Expansion Valve: Testing and Inspection

ON-VEHICLE INSPECTION
1. Connect the manifold gauge set.
2. Operate the engine at 2,000 rpm and set the air conditioner to MAX-COOLING.





3. Check the low and high pressures.

Normal pressure:
LOW PRESSURE: 196 - 294 kPa (2 - 3 kg/cm2, 28 - 43 psi)
HIGH PRESSURE: 1,373 - 1,570 kPa (14.0 - 16.0 kg/cm2, 199 - 228 psi)

If the pressures are not as specified, replace the expansion valve.