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Home >> Buick >> 2009 >> Allure CX >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4T65-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Repair Instructions - On Vehicle >> Transmission Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Wiring Harness Grounds & Transaxle
    GM911145Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (L26) or Battery Negative Cable Disconnection and Connection (LS4) .
  2. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement for the 3.8L engine or Air Cleaner Resonator Outlet Duct Replacement for the 5.3L engine.
  3. Remove the starter motor. Refer to Starter Motor Replacement (L26) or Starter Motor Replacement (LS4) .
  4. Remove the exhaust crossover pipe. Refer to Exhaust Crossover Pipe Replacement (3.8L) or Exhaust Crossover Pipe Replacement (LS4) .
  5. Disconnect the transaxle wiring harness electrical connector (4).
  6. Remove the wiring harness ground nut (3) from the transaxle.
  7. Remove the wiring harness grounds (1, 2) from the transaxle.
  8. Remove the wiring harness ground bolt (6) from the transaxle.
  9. Remove the wiring harness grounds (5) from the transaxle.
  10. Remove the wiring harness bracket bolt (7) and reposition the wiring harness.
    11. Fig 2: View Of Transaxle Range Selector Cable & Shift Lever
    GM629690Courtesy of GENERAL MOTORS CORP.
  11. Remove the range selector cable from the transaxle shift lever.
  12. Remove the range selector retainer from the cable.
    13. Fig 3: Identifying Automatic Transaxle Range Selector Cable To Cable Bracket
    GM629687Courtesy of GENERAL MOTORS CORP.
  13. Remove the range selector cable from the transaxle.
  14. Disconnect the wiring harness connectors from the top of the transaxle.
    15. Fig 4: View of Transaxle To Engine Mounting
    GM160965Courtesy of GENERAL MOTORS CORP.
  15. Remove the upper transaxle bolts (3, 4, 5) and the stud (2).
  16. Install the engine support fixture. Refer to Engine Support Fixture for the 3.8L engine or Engine Support Fixture for the 5.3L engine.
  17. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  18. Remove the front wheels. Refer to Tire and Wheel Removal and Installation .
  19. Remove the left and the right engine splash shields.
  20. Remove the frame from the vehicle. Refer to FRAME REPLACEMENT .
    21. Fig 5: Holding Flywheel
    GM309963Courtesy of GENERAL MOTORS CORP.
  21. Install J 37096  in order to gain access to the torque converter bolts and to prevent the flywheel from turning.
    22. Fig 6: Identifying Flywheel To Torque Converter Bolts
    GM160984Courtesy of GENERAL MOTORS CORP.
  22. Remove the torque converter bolts.
  23. Remove the oil cooler pipes from the transaxle. Refer to Fluid Cooler Inlet and Outlet Hose Replacement .
    24. NOTE: Position and secure the wheel drive shafts out of the way.
  24. Remove the left and the right wheel drive shafts from the transaxle. Refer to Wheel Drive Shaft Replacement .
  25. Secure the drive shafts to the steering knuckles.
  26. Disconnect the electrical connector from the vehicle speed sensor.
    27. NOTE: Ensure that the transmission jack is properly secured to the transaxle.
  27. Position a transmission jack under the transaxle and secure the jack firmly to the transaxle.
  28. Remove the transaxle brace. Refer to Transmission Brace Replacement .
    29. Fig 7: View of Transaxle To Engine Mounting
    GM160965Courtesy of GENERAL MOTORS CORP.
  29. Remove the lower transaxle bolt (6) and the stud (1).
  30. Remove the transaxle from the vehicle.
  31. Transfer all necessary parts as needed.
  32. Flush the transmission cooler and lines. Refer to Transmission Fluid Cooler Flushing and Flow Test (J-35944-A)  or Transmission Fluid Cooler Flushing and Flow Test (J-45096) .
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