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Home >> Ford >> 2021 >> Explorer Limited Hybrid, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Automatic Transmission - 10-Speed Automatic Transmission - 10R60 (3 Of 3)) >> Overhaul >> Main Control Valve Body

Main Control Valve Body

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Special Tool(s) / General Equipment 

GFD514433Courtesy of FORD MOTOR COMPANY
 307-299 Alignment Pins, Valve Body TKIT-1994-LMH/MH2 TKIT-1994-F TKIT-1994-FLM/FM

Materials 

Name Specification
Motorcraft® MERCON® ULV Automatic Transmission Fluid XT-12-QULV WSS-M2C949-A, MERCON® ULV
  1. For solenoid and valve identification. Refer to: Main Control Valve Body .
  2. Disconnect the internal wiring harness.

    1. Slide the plastic lock to the unlock position. While pressing the plastic tabs, disconnect the electrical connectors.
    2. Remove internal wiring harness retaining bolt.
    3. Disconnect the internal wiring harness retainer.

    GFD514401Courtesy of FORD MOTOR COMPANY
  3. Disconnect the internal wiring harness electrical connectors.

    • Slide the plastic locks to the unlock position. While pressing the plastic tabs, disconnect the electrical connectors.

    GFD514434Courtesy of FORD MOTOR COMPANY
  4. Release the retainer and remove the internal wiring harness assembly.
    GFD514403Courtesy of FORD MOTOR COMPANY
  5. Remove the TFT sensor.

    1. Lift plastic tab.
    2. Rotate the TFT sensor clockwise.
    3. Remove the TFT sensor.

    GFD514435Courtesy of FORD MOTOR COMPANY
  6. Remove the main control assembly to transmission fluid pump seal.
    GFD514234Courtesy of FORD MOTOR COMPANY
  7. NOTE: The orientation of the solenoids before removal.

    1. Remove the bolts and the park lock pawl solenoid.
    2. Remove and discard the bolts. Remove the solenoid retaining plate, TCC solenoid and the LPC solenoid.

    GFD514436Courtesy of FORD MOTOR COMPANY
  8. Remove bolts and the shift solenoid retaining plate.
    GFD514437Courtesy of FORD MOTOR COMPANY
  9. Remove the valve body bolts.
    GFD514438Courtesy of FORD MOTOR COMPANY
  10. Remove and discard the valve channel plate.
    GFD514439Courtesy of FORD MOTOR COMPANY
  11. NOTE: Many components and surfaces in the main control valve body are precision machined. Use care when handling the upper and lower valve body or damage can occur to the machined surfaces.

    Separate the upper valve body from the lower valve body.

    GFD514440Courtesy of FORD MOTOR COMPANY

    Lower Valve Body 

    1. If equipped, remove the pin-type retainer.
    2. Remove the valve body separator plate bolts.
    3. Remove and discard the valve body separator plate.
    GFD514441Courtesy of FORD MOTOR COMPANY
  13. NOTE: The orientation of the valves and springs.

    Remove the following items:

    1. Check valve assemblies
    2. LPC damper assembly
    3. TCC damper

    GFD514442Courtesy of FORD MOTOR COMPANY
  14. Remove the check balls.
    GFD514443Courtesy of FORD MOTOR COMPANY
  15. NOTE: Note the location of the retaining clips, caps, valves and valve springs for assembly. Failure to install the components in the correct location will result in harsh/soft or no shifts or damage to the transmission.

    Remove the retaining clips, cap, valves and valve springs from each bore of the valve body assembly.

    GFD514444Courtesy of FORD MOTOR COMPANY
  16. NOTE: Solenoids and clutch control valves may visually appear the same but they are calibrated from the factory and are not all the same. Use care not to assemble the main control assembly incorrectly. Incorrect solenoid and clutch control valve installation results in poor transmission shift quality.

    Number the solenoids 1 through 6 and number the main control solenoid ports 1 through 6 to correspond to the solenoids.

    GFD514445Courtesy of FORD MOTOR COMPANY
  17. NOTE: Note the location of the clutch control valves and solenoids for assembly.

    Remove and discard the shift solenoid retainers. Remove the shift solenoids and clutch control valves.

    GFD514446Courtesy of FORD MOTOR COMPANY

    Upper Valve Body 

  18. NOTE: Note the location of the retaining clips, caps, valves and valve springs for assembly. Failure to install the components in the correct location will result in harsh/soft or no shifts or damage to the transmission.

    Remove the retaining clips, cap, valves and valve springs from each bore of the valve body assembly.

    GFD514447Courtesy of FORD MOTOR COMPANY

    Upper and Lower Valve Body 

  19. NOTE: Many components and surfaces in the main control valve body are precision machined. Use care when cleaning the lower valve body or damage can occur to the machined surfaces.

    Clean and inspect the lower valve body for damage. Inspect the passages and valves for damage and clean any excessive debris. Install a new component if necessary.

