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Home >> Lincoln >> 2019 >> Nautilus Base, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transmission - 8-Speed Automatic Transmission - 8F57 (2 Of 2)) >> General Procedures >> Transmission Fluid Drain and Refill

Transmission Fluid Drain and Refill

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Special Tool(s) / General Equipment 

Funnel

Materials 

Name Specification
Motorcraft® MERCON® ULV Automatic Transmission FluidXT-12-QULV WSS-M2C949-A, MERCON® ULV

Draining 

  1. With the vehicle in NEUTRAL, position the vehicle on a hoist. Refer to: Jacking and Lifting - Overview .
  2. Remove the retainers and the underbody shield.
    GFD426028Courtesy of FORD MOTOR COMPANY
  3. NOTE: Be prepared to collect escaping fluid.
    NOTE: If an internal problem is suspected, drain the transmission fluid through a paper filter. A small amount of metal or friction particles may be found from normal wear. If an excessive amount of metal or friction material is present, the transmission will need to be overhauled.

    Remove the transmission fluid drain plug and drain the transmission fluid.

    GFD428353Courtesy of FORD MOTOR COMPANY
  4. Install the transmission fluid drain plug.

    Torque

    : 124 lb.in (14 Nm)

GFD428353Courtesy of FORD MOTOR COMPANY

Filling 

  1. Remove the air cleaner. Refer to: Air Cleaner 2.7L EcoBoost .
  2. Remove the transmission vent cap and fill with transmission fluid.

    Material

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

    Volume

    : 6.34 qt (6 L)

    GFD428354Courtesy of FORD MOTOR COMPANY
  3. NOTE: Steps 3-8 apply if the transmission was overhauled.

    Install the air cleaner. Refer to: Air Cleaner 2.7L EcoBoost .

  4. Start the engine.
  5. With foot on the brake, slowly select each gear position, stopping in each position and allowing the transmission to engage.
  6. With the engine running in PARK, remove the oil leveling plug.
    GFD428355Courtesy of FORD MOTOR COMPANY
  7. Add clean transmission fluid in increments of 0.25L (0.5 pt) until the transmission fluid is running down the transmission case. Use the General Equipment: Funnel

    Material

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

    GFD428356Courtesy of FORD MOTOR COMPANY
  8. Install the oil leveling plug.

    Torque

    : 30 lb.ft (40 Nm)

    GFD428355Courtesy of FORD MOTOR COMPANY
  9. Remove the air cleaner. Refer to: Air Cleaner 2.7L EcoBoost .
  10. Install the transmission vent.
    GFD428354Courtesy of FORD MOTOR COMPANY
  11. Install the air cleaner. Refer to: Air Cleaner 2.7L EcoBoost .
  12. Connect the diagnostic scan tool to the vehicle. Monitor the TFTPID.
  13. Drive the vehicle until the transmission is at normal operating temperature 85-93 deg. C (185-200 deg. F).
  14. With the engine running in PARK, remove the oil leveling plug.
    GFD428355Courtesy of FORD MOTOR COMPANY
  15. Video Below 
    NOTE: Transmission fluid level correct.

    Transmission fluid level correct.

    GFD428357Courtesy of FORD MOTOR COMPANY
  16. NOTE: Transmission fluid overfilled.

    Transmission fluid overfilled.

    GFD428358Courtesy of FORD MOTOR COMPANY
  17. NOTE: Transmission fluid level low.

    Transmission fluid level low.

    GFD428359Courtesy of FORD MOTOR COMPANY
  18. Install the oil leveling plug.

    Torque

    : 30 lb.ft (40 Nm)

    GFD428355Courtesy of FORD MOTOR COMPANY
  19. Remove the air cleaner. Refer to: Air Cleaner 2.7L EcoBoost .
  20. Remove the transmission vent.
    GFD428354Courtesy of FORD MOTOR COMPANY
  21. Add 0.5L (1 pt) of clean transmission fluid.

    Material

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

    GFD428356Courtesy of FORD MOTOR COMPANY
  22. Install the transmission vent.
    GFD428354Courtesy of FORD MOTOR COMPANY
  23. Install the air cleaner. Refer to: Air Cleaner 2.7L EcoBoost .
  24. Install the underbody shield and the retainers.
GFD426028Courtesy of FORD MOTOR COMPANY