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 >> Automatic Transmission Intermediate Speed Sensor Replacement (Sensor 2) (L84/L87) >> Installation Procedure

Installation Procedure

  1. GM5518231Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Intermediate Speed Sensor (2) - Install

    2. CAUTION:

    Refer to Fastener Caution

  2. Automatic Transmission Intermediate Speed Sensor Bolt (1) - Install and tighten - Fastener Specifications
  3. GM5654262Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Fluid Pump Seal (1) - Install NEW

  4. GM5613391Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    The Park Pawl Actuator Lever must be in the park position, fully forward position, and aligned with the slot in the piston servo prior to lowering the Control Valve Assembly into place. Contact between the switch housing or magnet carrier and the end of the Park Pawl Actuator Lever during installation can damage these components and lead to failure. This damage may not be immediately apparent and may occur during subsequent vehicle operation.

    NOTE:
    • Ensure the automatic transmission fluid pump seal is in the control valve body.
    • The piston servo opening (2) must be positioned correctly as shown. Use appropriate tool to position opening if necessary.

    Place the park pawl actuator (1) in the park position.

  5. Carefully place the control valve body assembly (3) in the transmission ensuring park pawl actuator lever (1) aligns inside the piston servo opening (2).
  6. Control Valve Body Assembly (3) - Install
    7. NOTE:

    Ensure the wiring harness is not pinched after valve body installation.

  7. Connect the main control wiring harness connector (4) then lock the connector latch (5).
  8. Park Inhibitor Solenoid (6) - Install
  9. Connect the Park Inhibitor Solenoid connector (7).
  10. GM5111981Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Allow bolt holes to dry before installing bolts.

    Clean the bolt holes and ensure they are free from old sealant.

  11. Control Valve Solenoid Body Bolt (1) - Install and tighten in sequence [2x] - Fastener Specifications
    12. CAUTION:

    Refer to Torque-to-Yield Fastener Caution .

    NOTE:

    The bolts are marked by arrows in the valve body casting.

  12. Control Valve Solenoid Body Bolt (2) - Install NEW and tighten in sequence [3x] - Fastener Specifications
  13. Control Valve Solenoid Body Bolt (3) - Install and tighten in sequence [2x] - Fastener Specifications
  14. GM5428683Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Auxiliary Fluid Pump (1) - Install

  15. Connect the electrical connector.
  16. Automatic Transmission Auxiliary Fluid Pump Bolt (2) - Install and tighten [3x] - Fastener Specifications
  17. GM5428681Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Auxiliary Fluid Pump Seal (1) - Install NEW

  18. Automatic Transmission Auxiliary Fluid Pump Outlet Pipe Seal (2) - Install NEW
  19. Automatic Transmission Auxiliary Fluid Pump Outlet Pipe (3) - Install
  20. Control Valve Upper Body Bolt (4) - Install and tighten - Fastener Specifications
  21. GM5569832Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Fluid Filter (2) - Install - Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement (L84/L87) 

  22. Perform the transmission service fast learn procedure. Transmission Service Fast Learn Procedure 
scientia non olet · About LEMON Manuals