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Home >> Lincoln >> 2011 >> MKZ Base, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - AISIN Aw21 >> In-Vehicle Repair >> Main Control Valve Body >> Installation

Main Control Valve Body: Installation

    NOTE: When installing the main control valve body, place the wire harness in the open space of the separate plate, being careful not to pinch the harness. Damage to the harness will occur.
    Fig 1: Identifying Manual Valve Link
    G07785934Courtesy of FORD MOTOR CO.
  1. Connect the manual valve link and position the main control valve body in place.
  2. Loosely install the 6 main control valve body bolts in the sequence shown in the illustration.
    Fig 2: Identifying Main Control Valve Body Bolts Sequence
    G07785935Courtesy of FORD MOTOR CO.
  3. Install the suction cover gasket, cover and loosely install the 2 bolts.
    Fig 3: Identifying Bolts, Suction Cover And Gasket
    G07785936Courtesy of FORD MOTOR CO.
  4. Tighten the 8 bolts to 10 Nm (89 lb-in) in the sequence shown in the illustration.
    Fig 4: Identifying Main Control Valve Body Bolts Tightening Sequence
    G07785937Courtesy of FORD MOTOR CO.
  5. Lubricate the O-ring with clean automatic transmission fluid and install the TFT sensor.
    • Tighten to 10 Nm (89 lb-in).
    Fig 5: Identifying Transmission Fluid Temperature Sensor Bolt And Lock Plate
    G07785938Courtesy of FORD MOTOR CO.
  6. Install the 2 speed sensor wire connectors on the solenoid clamp.
    1. Install the Output Shaft Speed (OSS) sensor wire connector on the solenoid clamp.
    2. Install the Turbine Shaft Speed (TSS) sensor wire connector on the solenoid clamp.
    Fig 6: Identifying Output Shaft Speed Sensor Wire Connector And Turbine Shaft Speed Sensor Wire Connector
    G07785939Courtesy of FORD MOTOR CO.
  7. Connect the wire harness to the solenoids.
    1. Install the wire harness into the clamps.
    • Connect the 8 solenoid connectors and the 2 speed sensor connectors.
    Fig 7: Locating Solenoid Connectors And Speed Sensor Connectors
    G07785940Courtesy of FORD MOTOR CO.
  8. Install a bead of sealer to the fluid pan.
    Fig 8: Identifying Fluid Pan Sealer Applying Area
    G07785941Courtesy of FORD MOTOR CO.
  9. Using new pan bolts, install the fluid pan.
    • Tighten to 13 Nm (115 lb-in).
    Fig 9: Locating Fluid Pan Bolts
    G07785942Courtesy of FORD MOTOR CO.
    10. NOTE: Lubricate the new O-rings with clean automatic transmission fluid and install them onto the transmission fluid cooler tubes.
    Fig 10: Locating Transmission Fluid Cooler Tubes Mounting Bolts
    G07785943Courtesy of FORD MOTOR CO.
  10. Connect the transmission fluid cooler tubes to the transaxle.
    • Tighten to 10 Nm (89 lb-in).
  11. Install the transmission fluid drain plug.
    • Tighten to 47 Nm (35 lb-ft).
    Fig 11: Locating Transmission Fluid Drain Plug
    G07785944Courtesy of FORD MOTOR CO.
  12. Install the underbody cover and the screws.
    Fig 12: Locating Underbody Cover Screws
    G07785945Courtesy of FORD MOTOR CO.
  13. Remove the transmission fluid fill plug.
    Fig 13: Locating Transmission Fluid Fill Plug
    G07785946Courtesy of FORD MOTOR CO.
  14. Fill the transaxle with approximately 4.7L (5 qt) of clean transmission fluid.
  15. Install the transmission fluid fill plug.
    • Tighten to 39 Nm (29 lb-ft).
    Fig 14: Locating Transmission Fluid Fill Plug
    G07785947Courtesy of FORD MOTOR CO.
  16. With the transaxle in PARK, the vehicle on a level surface, the engine at idle (680-780 rpm) and foot pressed on the brake, move the selector lever through each gear and allow engagement of each gear. Place the selector lever back in the PARK position.
  17. Wipe the transmission fluid level indicator cap and remove the transmission fluid level indicator.
  18. Wipe the transmission fluid level indicator with a clean cloth.
    19. NOTE: In order to get an accurate transmission fluid level reading, the vehicle should be on a level surface. Idle the engine to reach the normal operating temperature. Using the scan tool, verify that the transaxle is at normal operating temperature 60°C-70°C (140°F-158°F), prior to adjusting the transmission fluid level.
    Fig 15: Locating Transmission Fluid Level Indicator Cap
    G07785948Courtesy of FORD MOTOR CO.
  19. If transmission fluid needs to be added, add transmission fluid in 0.25L (1/2 pt) increments through the transmission fluid fill plug located on the top of the transaxle near the transmission fluid level indicator. Do not overfill the transmission fluid. Install the transmission fluid level indicator back in the transmission fluid filler tube until it is fully seated, then remove the transmission fluid level indicator. The transmission fluid level should be at the upper most mark on the transmission fluid level indicator. Only fill to the upper most mark on the transmission fluid level indicator. Do not overfill.

    Damage to the transaxle will occur.

    20. NOTE: The correct transmission fluid level at normal operating temperature of 60°C-70°C (140°F-158°F) is between the top 2 marks on the transmission fluid level indicator.
    Fig 16: Locating Marks On Transmission Fluid Level Indicator
    G07785949Courtesy of FORD MOTOR CO.
  20. Fill the transaxle to the correct transmission fluid level.
    21. NOTE: The correct transmission fluid level at cool operating temperature of 15°C-25°C (59°F-77°F), is at the bottom mark on the transmission fluid level indicator.
    Fig 17: Locating Mark On Transmission Fluid Level Indicator
    G07785950Courtesy of FORD MOTOR CO.
  21. If the TFT is low, fill the transaxle with transmission fluid to the cold range on the transmission fluid level indicator. Recheck the transmission fluid level when the transaxle has reached the normal operating temperature.
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