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Home >> Pontiac >> 2008 >> G5 Base, Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transaxle - 4T45-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Repair Instructions - On Vehicle >> Transmission Replacement >> Installation Procedure

Installation Procedure

  1. Install the PNP switch.
  2. Install the shifter cable bracket.
  3. Install the lower transmission to engine stud.
  4. Install the transmission mount.
    5. Fig 1: View Of Lower Transmission To Engine Stud
    GM104581Courtesy of GENERAL MOTORS CORP.
  5. Position the transaxle in the vehicle.
    6. Fig 2: Identifying Lower Transmission To Engine Bolts And Stud
    GM104580Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  6. Install the lower transmission to engine bolts and nuts.

    Tighten:  Tighten the bolts and nuts to 90 N.m (66 lb ft).

  7. Connect the transaxle cooler pipes to the transaxle.

    Tighten:  Tighten the cooler pipes to 8 N.m (71 lb in).

  8. Use the J 43653  to prevent the crankshaft from rotating.
    9. Fig 3: View Of Flywheel To Torque Converter Bolts
    GM475919Courtesy of GENERAL MOTORS CORP.
  9. Install the torque converter to flywheel bolts.

    Tighten:  Tighten the torque converter bolts to 62 N.m (46 lb ft).

  10. Install the wheel drive shafts to the transaxle. Refer to Wheel Drive Shaft Replacement .
  11. Remove the transaxle jack.
    12. Fig 4: View Of VSS Wiring Harness
    GM414901Courtesy of GENERAL MOTORS CORP.
  12. Connect the wiring harness to the VSS.
    13. Fig 5: View Of Flywheel Inspection Cover Bolts
    GM510441Courtesy of GENERAL MOTORS CORP.
  13. Install the starter. Refer to Starter Motor Replacement .
  14. Install the flywheel inspection cover bolts.

    Tighten:  Tighten the bolts to 10 N.m (89 lb in).

    15. Fig 6: Identifying Lower Transmission To Engine Bolts And Stud
    GM104580Courtesy of GENERAL MOTORS CORP.
  15. Install the upper transmission to engine bolts and stud.

    Tighten:  Tighten all of the bolts to 90 N.m (66 lb ft).

    16. Fig 7: Identifying Transmission-To-Engine Brace Bolts
    GM510437Courtesy of GENERAL MOTORS CORP.
  16. Install the transmission to engine brace bolts.

    Tighten:  Tighten the bolts to 72 N.m (53 lb ft).

  17. Install the frame. Refer to Frame Replacement .
  18. Lower the vehicle.
  19. Install the transaxle mount to body bolts.

    Tighten:  Tighten the bolts to 90 N.m (66 lb ft).

  20. Remove the engine support fixture.
  21. Install the engine wiring harness grounds to the transaxle to engine mount stud and nut.

    Tighten:  Tighten the nut to 8 N.m (71 lb in).

    22. Fig 8: View Of Shift Cable & Shift Linkage
    GM494775Courtesy of GENERAL MOTORS CORP.
  22. Install the shift linkage to the transmission.
    23. Fig 9: Locating Transaxle & PNP Switch Connectors
    GM414408Courtesy of GENERAL MOTORS CORP.
  23. Connect the electrical connectors to the PNP switch and transaxle.
  24. Install the underhood electrical junction block. Refer to Underhood Electrical Center or Junction Block Bracket Replacement .
  25. Install the TCM. Refer to Transmission Control Module Replacement .
  26. Install the ECM. Refer to Engine Control Module Replacement for the 2.2L engine or Engine Control Module Replacement for the 2.4L engine.
  27. Install the air outlet duct, the PCV hose, and the intake plenum. Refer to Air Cleaner Assembly Replacement for the 2.2L engine or Air Cleaner Assembly Replacement for the 2.4L engine.
  28. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  29. Inspect the transmission fluid level.
    30. IMPORTANT: 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, powertrain control module (PCM), or TCM will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.
  30. Reset the TAP values. Refer to Transmission Adaptive Functions .
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