Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Thermostat: Inspection
INSPECTION PROCEDURE 1. INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY CAUTION: Do not put your hands into the water that has been heated for the inspection. Touching the heated water could result in burns. HINT: The valve opening temperature is inscribed on the water inlet with thermostat sub-ass ...