F 250 4WD Pickup V6-4.2L VIN 2 (1998)
6. Polish for 1 minute at moderate speed (less than 1500 rpm) or until the surface is clean and free of scratches or debris.
CAUTION: Maintain low speed drill rotation when inserting or removing the cleaning tool to prevent axial scratches which may cause future
leaks.
7. Clean the fitting with a lint-free cloth.
8. Inspect the surface for grooves or scratches. If grooves and scratches are still present, replace the component.
9. Clean the O-ring grooves with a 300 mm (12 inch) length of natural fiber string.
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Loop the string around the grooves and pull the string back and forth.
10. Remove any debris from the grooves with a lint-free cloth.
CONNECT
1. Install the A/C tube lock coupling spring.
2. Lubricate the inside of the coupling with Motorcraft YN-12c refrigerant oil or equivalent meeting Ford specification WSH-M1C231-B.
3. Install the O-ring seals.
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Lubricate the O-ring seals with Motorcraft YN-12c refrigerant oil or equivalent meeting Ford specification WSH-M1C231-B.
CAUTION: Use only new green O-rings. The use of any O-ring seals other than specified may result in intermittent leakage during vehicle
operation.
