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Home >> Isuzu >> 2007 >> Ascender RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 274 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Repair Instructions - On Vehicle >> Transmission Replacement (LM4, LS2) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Lower Bellhousing Bolts
    GM899342Courtesy of GENERAL MOTORS CORP.
  1. Install the J 21366  onto the transmission bell housing to retain the torque converter. See Special Tools .
  2. Raise the transmission into place and remove the J 21366  from the transmission. See Special Tools .
  3. Slide the transmission straight onto the locating pins while lining up the marks on the flywheel and the torque converter made during removal. The torque converter must be flush onto the flywheel and rotate freely by hand.
    4. NOTE: Refer to Fastener Notice .
  4. Install nuts, studs and/or bolts securing the transmission to the engine.

    Tighten:  Tighten the studs and/or bolts to 50 N.m (37 lb ft).

    5. Fig 2: View Of Fuel Line Bracket & Bolt
    GM899344Courtesy of GENERAL MOTORS CORP.
  5. Install the fuel line retaining bracket to the transmission.
    6. Fig 3: Identifying Torque Converter Access Plug
    GM408374Courtesy of GENERAL MOTORS CORP.
  6. Install the flywheel to torque converter bolts.

    Tighten:  Tighten the bolts to 60 N.m (44 lb ft).

  7. Install the torque converter access plug.
  8. Remove the safety chain from the transmission.
    9. Fig 4: View Of Filler Tube To Bell Housing Nut
    GM899345Courtesy of GENERAL MOTORS CORP.
  9. Install the transmission filler tube.
  10. Install the filler tube nut.

    Tighten:  Tighten the filler tube nut to 10 N.m (7 lb ft).

  11. Install the transmission vent hose (2), fuel lines, and the wiring harness to the transmission.
  12. Install the transmission harness to the retainers.
  13. Install the heat shield to the transmission. Refer to Transmission Heat Shield Replacement .
  14. Install the bolts securing the heat shield to the transmission.

    Tighten:  Tighten the bolts to 17 N.m (13 lb ft).

    15. Fig 5: Identifying Range Selector Cable & Components
    GM744174Courtesy of GENERAL MOTORS CORP.
  15. Install the shift cable end to the transmission shift lever ball stud (6) and bracket (1). Refer to Range Selector Lever Cable Replacement .
  16. Install the transfer case, if equipped. Refer to Transfer Case Assembly Replacement (TrailBlazer, Envoy) .
  17. Install the front exhaust pipe assembly. Refer to Catalytic Converter Replacement (LL8) or Catalytic Converter Replacement (LH6/LS2) .
    18. Fig 6: View Of Transmission Mount & Bolts (LM4)
    GM899346Courtesy of GENERAL MOTORS CORP.
  18. Install the transmission mount to the vehicle.
  19. Install the bolts (1) securing the transmission mount to the transmission.

    Tighten:  Tighten the bolts to 25 N.m (18 lb ft).

    20. Fig 7: View Of Transmission Crossmember Support
    GM752134Courtesy of GENERAL MOTORS CORP.
  20. Install the transmission support to the vehicle. Refer to Transmission Support Replacement .
    21. Fig 8: View Of Transmission Mount To Transmission Support
    GM744176Courtesy of GENERAL MOTORS CORP.
  21. Lower the transmission and remove the transmission jack.
  22. Install the nuts securing the transmission mount to the transmission support.

    Tighten:  Tighten the nuts to 46 N.m (35 lb ft).

  23. Install the rear propeller shaft. Refer to Rear Propeller Shaft Replacement .
  24. Flush the transmission oil cooler and cooling lines at this time, if necessary. Refer to Transmission Fluid Cooler Flushing and Flow Test (J 45096)  or Transmission Fluid Cooler Flushing and Flow Test (J 35944-A) .
  25. Connect the transmission oil cooler lines (4) to the transmission. Refer to Transmission Fluid Cooler Hose/Pipe Replacement (Body VIN Code 6 LM4) .
  26. Lower the vehicle.
  27. Connect the battery. Refer to Battery Negative Cable Disconnection and Connection .
  28. Fill the transmission to the proper level with DEXRON® VI transmission fluid and check for leaks. Refer to Transmission Fluid Check .
    29. 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 engine control module (ECM), powertrain control module (PCM) or transmission control module (TCM) will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.
  29. Reset the TAP values. Refer to Transmission Adaptive Functions (TCM) .
  30. Road test the vehicle and check for proper operation.
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