E 250 3/4 Ton Van V8-5.4L CNG VIN M (1997)
2. Connect the A/C cycling switch connector.
3. Connect the evaporator discharge line.
a. Install a new green O-ring.
^
Lubricate the new O-rings liberally with clean Motorcraft YN-12b refrigerant oil or equivalent meeting Ford specification
WSH-M1C231-B.
Note: The green O-ring(s) cannot be seen. They are located in the connection(s).
b. Connect the evaporator discharge line.
4. Connect the auxiliary evaporator to compressor line spring lock coupling.
5. Install the screw.
