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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 >> Removal Procedure

Removal 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. Remove the battery tray support bracket. Refer to Battery Tray Support Bracket Replacement .
  2. Remove the generator control module, if equipped with 2.4L (LAT). Refer to Generator Control Module Replacement .
  3. Remove the auxiliary fluid pump and pipes, if equipped with 2.4L (LAT). Refer to one of the following:
  4. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  5. Disconnect the transmission electrical wiring harness connector from the park neutral position (PNP) switch.
  6. Disconnect the transmission main wiring harness from the transmission.
  7. Remove the wiring harness from the retainer on the transmission.
  8. Remove the battery ground cable from the transmission, if equipped.
    9. Fig 1: Shift Cable Retainers
    GM1869726Courtesy of GENERAL MOTORS CORP.
  9. Disconnect the transmission shift control cable terminal (2) from the transmission manual shift lever pin (1).
  10. Press the locking tabs (3) inward in order to release the transmission shift control cable from the cable bracket (4).
    11. Fig 2: Shift Cable Bracket Bolts
    GM1869727Courtesy of GENERAL MOTORS CORP.
  11. Remove the shift cable bracket bolts (1, 3).
  12. Remove the shift cable bracket (2).
    13. Fig 3: Upper Transmission To Engine Bolts
    GM1874270Courtesy of GENERAL MOTORS CORP.
  13. Remove the upper transmission to engine bolts (1).
  14. Remove the vehicle frame. Refer to Frame Replacement (4T45-E Transmission) .
    15. Fig 4: Locating Transaxle Brace & Bolts
    GM1547464Courtesy of GENERAL MOTORS CORP.
  15. Remove the bolts (2, 3) from the transmission brace.
  16. Remove the transmission brace (1).
  17. Remove the starter. Refer to Starter Replacement (LE5/LAT) .
  18. Mark the relationship of the flywheel to the torque converter for reassembly.
  19. Use the J 43653  to prevent the crankshaft from rotating.
    20. Fig 5: Locating Torque Converter-To-Flywheel Bolts
    GM1547462Courtesy of GENERAL MOTORS CORP.
  20. Remove the torque converter to flywheel bolts.
  21. Remove the nut holding the transmission cooler line retainer to the transmission.
  22. Disconnect the transmission cooler lines from the transmission.
    23. Fig 6: View Of VSS Wiring Harness
    GM414901Courtesy of GENERAL MOTORS CORP.
  23. Disconnect the vehicle speed sensor (VSS) wiring harness connector and retainer from the sensor.
  24. Lower the vehicle.
  25. Remove the left transmission mount and spacer. Refer to Transmission Mount Replacement - Left Side .
  26. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  27. Disconnect the wheel drive shafts from the transmission. Refer to Front Wheel Drive Shaft Replacement .
  28. Support the transmission with a suitable jack.
    29. Fig 7: Lower Transmission To Engine Bolts
    GM1874271Courtesy of GENERAL MOTORS CORP.
  29. Remove the lower transmission to engine bolts (1).
  30. Separate the engine from the transmission.
  31. Remove the transmission from the vehicle.
  32. If the transmission is being replaced, remove the PNP switch from the transmission. Refer to Park/Neutral Position Switch Replacement .
  33. Flush the transmission cooler and the lines with J 35944-A  . See Special Tools .
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