Eclipse RS FWD L4-1997cc 2.0L DOHC MFI (1997)
Expansion Valve: Testing and Inspection
1. Check quantity of refrigerant gas during refrigeration cycle.
2. Install manifold gauge set.
3. Run the engine at 2,000 rpm at least 5 minutes.
4. Read the manifold gauge and check for gas leakage from the evaporator by using gas leak detector.
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If the expansion valve is clogged low pressure reading will drop to 0 kg/sq.cm, otherwise it is OK.
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If the expansion valve is clogged or gas leak from the evaporator, then repair or replace as necessary.
