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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) >> Removal Procedure

Removal 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.
  1. Disconnect the battery. Refer to Battery Negative Cable Disconnection and Connection .
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Drain the transmission fluid if necessary. Refer to Automatic Transmission Fluid and Filter Replacement .
  4. Remove the rear propeller shaft. Refer to Rear Propeller Shaft Replacement .
  5. Support the transmission with a transmission jack.
  6. Fig 1: View Of Transmission Mount To Transmission Support
    GM744176Courtesy of GENERAL MOTORS CORP.
  7. Remove the nuts securing the transmission mount to the transmission support.
  8. Fig 2: View Of Transmission Crossmember Support
    GM752134Courtesy of GENERAL MOTORS CORP.
  9. Remove the transmission support from the vehicle. Refer to Transmission Support Replacement .
  10. Fig 3: View Of Transmission Mount & Bolts (LM4)
    GM899346Courtesy of GENERAL MOTORS CORP.
  11. Remove the transmission mount bolt (1).
  12. Remove the transmission mount from the vehicle.
  13. Remove the front exhaust pipe assembly. Refer to Catalytic Converter Replacement (LL8) or Catalytic Converter Replacement (LH6/LS2) .
  14. Lower the transmission to gain access to the top and sides of the transmission.
  15. Remove the transfer case, if equipped. Refer to Transfer Case Assembly Replacement (TrailBlazer, Envoy) .
  16. Fig 4: Identifying Range Selector Cable & Components
    GM744174Courtesy of GENERAL MOTORS CORP.
  17. Remove the range selector cable end from the transmission range selector lever ball stud (6) and the bracket (1). Refer to Range Selector Lever Cable Replacement .
  18. Remove the transmission heat shield. Refer to Transmission Heat Shield Replacement .
  19. Disconnect the transmission vent hose, the park/neutral position switch connectors, and the main electrical connector from the transmission. Refer to Park/Neutral Position Switch Replacement .
  20. Remove the transmission harness from the retainers.
  21. Fig 5: View Of Fuel Line Bracket & Bolt
    GM899344Courtesy of GENERAL MOTORS CORP.
  22. Remove the bolt that secures the fuel line bracket to the left side of the transmission.
  23. Fig 6: Identifying Torque Converter Access Plug
    GM408374Courtesy of GENERAL MOTORS CORP.
  24. Remove the torque converter access plug.
  25. Mark the flywheel and torque converter orientation for reassembly.
  26. Remove the flywheel to torque converter bolts.
  27. Disconnect the transmission oil cooler lines from the transmission. Refer to Transmission Fluid Cooler Hose/Pipe Replacement (Body VIN Code 6 LM4) .
  28. Plug the transmission oil cooler line connectors in the transmission case.
  29. Install a safety chain around the transmission.
  30. Fig 7: View Of Filler Tube To Bell Housing Nut
    GM899345Courtesy of GENERAL MOTORS CORP.
  31. Remove the nut that secures the filler tube to the bell housing.
  32. Remove the transmission filler tube.
  33. Fig 8: View Of Lower Bellhousing Bolts
    GM899342Courtesy of GENERAL MOTORS CORP.
  34. Remove the remaining nuts, studs and/or bolts that secure the transmission to the engine.
  35. Install the J 21366  onto the transmission bell housing to retain the torque converter. See Special Tools .
  36. Pull the transmission straight back.
  37. Remove the transmission from the vehicle.