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Tutorial on Replacing the Thermostat of a Toyota Tacoma

The thermostat in your Toyota Tacoma is an essential part of the trucks engine cooling system. The thermostat expands when the coolant in your engine becomes too hot, opening a valve that allows much more coolant to circulate through the system. The increase in coolant flowing through the radiator brings down the overall fluid temperature, and as a result, your trucks engine continues to operate within the optimal engine temperature. When the thermostat is no longer working properly, the engine overheats and the thermostat needs to be replaced.

Instructions

1

Remove the lower radiator hose by unscrewing the clamps and pulling off the hose.

2

Unscrew the two bolts on top of the thermostat.

3

Remove the thermostat and the gasket from the water pump.

4

Clean the thermostat housing, removing any dirt and leftover gasket pieces.

5

Line up the valve on the new thermostat with the point on the inlet, and place the new thermostat and gasket into the thermostat housing.

6

Screw the two bolts you removed earlier back into place.

7

Reattach the lower radiator hose and clamp it into place.

8

Top off the radiator with fresh coolant.