Cooling System (Mechanical): Thermostat: Removal

NOTE: Removal of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. Do not remove the thermostat, even if the engine tends to overheat.

DRAIN ENGINE COOLANT
REMOVE AIR CLEANER INLET
DISCONNECT WATER INLET FROM WATER INLET HOUSING
Remove the 3 nuts, and disconnect the water inlet from the water inlet housing.
REMOVE THERMOSTAT

Fig 1: Removing Thermostat
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Remove the thermostat.
2. Remove the gasket from the thermostat.