F 250 4WD Super Duty V10-6.8L VIN Z CNG (2003)
Transmission Cooler: Service and Repair
Cooler Bypass Valve
Cooler Bypass Valve
Removal
1. Remove, and discard the in-line transmission fluid filter, if so equipped.
2. If not done previously, carry out the transmission fluid cooler flow test procedure.
3. Remove the fluid cooler tube from the front cooler line case fitting.
4. Remove the fluid cooler tube from the rear cooler line case fitting.
5. NOTE: The two rubber-coated sealing washers can fall out when removing the cooler line case fitting.
Remove, and discard the front cooler line case fitting and the two rubber-coated sealing washers.
