LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 10L80 (MHS MHU MQC) - Repair Instructions - On Vehicle (1 Of 2) >> Repair Instructions - On Vehicle >> Transmission Replacement (L84/L87 & F48 & NP0) >> Removal Procedure

Removal Procedure

  1. Transfer Case Assembly - Remove - Transfer Case Assembly Replacement (L84/L87 - F47) - NPO , or Transfer Case Assembly Replacement (L84/L87 & F47) - NPO
  2. GM5585541Courtesy of GENERAL MOTORS COMPANY

    Transmission Converter Cover Bolt (1) - Remove

  3. Transmission Converter Cover- Left Side (2) - Remove
  4. GM5512320Courtesy of GENERAL MOTORS COMPANY

    {with RC1} Front Bumper Fascia Skid Plate Bolt (1) - Remove [4x]

    1. Underbody Splash Shield Bolt (2) - Remove [4x]
    2. GM5512311Courtesy of GENERAL MOTORS COMPANY

      Underbody Splash Shield (1) - Remove

    3. GM5512332Courtesy of GENERAL MOTORS COMPANY

      Underbody Skid Shield Bolt (2) - Remove [2x]

    4. Underbody Skid Shield (3) - Remove
  5. GM5540945Courtesy of GENERAL MOTORS COMPANY

    {with WTX} Front Bumper Fascia Air Deflector Bolt (1) - Remove [10x]

    1. Front Bumper Fascia Extension Bolt (2) - Remove [8x]
    2. GM5540946Courtesy of GENERAL MOTORS COMPANY

      Pull the front bumper fascia extension (1) rearward and down from the front bumper fascia.

    3. GM5591893Courtesy of GENERAL MOTORS COMPANY

      Front Bumper Fascia Extension Bolt (2) - Remove [4x]

    4. Front Bumper Fascia Extension Bolt (3) @Underbody Skid Shield - Remove [2x]
    5. Front Bumper Fascia Extension (4) - Remove
    6. GM5513633Courtesy of GENERAL MOTORS COMPANY

      Underbody Skid Shield Bolt (1) - Remove [2x]

    7. Underbody Skid Shield (2) - Remove
  6. GM5569719Courtesy of GENERAL MOTORS COMPANY

    Starter Heat Shield Bolt (1) - Remove [2x]

  7. GM5569721Courtesy of GENERAL MOTORS COMPANY

    Starter Heat Shield Bolt (1) - Remove

  8. Starter Heat Shield (2) - Remove
  9. GM5569769Courtesy of GENERAL MOTORS COMPANY

    Battery Negative Cable Ground Bolt (1) - Remove

  10. Starter Solenoid Cable (2) - Reposition away
  11. GM5569758Courtesy of GENERAL MOTORS COMPANY

    Starter Bolt (1) - Remove [2x]

  12. Reposition the starter (2) to access the electrical connections.
  13. GM5569840Courtesy of GENERAL MOTORS COMPANY

    Protective Sleeve (4) - Reposition

  14. Starter Solenoid Cable Nut (2) - Remove
  15. Starter Solenoid Cable (1) - Remove
  16. Electrical Connector (3) - Disconnect
  17. GM5569910Courtesy of GENERAL MOTORS COMPANY

    Starter (1) - Remove

  18. Place a drain pan under the vehicle.
  19. GM5569829Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Fluid Pan Bolt (1) - Remove [16x]

  20. Automatic Transmission Fluid Pan (2) - Remove
  21. Automatic Transmission Fluid Pan Gasket (3) - Remove
  22. Allow the transmission to drain.
  23. GM5569829Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Fluid Pan Gasket (3) - Install

  24. Automatic Transmission Fluid Pan (2) - Install
  25. Automatic Transmission Fluid Pan Bolt (1) - Install and hand tighten [16x]
  26. Remove the drain pan.
  27. GM5585543Courtesy of GENERAL MOTORS COMPANY

    Transmission Converter Cover Bolt (1) - Remove

  28. Transmission Converter Cover- Right Side (2) - Remove
  29. GM5608206Courtesy of GENERAL MOTORS COMPANY

    Repeat the following steps for all transmission torque converter bolts (1) :

    1. Rotate the harmonic balancer center bolt clockwise ONLY, to align the transmission torque converter bolt with the starter opening.
    2. Transmission Torque Converter Bolt (1) - Remove [6x]
  30. Lower the transmission enough to gain access to the transmission vent hose clip bracket.
  31. GM5600725Courtesy of GENERAL MOTORS COMPANY

    Remove the engine wiring harness retainer (1) and reposition the engine wiring harness (2) as necessary.

  32. GM5600801Courtesy of GENERAL MOTORS COMPANY

    Remove the transmission vent hose retainer (1) then reposition the transmission vent hose (2) as necessary.

  33. GM5607888Courtesy of GENERAL MOTORS COMPANY

    Remove the transfer case vent hose retainer (1).

  34. Transfer Case Vent Hose (2) - Remove
  35. GM5600854Courtesy of GENERAL MOTORS COMPANY

    Remove the transmission vent hose clip bracket nut (1).

  36. Remove the transmission vent hose clip bracket (2).
  37. GM5608309Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Connector Bolt (1) - Remove

  38. Transmission Fluid Cooler Inlet and Outlet Pipe (2) @Automatic Transmission - Remove
  39. Cap the fittings and plug the holes when removing the transmission fluid cooler pipes.
  40. Transmission Fluid Cooler Seal (3) - Remove and DISCARD
  41. GM5652731Courtesy of GENERAL MOTORS COMPANY

    Disconnect the transmission wiring harness connector (1).

  42. Remove the wiring harness retainers as necessary.
  43. GM5021402Courtesy of GENERAL MOTORS COMPANY

    Remove the fuel feed and return front hose bracket nut (1).

  44. Remove the fuel feed and return front hose bracket bolt (2) and reposition the fuel feed and return front hose as necessary.
  45. Lower the transmission to gain access to the top and sides of the transmission.
  46. GM5608334Courtesy of GENERAL MOTORS COMPANY

    Transmission Stud (1) Remove [5x]

  47. GM5608354Courtesy of GENERAL MOTORS COMPANY

    Transmission Stud (1) Remove

  48. NOTE:

    Reposition the transmission cooler pipe bracket as necessary.

  49. Transmission Bolt (2) Remove [2x]
  50. Pull the transmission (3) straight back.
  51. GM5608009Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    The torque converter must be held to the torque converter housing by a retaining device such as shipping brackets. Without the retaining device, the torque converter may slide forward, disengaging the oil pump, or may fall completely out of the transmission causing personal injury and/or property damage.

    Install the DT-21366  Converter Holding Strap (1) onto the transmission bell housing to retain the torque converter.

  52. GM5608370Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission (1) - Remove