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HOMESERVICE MANUALSACURA2013MDX 3.7L ENG VIN YD2REPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSIONSECONDARY VALVE BODY REPLACEMENT
2013 Acura MDX 3.7L Eng VIN YD2

Secondary Valve Body Replacement

2013 Acura MDX 3.7L Eng VIN YD2SECTION Secondary Valve Body Replacement
  1. Do the battery removal procedure (see RECONNECTION ).
  2. Remove the main under-hood fuse box from the battery base.
  3. Remove the intake air duct and the air cleaner housing.
  4. Remove the battery base and the battery base bracket.
  5. Disconnect the transmission range switch connector.
    Fig 1: Identifying Transmission Range Switch Connector
    G08057350Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Remove the starter (see STARTER REMOVAL AND INSTALLATION ).
  7. Remove the front undercover (see FRONT UNDERCOVER REPLACEMENT ) and the splash shield (see SPLASH SHIELD REPLACEMENT ).
  8. Disconnect the ATF temperature sensor connector (A), then remove the harness clamps (B).
    Fig 2: Locating ATF Temperature Sensor Connector And Harness Clamps
    G08057351Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Disconnect the shift solenoid valve C connector (A).
    Fig 3: Locating Shift Solenoid Valve C Connector And Harness Clamp
    G08057352Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Remove the harness clamp (B) from the dipstick guide tube.
  11. Disconnect the transmission fluid pressure switch C (4th clutch) connector (A), then remove the harness clamp (B).
    Fig 4: Locating Transmission Fluid Pressure Switch C (4th Clutch) Connector And Harness Clamp
    G08057353Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. Disconnect the input shaft (mainshaft) speed sensor connector (A) and the output shaft (countershaft) speed sensor connector (B), then remove the harness clamp (C). Remove the harness cover (D) from the ATF filter holder.
    Fig 5: Locating Input Shaft (Mainshaft) Speed Sensor Connector, Output Shaft (Countershaft) Speed Sensor Connector And Harness Clamp
    G08057354Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Disconnect these connectors:
    • Transmission fluid pressure switch E (6th clutch) connector (A)
    • Transmission fluid pressure switch B (3rd clutch) connector (B)
    • A/T clutch pressure control solenoid valve D connector (C)
    • A/T clutch pressure control solenoid valve A connector (D)
    • A/T clutch pressure control solenoid valve B connector (E)
    • A/T clutch pressure control solenoid valve C connector (F)
    • Line pressure switch connector (G)
    • Line pressure solenoid valve A connector (H)
    • Shift solenoid valve B connector (I)
    • Shift solenoid valve A connector (J)
      Fig 6: Locating A/T Connectors
      G08057355Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Remove the harness cover mounting bolts (K) and the harness cover bracket (L), then remove the harness cover (M).
  15. Remove the dipstick guide tube (A).
    Fig 7: Locating Dipstick Guide Tube
    G08057356Courtesy of AMERICAN HONDA MOTOR CO., INC.
  16. Remove the secondary valve body (A) and the gasket (B).
    NOTE: There are 11 ATF pipes. Do not drop the ATF pipes into the transmission. If an ATF pipe is dropped into the transmission, the transmission will need to be disassembled to recover the pipe (s).
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.