT). Refer to one of the following:
  30. Install the generator control module, if equipped with 2.4L (LAT). Refer to Generator Control Module Replacement .
  31. Install the battery tray support bracket. Refer to Battery Tray Support Bracket Replacement .
  32. Add automatic transmission fluid (ATF) and verify the proper fluid level of the transmission.
    33. NOTE: It is recommended that transmission adaptive pressure (TAP) information be reset.
    Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, the ECM, PCM or TCM will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.
  33. Reset the TAP values. Refer to Transmission Adaptive Functions .
  34. Road test the vehicle.
  35. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
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