    GFD514448Courtesy of FORD MOTOR COMPANY
  20. Clean and inspect the upper valve body for damage. Inspect the passages and valves for damage and clean any excessive debris. Install a new component if necessary.
    GFD514449Courtesy of FORD MOTOR COMPANY

    Upper Valve Body 

  21. NOTE: Failure to install the components in the correct location will result in harsh/soft or no shifts or damage to the transmission.

    Install the valves, valve springs, caps and the retaining clips into the correct valve body valve bore.

    GFD514447Courtesy of FORD MOTOR COMPANY

    Lower Valve Body 

  22. NOTE: Failure to install the components in the correct location will result in harsh/soft or no shifts or damage to the transmission.

    Install the valves, valve springs, cap and the retaining clips into the correct valve body valve bore.

    GFD514444Courtesy of FORD MOTOR COMPANY
  23. NOTE: Solenoids are calibrated from the factory and are not all the same. To replace a solenoid, match the band number with the original solenoid or harsh shifts or damage to the transmission can occur.

    If new solenoids are needed, identify the solenoid band number.

    GFD514272Courtesy of FORD MOTOR COMPANY
  24. NOTE: Failure to install the components in the correct location will result in harsh/soft or no shifts or damage to the transmission.

    Install the clutch control valves, and the shift solenoids in the corresponding marked location. Install the new shift solenoid retainers with the flat side towards the solenoids.

    1. Retainer flat side

    GFD514450Courtesy of FORD MOTOR COMPANY
  25. Install the check balls.
    GFD514443Courtesy of FORD MOTOR COMPANY
  26. NOTE: The orientation of the valves and springs.

    Install the following items:

    1. Check valve assemblies
    2. LPC damper assembly
    3. TCC damper

    GFD514442Courtesy of FORD MOTOR COMPANY
    1. Using the special tools align the new valve body separator plate onto the lower valve body. Use Special Service Tool: 307-299 Alignment Pins, Valve Body.
    2. Install the bolts.

      Torque: 71 lb.in (8 Nm)

    3. If equipped, install the pin-type retainer.
    GFD514451Courtesy of FORD MOTOR COMPANY

    Upper and Lower Valve Body 

  28. Align the guide pins on the upper valve body with the alignment holes in the lower valve body.
    GFD514452Courtesy of FORD MOTOR COMPANY
  29. Install the new valve body channel plate.
    GFD514453Courtesy of FORD MOTOR COMPANY
  30. Loosely install the valve body bolts.
    GFD514438Courtesy of FORD MOTOR COMPANY
    1. Install the park lock pawl solenoid and loosely install the bolts.
    2. Install the shift solenoid retaining plate and loosely install the bolts.
    Fig 1: Park Lock Pawl And Shift Solenoid Retaining Plate Bolt Tightening Sequence
    GFD514454Courtesy of FORD MOTOR COMPANY
  32. Tighten the bolts in the sequence shown.

    Torque: 106 lb.in (12 Nm)

    GFD514455Courtesy of FORD MOTOR COMPANY
  33. Push the internal wiring harness into the retainer.
    GFD514456Courtesy of FORD MOTOR COMPANY
  34. Install the TFT sensor.

    1. Position the TFT sensor in the main control valve body.
    2. Rotate the TFT sensor counter clockwise until the plastic tab locks into place.

    GFD514457Courtesy of FORD MOTOR COMPANY
  35. Connect the internal wiring harness electrical connectors.

    • Slide the plastic lock to the locked position.

    GFD514458Courtesy of FORD MOTOR COMPANY
  36. NOTE: Solenoids are calibrated from the factory and are not all the same. To replace a solenoid, match the replacement solenoid type (normally high/normally low) and the band number with the original solenoid or harsh shifts or damage to the transmission can occur.

    If new solenoids are needed, identify which type (normally high/normally low) of solenoid it is and the solenoid band number.

    GFD514277Courtesy of FORD MOTOR COMPANY
    1. Inspect the solenoid screens for debris that may restrict fluid flow
    2. Lubricate the solenoid O-ring seals.

      Material: Motorcraft® MERCON® ULV Automatic Transmission Fluid / XT-12-QULV (WSS-M2C949-A,) (MERCON® ULV)

    GFD514278Courtesy of FORD MOTOR COMPANY
  38. Install the TCC solenoid, LPC solenoid, solenoid retaining plate and the new bolts.

    Torque: 80 lb.in (9 Nm)

    GFD514459Courtesy of FORD MOTOR COMPANY
  39. Connect the internal wiring harness.

    1. Slide the plastic locks to the locked position.
    2. Connect the internal wiring harness retainer.

    GFD514460Courtesy of FORD MOTOR COMPANY
  40. Install the main control assembly to transmission fluid pump seal.
GFD514234Courtesy of FORD MOTOR COMPANY
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