F 150 4WD Pickup V8-281 4.6L VIN W EFI (1997)
Transmission Cooler: Service and Repair
Backflushing and Cleaning
1. Raise and support the vehicle.
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 LOCATED 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.
2. Disconnect the transmission fluid cooler tubes.
3. Connect the cleaner hoses.
(1) Attach the cleaner tank pressure line to the transmission fluid cooler return tube (front tube on transmission).
(2) Attach the tank return hose to the fluid cooler inlet tube (rear tube on transmission).
NOTE:
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Connect two rubber hoses to the transmission end of the transmission fluid cooler tubes to aid in attaching the cleaner to the transmission
fluid cooler tubes.
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Use Torque Converter/Oil Cooler Cleaner to backflush the system.
4. Turn on the solvent pump and allow the solvent to circulate for a minimum of five minutes.
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Cycle the pump switch on and off to help dislodge contaminants in the cooling system.
5. Switch off the solvent pump.
