Automatic

Transmission Fluid Cooler Tubes-Automatic Transmission

Removal

1. Raise and support the vehicle.





2. Remove the bolts and the skid plate (4x4 only).





3. Remove bolts and the air deflector.





4. CAUTION: Install a new inline transmission fluid filter (XC3Z-7B155-BA) every 48,000 km (30,000 miles) and always as part of a transmission overhaul or exchange. If the vehicle was not equipped with an inline fluid filter install a new inline transmission fluid filter kit (XC3Z-7Bl55-AA) according to the instructions supplied with the kit as part of a transmission overhaul or exchange.

NOTE: The inline transmission fluid filter, if so equipped, is attached to the fluid cooler return tube. The fluid cooler return tube runs from the oil-to-air (OTA) transmission fluid cooler to the rear transmission cooler tube case fitting.

Remove, and discard the inline transmission fluid. filter, if so equipped.
5. If not done previously, carry out the transmission fluid cooler flow test procedure.














6. NOTE: If Cooler Bypass Valve (CBV) assembly removal is necessary, refer to Cooler Bypass Valve.

Disconnect each fluid cooler tube, as necessary.





7. NOTE: To remove production fluid cooler tubes from some vehicle applications, it will be necessary to use a tube cutter to cut the tubes at the fluid cooler tube bracket.

Remove the nut, the fluid cooler tube bracket, and the fluid cooler tube(s).

Installation

















1. NOTE: If the CBV assembly was removed, refer to Cooler Bypass Valve for the installation procedure.

Install and connect the fluid cooler tube(s).





2. CAUTION: Install a new inline transmission fluid filter (XC3Z-7B155-BA) every 48,000 km (30,000 miles) and always as part of a transmission overhaul or exchange. If the vehicle was not equipped with an inline fluid filter install a new inline transmission fluid filter kit (XC3Z-7B155-AA) according to the instructions supplied with the kit as part of a transmission overhaul or exchange.

CAUTION: Failure to follow the instructions supplied with the inline transmission fluid filter kit can cause transmission damage.

Verify that the flow arrow on the filter points toward the transmission.

Install a new inline transmission fluid filter (XC3Z-7B155-BA). If the vehicle was not equipped with an inline fluid filter install a new inline transmission fluid filter kit (XC3Z-7B155-AA) according to the instructions supplied with the kit. Carry out the transmission fluid cooler flow test procedure to verify that there is correct fluid flow through the new inline fluid filter.





3. Position the air deflector and install the bolts.





4. Position the skid plate and install the bolts (4x4 only).
5. Lower the vehicle.

6. CAUTION: Do not use any fluid approved for MERCON V application. Using a fluid rated for MERCON V may cause internal damage in MERCON V only applications.

Fill the transmission with the specified type and quantity of transmission fluid.
- Use Motorcraft MERCON V Multi-Purpose (ATF) Transmission Fluid XT-5-QM or equivalent meeting MERCON V specifications.

7. Check for leaks.