Fluid Line/Hose: Service and Repair
Transmission Fluid Cooler TubesRemoval
All vehicles
1. WARNING: The electrical power to the air suspension system must be shut off prior to hoisting, jacking or towing an air suspension vehicle. This can be accomplished by turning off the air suspension switch in the RH kick panel area. Failure to do so may result in unexpected inflation or deflation of the air springs which may result in shifting of the vehicle during these operations.
Raise and support the vehicle.
2. Remove the bolts and the side plate (4x4 vehicles).
3. Remove three fasteners and position the air deflector aside.
4. CAUTION: Install a new inline transmission fluid filter (XC3Z-7B155-BA) 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.
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 in-tank transmission fluid cooler or the auxiliary transmission fluid cooler, if so equipped, 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.
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4R70W without auxiliary fluid cooler
6. Remove the fluid cooler tubes, as necessary.
4R70W with auxiliary fluid cooler
7. Remove the fluid cooler tubes, as necessary.
4R100 without auxiliary fluid cooler
8. NOTE: If Cooler Bypass Valve (CBV) assembly removal is necessary, refer to Cooler Bypass Valve.
Remove the fluid cooler tubes, as necessary.
4R100 with auxiliary fluid cooler
9. NOTE: If Cooler Bypass Valve (CBV) assembly removal is necessary, refer to Cooler Bypass Valve.
Remove the fluid cooler tubes, as necessary.
Installation
4R70W without auxiliary fluid cooler
1. Install the fluid cooler tube(s).
4R70W with auxiliary fluid cooler
2. Install the fluid cooler tube(s).
4R100 without auxiliary fluid cooler
3. NOTE: If the CBV assembly was removed, refer to Cooler Bypass Valve.
Install the fluid cooler tube(s).
4R100 with auxiliary fluid cooler
4. NOTE: If the CBV assembly was removed, refer to Cooler Bypass Valve.
Install the fluid cooler tube(s).
5. CAUTION: Install anew inline transmission fluid filter (MVM35-BA) as part of a transmission overhaul or exchange. H 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.
CAUTION: Verify that the flow arrow on the filter points toward the transmission.
If the vehicle was equipped with an inline fluid filter, 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). Carry out the transmission fluid cooler flow test procedure to verify that there is correct fluid flow through the new Wine fluid filter.
6. Position the air deflector and install the fasteners.
7. Position the skid plate and install the bolts (4x4 vehicles).
8. Lower the vehicle.
Vehicles with 4R100 transmission
9. CAUTION: Do not use any fluid approved for MERCON V application. Using a fluid rated for MERCON V may cause internal damage in MERCON only applications.
Fill the transmission with the specified type and quantity of transmission fluid.
- Use Motorcraft MERCON V Multipurpose (ATF) Transmission Fluid XT-5-QM or equivalent meeting MERCON V specifications.
Vehicles with 4R70W transmission
10. Fill the transmission with the specified type and quantity of transmission fluid.
- Use MERCON V Automatic Transmission Fluid XT-5-QM or equivalent meeting MERCON V specification.
All vehicles
11. Check for leaks.
12. If equipped with air suspension, reactivate the system by turning on the air suspension switch.