F 550 4WD Super Duty V8-7.3L DSL Turbo VIN F (2001)
Fluid Line/Hose: Service and Repair
Cooler Bypass Valve
Cooler Bypass Valve
Removal
1. Raise and support the vehicle.
2. CAUTION: Install a new inline transmission fluid filter (XC3Z-7Bl55-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.
3. If not done previously, carry out the transmission fluid cooler flow test procedure.
4. Remove the fluid cooler tube from the front cooler line case fitting.
5. Remove the fluid cooler tube from the rear cooler line case fitting.
