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Home >> Mercury >> 2009 >> Grand Marquis V8-4.6L Flex Fuel >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Service and Repair >> Procedures >> Transmission Fluid Drain and Refill

Transmission Fluid Drain and Refill




4R70E/4R75E

Transmission Fluid Drain and Refill










All vehicles using a suitable Automatic Transmission Flush and Fill Machine

NOTICE: Use only transmission fluid specified for this transmission. Do not use any supplemental transmission fluid additives or cleaning agents. The use of these products may cause internal transmission components to fail; this will affect the operation of the transmission.

NOTICE: Always refer to the instructions supplied with the Automatic Transmission Flush and Fill Machine.

Draining

1. WARNING: Before servicing a vehicle equipped with a fire suppression system, depower the system by following the procedure in Fire Suppression System. Failure to follow the instructions may result in serious personal injury Procedures.

With the vehicle in NEUTRAL, position it on a hoist.

2. Use a suitable Automatic Transmission Flush and Fill Machine to change the transmission fluid.

3. When connecting the Automatic Transmission Flush and Fill Machine, connect the machine to the transmission fluid cooler tube after the transmission fluid cooler on the cooler return tube. This will help remove any foreign material trapped in the transmission fluid coolers.

Refill

NOTE: Use only approved transmission fluid.

4. Once the transmission fluid exchange has been completed, disconnect the Automatic Transmission Flush and Fill Machine. Reconnect any disconnected transmission fluid cooler tubes.

5. With the engine running and the transmission at normal operating temperature 66-77°C (150-170°F), check and adjust the transmission fluid level, and check for any leaks. If transmission fluid is needed, add fluid in increments of 0.24L (0.5 pt) until the correct level is achieved (fluid should be in the cross-hatched area of the fluid level indicator).

6. WARNING: If the vehicle is equipped with a fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System. Failure to follow these instructions may result in serious personal injury Procedures.

If equipped with a fire suppression system, repower the system.


All vehicles without using a suitable Transmission Flush and Fill Machine

Draining

1. WARNING: Before servicing a vehicle equipped with a fire suppression system, depower the system by following the procedure in Fire Suppression System. Failure to follow the instructions may result in serious personal injury Procedures.

With the vehicle in NEUTRAL, position it on a hoist.

2. Loosen the transmission fluid pan bolts and allow the fluid to drain. After the fluid has drained, remove the transmission fluid pan.





3. NOTE: Do not remove the transmission fluid filter. It is not necessary to change the transmission fluid filter during a normal maintenance fluid change.

Clean and inspect the transmission fluid pan, transmission fluid pan gasket and magnet.





4. Thoroughly flush the transmission fluid cooler tubes. For additional information, refer to Transmission Fluid Cooler Tubes Backflushing and Cleaning Transmission Fluid Cooler Tubes - Backflushing and Cleaning.

Refill

5. Position the magnet into the transmission fluid pan.





6. NOTE: The transmission fluid pan gasket is reusable. Clean and inspect for damage. If not damaged, the gasket should be reused.

Install the transmission fluid pan and gasket.

1. Position the transmission fluid pan with the gasket in place.

2. Install the bolts.
- Tighten to 14 Nm (124 lb-in).





7. NOTICE: The use of any other transmission fluid may result in the transmission failing to operate in a normal manner or transmission failure.

Fill the transmission.

- Add 4.7L (5 qt) of automatic transmission fluid to the transmission through the fluid filler tube.

8. Start the engine. Move the transmission selector lever through all the gear ranges, checking for engagements.

9. With the engine running and the transmission at normal operating temperature 66-77°C (150-170°F), check and adjust the transmission fluid level, and check for any leaks. If transmission fluid is needed, add fluid in increments of 0.24L (0.5 pt) until the correct level is achieved (fluid should be in the cross-hatched area of the fluid level indicator).

10. WARNING: If the vehicle is equipped with a fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System. Failure to follow these instructions may result in serious personal injury Procedures.

If equipped with a fire suppression system, repower the system.

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