How do you replace a thermostat in a 2000 Toyota Avalon?

Answer 1

To replace the thermostat in a 2000 Toyota Avalon, first, ensure the engine is cool and disconnect the negative battery cable. Drain the coolant, then remove the upper radiator hose connected to the thermostat housing. Unbolt the thermostat housing, replace the old thermostat with the new one, and reassemble by tightening the housing and reconnecting the hose. Finally, refill the coolant, start the engine, and check for leaks.