LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1566 (Automatic Transmission - 6L45/6L50/6L80/6L90 - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Single Battery) or Battery Negative Cable Disconnection and Connection (Dual Batteries) or Battery Negative Cable Disconnection and Connection (Auxiliary Battery) .
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Remove the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement .
  4. Support the transmission with a transmission jack.
  5. Remove the transmission crossmember. Refer to Transmission Support Crossmember Replacement (2WD 1500/2500) or Transmission Support Crossmember Replacement (4WD 1500/2500) or Transmission Support Crossmember Replacement (2WD 2500 HD/3500) or Transmission Support Crossmember Replacement (4WD 2500 HD/3500) .
  6. Remove the transmission mount. Refer to Transmission Mount Replacement (2WD) or Transmission Mount Replacement (4WD) .
  7. Remove the catalytic converter pipe. Refer to Catalytic Converter Replacement (LY6 with Exhaust Flange) or Catalytic Converter Replacement (L9H with Exhaust Flange) or Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp) or Catalytic Converter Replacement (LFA with Exhaust Clamp) or Catalytic Converter Replacement (LMM) .
  8. If the vehicle is equipped with a transfer case, remove the front propeller shaft. Refer to Front Propeller Shaft Replacement .
    9. Fig 1: View Of Torque Converter Access Plug
    GM408374Courtesy of GENERAL MOTORS CORP.
  9. Remove the torque converter access plug.
    10. Fig 2: View Of Left Flywheel Inspection Cover
    GM1708215Courtesy of GENERAL MOTORS CORP.
  10. Remove the left flywheel inspection cover.
  11. Remove the starter motor. Refer to Starter Replacement (V8) or Starter Replacement (V6) or Starter Replacement (6.6L) .
    12. Fig 3: View Of Right Flywheel Inspection Cover
    GM1705430Courtesy of GENERAL MOTORS CORP.
  12. Remove the right flywheel inspection cover.
    13. Fig 4: View Of Flywheel To Torque Converter Bolts
    GM1708265Courtesy of GENERAL MOTORS CORP.
  13. Remove the flywheel to torque converter bolts.
  14. Lower the transmission to gain access to the top and sides of the transmission.
    15. Fig 5: View Of Transfer Case Vent Tube Hose
    GM1708319Courtesy of GENERAL MOTORS CORP.
  15. Disconnect the vent tube hose and the electrical connections from the transfer case, if equipped.
  16. Remove the transfer case, if equipped. Refer to the appropriate procedure:
    17. Fig 6: View Of Transmission Heat Shield & Bolts
    GM1708338Courtesy of GENERAL MOTORS CORP.
  17. Remove the 2 bolts securing the heat shield to the transmission.
  18. Remove the transmission heat shield.
    19. Fig 7: View Of Range Selector Cable & Cable Bracket Retainer
    GM1707190Courtesy of GENERAL MOTORS CORP.
  19. Remove the range selector cable retaining clip (1) from the transmission range selector cable.
  20. Remove the range selector cable (2) from the range selector lever ball stud and the range selector cable bracket.
    21. Fig 8: View Of Transmission Vent Hose
    GM1705102Courtesy of GENERAL MOTORS CORP.
  21. Disconnect the transmission vent hose.
  22. Disconnect the transmission electrical connector from the transmission.
  23. Remove the wire harness from the transmission.
    24. Fig 9: View Of Bolt Securing Fuel Line Bracket To Left Side Of Transmission
    GM396800Courtesy of GENERAL MOTORS CORP.
  24. Remove the bolt that secures the fuel line bracket to the left side of the transmission.
    25. Fig 10: View Of Oil Cooling Lines & Bolt
    GM1705099Courtesy of GENERAL MOTORS CORP.
  25. Disconnect the transmission oil cooler lines (1) from the transmission. Refer to Transmission Fluid Cooler Hose/Pipe Replacement .
  26. Plug the transmission oil cooler line connectors in the transmission case.
    27. Fig 11: View Of Transmission Bolts
    GM1708536Courtesy of GENERAL MOTORS CORP.
  27. Remove the 8 bolts securing the transmission to the engine.
  28. Pull the transmission straight back.
  29. Install the J 21366  onto the transmission bell housing to retain the torque converter.
  30. Remove the transmission from the vehicle while simultaneously removing the fluid level indicator tube.
  31. Flush the transmission cooler lines. Refer to Transmission Fluid Cooler Flushing and Flow Test .
scientia non olet · About LEMON Manuals