F 350 2WD Super Duty V10-6.8L VIN S (1999)
Transmission Cooler: Service and Repair
Cooler Bypass Valve
Removal and Installation
NOTE: MERCON Automatic Transmission Fluid is being replaced by MERCON V as a service fluid.
Removal
1. Raise the vehicle on a hoist.
2. Remove the front cooler tube, from the front Cooler Bypass Valve (CBV) fitting.
3. Remove the rear cooler tube, from the rear CBV fitting.
4. NOTE: The two rubber coated sealing washers can fall off during removal of the front CBV bolt cooler line case fitting.
Remove the front CBV bolt cooler line case fitting.
