Elantra GLS Wagon L4-2.0L (2000)
Evaporator Core: Service and Repair
EVAPORATOR UNIT ON-VEHICLE 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 the gas leakage from the evaporator by using gas leak detector.
1) If the expansion valve is clogged low pressure, reading will drop to 0 kg/cm2, otherwise it is okay.
2) If the expansion valve is clogged or gas leak from the evaporator, then repair or replace as necessary.
REMOVAL AND INSTALLATION
NOTE:
Plug all of the open fittings immediately after removal in order to keep moisture out of the air conditioning system.
1. Disconnect battery negative terminal.
2. Discharge refrigerant from the air conditioning system.
3. Disconnect fittings connected to the evaporator unit from the engine compartment.
4. Remove the main crash pad assembly.
