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Home >> Buick >> 2005 >> Century Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - Introduction & Repair Instructions >> Repair Instructions >> Transmission Replacement >> Removal Procedure

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  2. Remove the air cleaner intake duct. Refer to Air Cleaner Intake Duct Replacement in Engine Controls - 3.1L.
    3. Fig 1: View Of Transaxle Range Selector Cable & Shift Lever
    GM629690Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the transaxle wiring harness electrical connectors.
  4. Remove the transaxle range selector cable from the transaxle shift lever.
  5. Remove the transaxle range selector cable retainer from the cable.
    6. Fig 2: Identifying Automatic Transaxle Range Selector Cable To Cable Bracket
    GM629687Courtesy of GENERAL MOTORS CORP.
  6. Remove the transaxle range selector cable from the transaxle.
  7. Remove the transaxle wiring harness grounds from the transaxle.
    8. Fig 3: View of Transaxle To Engine Mounting
    GM160965Courtesy of GENERAL MOTORS CORP.
  8. Remove the upper transaxle bolts (3,4,5) and the stud (2).
  9. Install the engine support fixture. Refer to Engine Support Fixture in Engine Mechanical - 3.1L.
  10. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  11. Remove the front wheels. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  12. Remove the left and the right engine splash shields. Refer to Splash Shield Replacement - Engine in Body Front End.
  13. Remove the frame from the vehicle. Refer to Frame Replacement in Frame and Underbody.
  14. Remove the starter motor. Refer to Starter Motor Replacement (3.1L) in Engine Electrical.
    15. Fig 4: Holding Flywheel
    GM309963Courtesy of GENERAL MOTORS CORP.
  15. Install the J 37096  in order to gain access to the torque converter bolts and to prevent the flywheel from turning.
    16. Fig 5: Identifying Flywheel To Torque Converter Bolts
    GM160984Courtesy of GENERAL MOTORS CORP.
  16. Remove the torque converter bolts.
  17. Remove the transaxle oil cooler pipes from the transaxle. Refer to Transmission Fluid Cooler Hose/Pipe Replacement .
    18. IMPORTANT: Position and secure the wheel drive shafts out of the way.
  18. Remove the left and the right wheel drive shafts from the transaxle. Refer to Wheel Drive Shaft Replacement in Wheel Drive Shafts.
  19. Secure the drive shafts to the steering knuckles.
  20. Disconnect the vehicle speed sensor electrical connector.
    21. IMPORTANT: Ensure the transmission jack is properly secured to the transaxle.
  21. Position a transmission jack under the transaxle and secure the transmission jack to the transaxle.
  22. Remove the transaxle brace. Refer to Automatic Transmission Brace Replacement .
    23. Fig 6: View of Transaxle To Engine Mounting
    GM160965Courtesy of GENERAL MOTORS CORP.
  23. Remove the lower transaxle bolt (6) and the stud (1).
  24. Remove the transaxle from the vehicle.
  25. Transfer all necessary parts as needed.
  26. Flush the transmission cooler and lines. Refer to Automatic Transmission Oil Cooler Flushing and Flow Test (J35944-A) or Automatic Transmission Oil Cooler Flushing and Flow Test (J45096) .
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