LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2022 >> MDX Base >> Repair and Diagnosis (Single Page) >> General Information >> OEM General Information >> Electrical Component Locator And Service Information : HVAC Unit Area >> Exploded View >> HVAC Unit Area >> Repair Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Repair Procedure

How to use this service information .

NOTICE: 

When working with a vehicle equipped with the electronic air suspension, be sure to set it to the leveling off mode to prevent unexpected operation. Refer to the Electronic Air Suspension System Service Precautions - Refer to: Electronic Air Suspension System Connector Fitting Precautions or Electronic Air Suspension System Service Precautions for the procedure.

GHH663863Courtesy of HONDA, U.S.A., INC.

: Torque, N.m (lbf.ft)

: Replace

: Warning/Caution

: Inspection/Adjustment

*: Learning

: SPL Tool

: Required Removal

GHH663864Courtesy of HONDA, U.S.A., INC.

: Torque, N.m (lbf.ft)

: Replace

: Warning/Caution

: Inspection/Adjustment

*: Learning

: SPL Tool

: Required Removal

GHH663865Courtesy of HONDA, U.S.A., INC.

: Torque, N.m (lbf.ft)

: Replace

: Warning/Caution

: Inspection/Adjustment

*: Learning

: SPL Tool

: Required Removal

GHH663866Courtesy of HONDA, U.S.A., INC.

: Torque, N.m (lbf.ft)

: Replace

: Warning/Caution

: Inspection/Adjustment

*: Learning

: SPL Tool

: Required Removal

GHH663867Courtesy of HONDA, U.S.A., INC.

: Torque, N.m (lbf.ft)

: Replace

: Warning/Caution

: Inspection/Adjustment

*: Learning

: SPL Tool

: Required Removal

  1. A.-

    Sub-Procedure 

    GHH663868Courtesy of HONDA, U.S.A., INC.

    Removal 

    • Refer to the figure.
  2. B.-

    After Installation 

  3. C.-

    Key Information 

    Do the following before starting your work.

    Remove: 

  4. D.-

    Preconditions 

    • Set the driver's and front passenger's temperature to MAX COOL (Lo), FRESH, and VENT ( ) position.

    Key Information 

    Do the following before starting your work.

    Remove: 

  5. E.-

    Preconditions 

    • Set to the VENT ( ) position.

    Key Information 

    Do the following before starting your work.

    Remove: 

    Sub-Procedure 

    Installation 

    NOTE:  Before installation, make sure the door and linkage move smoothly.

    • Refer to the figure.
    GHH663869Courtesy of HONDA, U.S.A., INC.

    After Installation 

  6. F.-

    Preconditions 

    • Set the rear temperature to MAX COOL (Lo).

    Key Information 

    Do the following before starting your work.

    Remove: 

    Sub-Procedure 

    Installation 

    NOTE:  Before installation, make sure the door and linkage move smoothly.

    • Refer to the figure.
    GHH663870Courtesy of HONDA, U.S.A., INC.

    After Installation 

  7. G.-

    Sub-Procedure 

    GHH663871Courtesy of HONDA, U.S.A., INC.

    Removal 

    • Refer to the figure.
  8. H.-

    Key Information 

    Do the following before starting your work.

    Remove: 

  9. I.-
    GHH663872Courtesy of HONDA, U.S.A., INC.

    Key Information 

    Do the following before starting your work.

    Remove: 

  10. J.-

    Preconditions 

    • Set the driver's temperature to MAX COOL (Lo).

    Key Information 

    Do the following before starting your work.

    Remove: 

    Sub-Procedure 

    Installation 

    NOTE:  Before installation, make sure the door and linkage move smoothly.

    • Refer to the figure.
    GHH663873Courtesy of HONDA, U.S.A., INC.

    After Installation 

  11. K.-

    Preconditions 

    • Set to the VENT ( ) position.

    Key Information 

    Do the following before starting your work.

    Remove: 

    Sub-Procedure 

    Installation 

    NOTE:  Before installation, make sure the door and linkage move smoothly.

    • Refer to the figure.
    GHH663874Courtesy of HONDA, U.S.A., INC.

    After Installation 

  12. L.-

    Key Information 

    Do the following before starting your work.

    Remove: 

    Sub-Procedure 

    GHH663875Courtesy of HONDA, U.S.A., INC.

    Removal 

    • Refer to the figure.
  13. M.-

    Key Information 

    Do the following before starting your work.

    Remove: 

    Sub-Procedure 

    GHH663876Courtesy of HONDA, U.S.A., INC.

    Removal 

    • Refer to the figure.
  14. N.-

    Key Information 

    Do the following before starting your work.

    Remove: 

  15. O.-

    Key Information 

    Do the following before starting your work.

    Remove: 

  16. P.-

    Preconditions 

    • Set to the VENT ( ) position.

    Sub-Procedure 

    Installation 

    NOTE:  Before installation, make sure the door and linkage move smoothly.

    • Refer to the figure.
    GHH663877Courtesy of HONDA, U.S.A., INC.

    After Installation 

  17. Q.-

    Preconditions 

    • Set the front passenger's temperature to MAX COOL (Lo).

    Sub-Procedure 

    Installation 

    NOTE:  Before installation, make sure the door and linkage move smoothly.

    • Refer to the figure.
    GHH663878Courtesy of HONDA, U.S.A., INC.

    After Installation 

  18. R.-
    GHH663879Courtesy of HONDA, U.S.A., INC.

    Key Information 

    Do the following before starting your work.

    Remove: 

  19. S.-
    GHH663880Courtesy of HONDA, U.S.A., INC.

    Key Information 

    Do the following before starting your work.

    Remove: 

  20. T.-
    GHH663881Courtesy of HONDA, U.S.A., INC.
  21. U.-

    Preconditions 

    Key Information 

    Do the following before starting your work.

    Remove: 

    Procedure: 

    After Installation 

  22. V.-

    Preconditions 

    Key Information 

    Do the following before starting your work.

    Remove: 

    Procedure: 

    Sub-Procedure 

    Removal 

    NOTE:  Engine coolant will run out when the hoses are disconnected; drain it into a clean drip pan. Be sure not to let coolant spill on electrical parts or painted surfaces. If any coolant spills, rinse it off immediately.

    GHH663882Courtesy of HONDA, U.S.A., INC.

    Installation 

    • Refer to the figure.

    Heater Hose Installation Directions (Upper and lower) 

    Position Direction
    a Vehicle upper side
    b Vehicle left side

    Specifications (Upper and lower) 

    Standard Value
    c 110deg.

    After Installation 

  23. W.-

    Preconditions 

    • Set to the FRESH position.

    Sub-Procedure 

    Installation 

    NOTE:  Before installation, make sure the door and linkage move smoothly.

    • Refer to the figure.
    GHH663883Courtesy of HONDA, U.S.A., INC.

    After Installation 

  24. X.-

    Preconditions 

    After Installation 

  25. Y.-
    GHH663884Courtesy of HONDA, U.S.A., INC.
  26. Z.-

    Preconditions 

    After Installation