F 350 4WD Super Duty V8-7.3L DSL Turbo VIN F (2001)
1. Install the A/C tube lock coupling spring.
2. Lubricate the inside of the coupling with PAG Refrigerant Compressor Oil (R-134a Systems) or equivalent.
3. Install the O-ring seals.
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Lubricate the O-ring seals with PAG Refrigerant Compressor Oil (R-134a Systems) or equivalent.
CAUTION: Use only new green O-ring seals. The use of any O-ring seals other than specified may result in intermittent leakage during vehicle
operation.
4. Connect the spring lock coupling fittings with a twisting motion until the A/C tube lock coupling spring snaps over the flared end of the female
fitting.