Econoline E150 1/2 Ton V8-5.4L SOHC VIN L (1999)
Transmission Cooler: Service and Repair
Cooler Bypass Valve
Removal
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 located in Rh kick panel area. Failure to turn the air
suspension off may result in the 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 front cooler tube from the front cooler bypass valve fitting.
3. Remove the rear cooler tube from the rear cooler bypass valve fitting.
4. NOTE: The two rubber-coated sealing washers can fall out during removal of the front cooler bypass valve (CBV) case bolt.
Remove the front cooler bypass valve (CBV) case bolt.
5. NOTE: The two rubber-coated sealing washers can fall out during removal of the rear cooler bypass valve (CBV) case bolt.
