Operation CHARM: Car repair manuals for everyone.

Compressor Fitting HVAC: Service and Repair


1. Remove screws securing connectors.
2. Pull out connectors, noting mounting direction.
3. Coat new O-rings with clean refrigerant oil and install in service valves.
4. Insert service valves into correct ports in crankcase.
5. Position valves in correct mounting position, then torque screws to 15-23 ft. lbs.