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Home >> Chevrolet >> 2022 >> Tahoe PPV, RWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 10L80 (MHS MQC) - Repair Instructions - On Vehicle (2 Of 2) >> Repair Instructions - On Vehicle >> Automatic Transmission Removal and Installation (L84, L87, 2WD with F47) >> Installation Procedure

Installation Procedure

  1. Support the transmission with a suitable transmission jack.
  2. GM5608370Courtesy of GENERAL MOTORS COMPANY

    Raise the transmission (1) into place.

  3. GM5608009Courtesy of GENERAL MOTORS COMPANY

    Remove the DT-21366  Converter Holding Strap (1).

  4. GM5608354Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The torque converter must rotate freely by hand.

    Slide the transmission (3) straight onto the locating pins while lining up the marks on the flywheel and the torque converter.

  5. CAUTION:

    Refer to Fastener Caution .

  6. Transmission Stud (1) Install and tighten - Fastener Specifications
  7. Transmission Bolt (2) Install and tighten [2x] - Fastener Specifications
  8. GM5608334Courtesy of GENERAL MOTORS COMPANY

    Transmission Stud (1) Install and tighten [5x] - Fastener Specifications

  9. GM5021402Courtesy of GENERAL MOTORS COMPANY

    Install the fuel feed and evaporative emission and return hose (3).

  10. Fuel Feed and Return Front Hose Bracket Nut (1) - Install and tighten - Fastener Specifications
  11. Fuel Feed and Return Front Hose Bracket Bolt (2) - Install and tighten - Fastener Specifications
  12. GM5600854Courtesy of GENERAL MOTORS COMPANY

    Install the transmission vent hose clip bracket (2).

  13. Install and tighten the transmission vent hose clip bracket nut (1). Fastener Specifications
  14. GM5600801Courtesy of GENERAL MOTORS COMPANY

    Reposition the transmission vent hose (2) then install transmission vent hose retainer (1).

  15. GM5600725Courtesy of GENERAL MOTORS COMPANY

    Reposition the engine wiring harness (2) then install the engine wiring harness retainer (1).

  16. GM4960510Courtesy of GENERAL MOTORS COMPANY

    Transmission Heat Shield (3) - Install

  17. If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:
    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  18. Transmission Heat Shield Bolt (2) - Install and tighten - Fastener Specifications
  19. Transmission Heat Shield Bolt (1) - Install and tighten [2x] - Fastener Specifications
  20. Install the wiring harness.
  21. Uncap the fittings and unplug the holes of the transmission.
  22. GM5608316Courtesy of GENERAL MOTORS COMPANY

    Connect the wiring harness retainers. (2)

  23. Connect the electrical connector. (1)
  24. GM5608206Courtesy of GENERAL MOTORS COMPANY

    If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:

    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  25. NOTE:

    Rotate the crankshaft balancer center bolt clockwise ONLY, to align the transmission torque converter bolt with the starter opening.

  26. Transmission Torque Converter Bolt (1) - Install and tighten [6x] - Fastener Specifications
  27. GM5585543Courtesy of GENERAL MOTORS COMPANY

    Transmission Converter Cover - Right Side (2) - Install

  28. Transmission Converter Cover Bolt (1) - Install and tighten - Fastener Specifications
  29. GM5569910Courtesy of GENERAL MOTORS COMPANY

    Starter (1) - Install

  30. GM5569840Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (3) - Connect

  31. Protective Sleeve (4) - Install
  32. Starter Solenoid Cable (1) - Install
  33. Starter Solenoid Cable Nut (2) - Install and tighten - Fastener Specifications
  34. GM5569758Courtesy of GENERAL MOTORS COMPANY

    Starter Bolt (1) - Install and tighten [2x] - Fastener Specifications

  35. GM5569769Courtesy of GENERAL MOTORS COMPANY

    Starter Solenoid Cable (2) - Install

  36. Battery Negative Cable Ground Bolt (1) - Install and tighten - Fastener Specifications
  37. GM5569721Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Catalytic converter removed for graphic clarity.

    Starter Heat Shield (2) - Install

  38. Starter Heat Shield Bolt (1) - Install and tighten - Fastener Specifications
  39. GM5569719Courtesy of GENERAL MOTORS COMPANY

    Starter Heat Shield Bolt (1) - Install and tighten [2x] - Fastener Specifications

  40. GM5512332Courtesy of GENERAL MOTORS COMPANY

    {with RC1} Underbody Skid Shield (3) - Install

    1. Underbody Skid Shield Bolt (2) - Install and tighten [2x] - Fastener Specifications
    2. GM5512311Courtesy of GENERAL MOTORS COMPANY

      Underbody Splash Shield (1) - Install

    3. GM5512320Courtesy of GENERAL MOTORS COMPANY

      Underbody Splash Shield Bolt (1) - Install and tighten [4x] - Fastener Specifications

    4. Underbody Splash Shield Bolt (2) - Install and tighten [4x] - Fastener Specifications
  41. GM5513633Courtesy of GENERAL MOTORS COMPANY

    {with WTX} Underbody Skid Shield (2) - Install

    1. Underbody Skid Shield Bolt (1) - Install and tighten [2x] - Fastener Specifications
    2. GM5591893Courtesy of GENERAL MOTORS COMPANY

      Front Bumper Fascia Extension (4) - Install

    3. Front Bumper Fascia Extension Bolt (3) @ Underbody Skid Shield - Install and tighten [2x] - Fastener Specifications
    4. Front Bumper Fascia Extension Bolt (2) - Install and tighten [4x] - Fastener Specifications
    5. GM5540946Courtesy of GENERAL MOTORS COMPANY

      Front Bumper Fascia Extension (1) - Install

    6. GM5540945Courtesy of GENERAL MOTORS COMPANY

      Front Bumper Fascia Extension Bolt (2) - Install and tighten [8x] - Fastener Specifications

    7. Front Bumper Fascia Air Deflector Bolt (1) - Install and tighten [10x] - Fastener Specifications
  42. GM5585541Courtesy of GENERAL MOTORS COMPANY

    Transmission Converter Cover - Left Side (2) - Install

  43. Transmission Converter Cover Bolt (1) - Install and tighten - Fastener Specifications
  44. GM5544194Courtesy of GENERAL MOTORS COMPANY

    Propeller Shaft (1) - Install

  45. GM5544191Courtesy of GENERAL MOTORS COMPANY

    Align the reference marks made between the rear wheel drive shaft flange and the front and rear propeller shaft (2).

