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Home >> Hummer >> 2008 >> H3 Luxury, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 285 (Automatic Transmission - 4L60-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Repair Instructions - On Vehicle >> Transmission Replacement (2WD 5.3L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure the vehicle is in the park position.
  2. Remove the filler tube. Refer to Transmission Fluid Filler Tube and Seal Replacement (5.3L)  or Transmission Fluid Filler Tube and Seal Replacement (2.9L, 3.7L) .
  3. Remove the right and left catalytic converters. Refer to Catalytic Converter Replacement - Right Side (LH8) and Catalytic Converter Replacement - Left Side (LH8) .
    4. Fig 1: Heat Shield & Bolts
    GM1900886Courtesy of GENERAL MOTORS CORP.
  4. Remove the right heat shield bolts (1).
  5. Remove the right heat shield (2).
    6. Fig 2: Heat Shield Bolts
    GM2007880Courtesy of GENERAL MOTORS CORP.
  6. Remove the left heat shield bolts (1).
  7. Remove the left heat shield (2).
    8. Fig 3: View Of Cable And Mounting
    GM1900891Courtesy of GENERAL MOTORS CORP.
    NOTE: Do not pull on the boot portion of the cable.
  8. Disconnect the range selector cable end (3) from the range selector lever.
  9. Remove the retainer (1) from the range selector cable (2).
  10. Push the range selector cable locking tabs (2) inward toward each other to release the cable from the bracket.
    11. Fig 4: View Of HO2S, Transmission Main Connector, & VSS Speed Sensor Electrical Connections
    GM1302101Courtesy of GENERAL MOTORS CORP.
  11. Disconnect the following engine wiring harness electrical connectors:
    • The heated oxygen sensor (6)
    • The transmission main connector (5)
    • The vehicle speed sensor (VSS) (1)
  12. Remove the screw (4) securing the engine wiring harness (3) to the right side of the transmission, and position the harness over the transmission.
    13. Fig 5: View Of Park/Neutral Back Up Switch Electrical Connector
    GM1302100Courtesy of GENERAL MOTORS CORP.
  13. Disconnect the park/neutral back up switch electrical connector (3).
  14. Remove the screw (2) securing the engine wiring harness (1) to the left side of the transmission, and position the wiring harness aside.
    15. Fig 6: Nut Securing Fuel Hose/Pipe Bracket
    GM1900893Courtesy of GENERAL MOTORS CORP.
  15. Remove the nut (2) securing the fuel hose/pipe bracket (1) to the transmission.
    16. Fig 7: Fuel Hose/Pipe Bracket & Bolts
    GM2007881Courtesy of GENERAL MOTORS CORP.
  16. Remove the screw (5) securing the fuel hose/pipe bracket (4) to the transmission.
  17. Remove the nut (2) securing the fuel hose/pipe bracket (1) to the transmission.
    18. Fig 8: Bolt Securing Fuel Hose/Pipe Bracket
    GM1900900Courtesy of GENERAL MOTORS CORP.
  18. Remove the bolt (1) securing the fuel hose/pipe bracket (2) to the transmission crossmember.
    19. Fig 9: View Of Inspection Plug
    GM1350754Courtesy of GENERAL MOTORS CORP.
  19. Remove the inspection plug (3) from the transmission (1).
  20. Mark the torque converter to flexplate/flywheel orientation to ensure proper realignment.
    21. Fig 10: Flywheel Inspection Cover & Bolt
    GM1900880Courtesy of GENERAL MOTORS CORP.
  21. Remove the left flywheel inspection cover bolt (1).
  22. Remove the left flywheel inspection cover (2).
  23. Remove the starter motor. Refer to Starter Motor Replacement (LLV/LLR) or Starter Motor Replacement (LH8) .
    24. Fig 11: Flywheel Inspection Cover & Bolt
    GM1900883Courtesy of GENERAL MOTORS CORP.
  24. Remove the right flywheel inspection cover bolt (1).
  25. Remove the right flywheel inspection cover (2).
  26. Remove the engine protection shield. Refer to Engine Protection Shield Replacement .
    27. Fig 12: Torque Converter Bolt
    GM1900884Courtesy of GENERAL MOTORS CORP.
  27. Repeat the following steps for all torque converter bolts:
    • Rotate the harmonic balancer center bolt clockwise ONLY, in order to access the torque converter bolt.
    • Remove the torque converter bolt:
  28. Place an oil pan under the transmission fluid cooler pipes.
  29. Disconnect the transmission oil cooler pipes from the transmission ONLY. Refer to Transmission Fluid Cooler Hose/Pipe Replacement .
  30. Plug the open outlet ports to prevent fluid loss and contamination.
  31. Drain the transmission fluid if necessary. Refer to Automatic Transmission Fluid and Filter Replacement .
  32. Support and secure the transmission using a suitable transmission jack.
  33. Remove the transmission crossmember. Refer to Transmission Support Crossmember Replacement (2WD) or Transmission Support Crossmember Replacement (4WD) .
  34. Remove the transfer case assembly. Refer to Transfer Case Assembly Replacement .
    35. Fig 13: Transmission Mounting Studs
    GM1900878Courtesy of GENERAL MOTORS CORP.
  35. Remove the 2 transmission mounting studs (1).
  36. Remove the 6 transmission mounting bolts (2, 3).
  37. Separate the transmission from the engine alignment dowels.
    38. NOTE: Ensure clearance is maintained between the transmission and the following:
    • The engine wiring harness
    • The fuel hose/pipe brackets
    • The transmission oil cooler pipes
  38. Using the transmission jack, carefully lower the transmission from the vehicle.
    39. Fig 14: View Of J 21366 Installed On Torque Converter
    GM283776Courtesy of GENERAL MOTORS CORP.
  39. Install the J 21366  onto the transmission bell housing to retain the torque converter.
  40. Perform the flush and flow test on the automatic transmission oil cooler. Refer to Transmission Fluid Cooler Flushing and Flow Test (J 45096)  or Transmission Fluid Cooler Flushing and Flow Test (J 35944-A) .
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