E 250 3/4 Ton Van V8-5.4L CNG VIN M (1997)
NOTE: If the vehicle is equipped with an auxiliary A/C-heater system, perform Steps 7 and 8. Otherwise, proceed to Step 9.
10. Install the screw.
11. Connect the compressor suction line.
a. Install a new green O-ring.
^
Lubricate 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 compressor suction line.
NOTE: If the vehicle is equipped with a standard A/C system, perform Step 9. Otherwise, proceed to Step 10.
c. Install the screw.
12. Connect the evaporator discharge line.
a. Install a new green O-ring.
^
Lubricate 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.
NOTE: Use a wrench on each side of the fitting to prevent damage to the A/C fitting.
