The Lexus GS 300 thermostat is located on the front of the engine. You can find the thermostat by following the radiator hose to the thermostat.
1992 Lexus es300 wear the thermostat is located
THE THERMOSTAT IS ON THE BOTTOM HOSE BEHIND OF THE ALTENATOR. ITS A B1T
the thermostat is next to the water pump. Follow the lower radiator hose from the rad to the engine. that is were you will find the thermostat.
In the gas tank
The 2001 Lexus coolant temperature sensor can be found on the front of the engine. The coolant temperature sensor will be in the vicinity of the thermostat housing.
Thermostat is stuck closed.
The starter is located on the left (drivers) side of the engine, below the exhaust manifold to the rear (near the firewall).
Probably at the engine end of the upper radiator hose
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window and door relay location 92 lexus 300 es
The thermostat is located on the side of the engine block which follow the bottom radiator hose, it should have 2 nuts on it. You should also temporary remove the air intake hose for ease of access and remove the thermostat. There was an answer said to follow the top radiator hose which is completely misleading.