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Home >> Oldsmobile >> 2002 >> Aurora V8-4.0L VIN C >> Repair and Diagnosis >> Heating and Air Conditioning >> Refrigerant Control Solenoid Valve >> Service and Repair >> Orifice Solenoid Replacement
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Orifice Solenoid Replacement

TOOLS REQUIRED
J 39400-A Halogen Leak Detector

REMOVAL PROCEDURE




1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Disconnect the electrical connector from the orifice solenoid.
3. Disconnect the orifice solenoid from the accumulator cover.
4. Disconnect the hose fittings (1, 2) at each end of the valve.
5. Remove the valve.

INSTALLATION PROCEDURE

IMPORTANT: Lubricate the new expansion tube O-ring with mineral base 525 viscosity refrigerant oil before installing into the evaporator hose.




1. Inspect the orifice valve screen and clean or replace as necessary.

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install the orifice valve to the lines (1, 2) and hand tighten to ensure a good connection.

Tighten
Tighten the fittings to 27 N.m (20 lb ft).




3. Install the orifice valve into the accumulator cover and connect the electrical connector.
4. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
5. Leak test the fittings of the component using the J 39400-A.
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