LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2007 >> MDX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> ATF Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

ATF Replacement

NOTE: Keep all foreign particles out of the transmission.
  1. Park the vehicle on the level ground.
  2. Warm up the engine to normal operating temperature (the radiator fan comes on), and turn the engine off.
  3. Raise the vehicle up on a lift, apply the parking brake, block both rear wheels, and raise the front of the vehicle. Make sure it is securely supported.
  4. Remove the transmission undercover.
    Fig 1: Identifying Transmission Undercover
    G05485645Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Remove the ATF filler bolt and drain plug (A), and drain the automatic transmission fluid (ATF).
    NOTE: If a cooler cleaning is done, refer to ATF cooler cleaning  (see ).
    Fig 2: Drain Plug And Sealing Washer With Torque Specification
    G05485646Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Reinstall the drain plug with a new sealing washer (B).
  7. Refill the transmission with the recommended fluid into the filler hole (A). Always use Acura ATF-Z1 Automatic Transmission Fluid (ATF). Using a non-Acura ATF can affect shift quality.
    Fig 3: ATF Filler Bolt And Sealing Washer With Torque Specification
    G05485647Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. Install the ATF filler bolt (B) and a new sealing washer (C).
  9. Remove the dipstick (A).
    Fig 4: Identifying Fluid Level
    G05485648Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Make sure the fluid level is between the upper mark (B) and lower mark (C) on the dipstick.
  11. Install the transmission undercover.
    Fig 5: Transmission Undercover With Torque Specification
    G05485649Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. If the maintenance minder required to replace the ATF, reset the maintenance minder (see RESETTING THE MAINTENANCE INFORMATION DISPLAY ), and this procedure is complete. If the maintenance minder did not require to replace the ATF, go to step  10 and reset the ATF life with the HDS.
  13. Connect the HDS to the DLC (A), and go to the BODY ELECTRICAL. If the HDS does not communicate with the PCM, troubleshoot the DLC circuit (see DLC CIRCUIT TROUBLESHOOTING ).
    Fig 6: Identifying Data Link Connector
    G05485650Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Select ADJUSTMENT in the GAUGES MENU with the HDS.
  15. Select RESET in the MAINTENANCE MINDER with the HDS.
  16. Select MAINTENANCE SUB ITEM 3 RESET, and reset the ATF life with the HDS.