Transmission Fluid Drain and Refill

For information on Ford Color Coded Illustrations refer to OEM Color Coding .

Materials 

Draining 

1. With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
2. Remove the engine front undershield. Refer to: Engine Front Undershield .
3. 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 drain plug and drain the transmission fluid. Install the drain plug.

   Torque: 159 lb.in (18 Nm)

   Courtesy of FORD MOTOR COMPANY

4. Compress the constant tension clamp and remove the transmission vent from the fill tube.

   Courtesy of FORD MOTOR COMPANY

5. NOTE: The following fluid amounts listed below are for initial fill only. The transmission fluid must be even with the oil leveling plug hole and the transmission must be at normal operating temperature 85-93°C (185-200°F) or transmission damage can occur.
   1. Transmission overhaul (includes main control and torque converter drain)

      Volume: 6.34 qt (6 L)

   2. Main control overhaul or replace (with out transmission overhaul)

      Volume: 5.28 qt (5 L)

   3. Transmission draining and filling (for engine and halfshaft related repairs)

      Volume: 4.23 qt (4 L)

   • Material: Motorcraft® MERCON® LV Automatic Transmission Fluid / XT-10-QLVC (WSS-M2C938-A) (MERCON® LV,)

6. Start the engine and select each gear, stopping in each position and allowing the transmission to engage.
7. With the vehicle on a level hoist, the engine running in PARK, remove the oil leveling plug and allow the transmission fluid to drain until its even with the oil leveling plug hole. If the transmission fluid does not drain from the oil leveling plug hole add transmission fluid in increments of 0.25 L (0.264 qt) until the transmission fluid is even with the oil leveling plug hole. Install the oil leveling plug.
   1. Standard transmission case (M10 plug)

      Torque: 71 lb.in (8 Nm)

   2. Fuel economy transmission case (M20 plug)

      Torque: 26 lb.ft (35 Nm)

   Courtesy of FORD MOTOR COMPANY

8. With the clamp facing the front of the vehicle, compress the constant tension clamp and install the transmission vent on the fill tube.

   Courtesy of FORD MOTOR COMPANY

9. Drive the vehicle until the transmission is at normal operating temperature 85-93° C (185-200° F).
10. With the vehicle on a level hoist, the engine running in PARK and the transmission fluid at normal operating temperature 85-93°C (185-200°F), remove the oil leveling plug and allow the transmission fluid to drain until it is even with the oil leveling plug hole. Install the oil leveling plug.
    1. Standard transmission case (M10 plug)

       Torque: 71 lb.in (8 Nm)

    2. Fuel economy transmission case (M20 plug)

       Torque: 26 lb.ft (35 Nm)

    Courtesy of FORD MOTOR COMPANY

11. Install the engine front undershield. Refer to: Engine Front Undershield .