Previa Van 4WD L4-148.8 2438cc 2.4L DOHC (2TZ-FE) (1991)
Evaporator Core: Testing and Inspection
FRONT EVAPORATOR INSPECTION
1. INSPECT EVAPORATOR FINS BLOCKAGE
If the fins are clogged. clean them with compressed air.
NOTE: Never use water to clean the evaporator.
2. INSPECT FITTINGS FOR CRACKS OR SCRATCHES
Repair as necessary.