Sequoia LTD 4WD V8-4.7L (2UZ-FE) (2001)
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Evaporator Case: Testing and Inspection
Component Inspection
Front Unit
INSPECTION
1. CHECK EVAPORATOR FINS FOR BLOCKAGE
If the fins are clogged clean them with compressed air.
2. CHECK CRACKS AND SCRATCHES
If necessary repair or replace.
3. INSPECT THERMISTOR RESISTANCE
Rear Unit
INSPECTION
1. INSPECT EVAPORATOR
a. Check evaporator fins for blockage.
If the fins are clogged, clean them with compressed air.
NOTE: Never use water to clean the evaporator.
b. Check fitting for cracks or scratches.
If necessary, repair or replace.
2. INSPECT HEATER RADIATOR
Inspect fins for blockage.
If the fins are clogged, clean them with compressed air.
3. INSPECT WATER VALVE SERVOMOTOR CIRCUIT
