Metro L4-079 1.3L VIN 2 MFI (2001)
Expansion Valve: Service and Repair
Expansion Valve Replacement
REMOVAL PROCEDURE
TOOLS REQUIRED
J 39183-C R-134a Manifold Gauge Set
1. Remove the evaporator from the vehicle.
2. Remove the expansion valve (3) from the evaporator.
3. Connect the expansion valve (3) to a J 39183-C. Connect the gauge set charging hose to a Refrigerant-134a refrigerant drum (2).
4. Soak the valve's remote bulb in water.
5. Close the high pressure valve and the low pressure valve.
6. Open the valve to the refrigerant drum.
7. Open the high pressure valve to approximately 5 kg/Sq cm. (70 psi).
8. Read the pressure that is indicated on the low pressure gauge (5).
9. Measure the water temperature with a thermometer.