  46. If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:
    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  47. Install the 4 rear propeller shaft bolts (1) and tighten in a crisscross pattern. Fastener Specifications .
  48. GM5001113Courtesy of GENERAL MOTORS COMPANY

    Exhaust System Seal- Right Side (1) - Install NEW

  49. GM5001105Courtesy of GENERAL MOTORS COMPANY

    Exhaust System Seal- Left Side (1) - Install NEW

  50. GM5001076Courtesy of GENERAL MOTORS COMPANY

    Three-Way Catalytic Converter (1) - Install

  51. GM4974120Courtesy of GENERAL MOTORS COMPANY

    Transmission Support Crossmember (1) - Install

  52. GM4974118Courtesy of GENERAL MOTORS COMPANY

    Transmission Support Crossmember Bolt (2) - Install [4x]

  53. Transmission Support Crossmember Nut (1) - Install and tighten [4x] - Fastener Specifications
  54. GM4974116Courtesy of GENERAL MOTORS COMPANY

    Transmission Mount Nut (1) - Install and tighten - Fastener Specifications

  55. Remove the support from the transmission.
  56. GM5565710Courtesy of GENERAL MOTORS COMPANY

    {If equipped} Wiring Harness (2) @ Wiring Harness Retainer (1) - Install [3x]

  57. GM5611961Courtesy of GENERAL MOTORS COMPANY

    Automatic Level Control Air Supply Reservoir (2) - Install

  58. Automatic Level Control Air Compressor Bolt (1) - Install and tighten [3x] - Fastener Specifications
  59. GM5611960Courtesy of GENERAL MOTORS COMPANY

    If equipped, install the chassis wire harness clip (1) to the automatic level control air supply reservoir.

  60. GM5732852Courtesy of GENERAL MOTORS COMPANY

    Install the air line (2) and clip the 2 air line retainers (1).

  61. GM5584486Courtesy of GENERAL MOTORS COMPANY

    Exhaust Front Pipe Nut - Right Side (1) - Install and tighten [3x] - Fastener Specifications

  62. GM5584496Courtesy of GENERAL MOTORS COMPANY

    Exhaust Front Pipe Nut - Left Side (1) - Install and tighten [3x] - Fastener Specifications

  63. GM5001054Courtesy of GENERAL MOTORS COMPANY

    Exhaust Muffler (2) @ Three-Way Catalytic Converter (3) - Connect

  64. Exhaust Pipe Clamp (1) - Tighten - Fastener Specifications
  65. GM5523023Courtesy of GENERAL MOTORS COMPANY

    Connect the heated oxygen sensor electrical connector. (1)

  66. GM5568855Courtesy of GENERAL MOTORS COMPANY

    Connect the heated oxygen sensor electrical connector. (1)

  67. GM5523087Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    A special anti-seize compound is used in the HO2S threads. The compound consists of liquid graphite and glass beads. The graphite tends to burn away, but the glass beads remain, making the sensor easier to remove. New, or service replacement sensors already have the compound applied to the threads. If the sensor is removed from an exhaust component and if for any reason the sensor is to be reinstalled, the threads must have anti-seize compound applied before reinstallation. Adhesives, Fluids, Lubricants, and Sealers

    Using a suitable tool, install and tighten the heated oxygen sensor bank 1 sensor 2 (1). Fastener Specifications

  68. Connect the heated oxygen sensor electrical connector. (1)
  69. GM5525401Courtesy of GENERAL MOTORS COMPANY

    Using a suitable tool, install and tighten the heated oxygen sensor bank 1 sensor 1 (1). Fastener Specifications

  70. Connect the heated oxygen sensor electrical connector. (1)
  71. GM5508826Courtesy of GENERAL MOTORS COMPANY

    Exhaust Front Pipe Heat Shield (2) - Install

  72. Exhaust Heat Shield Bolt (1) - Install and tighten - Fastener Specifications
  73. GM5508824Courtesy of GENERAL MOTORS COMPANY

    Exhaust Front Pipe Heat Shield (2) - Install

  74. Exhaust Heat Shield Bolt (1) - Install and tighten - Fastener Specifications
  75. Front Wheelhouse Liner - Left Side and Right Side - Install [2x] - Front Wheelhouse Liner Replacement
  76. Remove the caps from the fittings and plugs from the holes before installing the transmission fluid cooler pipes.
  77. GM5608309Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Seal (3) - Install NEW

  78. Transmission Fluid Cooler Inlet and Outlet Pipe (2) @ Automatic Transmission - Install
  79. Transmission Fluid Cooler Pipe Connector Bolt (1) - Install and tighten - Fastener Specifications
  80. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection (9C1, 5W4) , or Battery Negative Cable Disconnection and Connection (KL9)
  81. Fill and inspect the transmission fluid level.
    1. Adhesives, Fluids, Lubricants, and Sealers
    2. Approximate Fluid Capacities
  82. Inspect for Leaks
  83. Take the air system out of service mode.