2004 Chevy Trailblazer Thermostat Location. 2004 Chevrolet Trailblazer Thermostat. Place a drain pan on the ground under the radiator drain plug of your Trailblazer.
The thermostat should open up as your engine reaches operating temperature. 2004 Chevy Blazer Thermostat Replacement Youtube size. There are 2 ways you can access the thermostat neither one is easy but whatever works for you.
2004 Chevrolet Blazer LS 2-Door 4WD-General.
This makes the engine warm up more quickly and reduces emissions. The thermostat housing will be at the end of the upper radiator hose connected to the motor. Duralast Thermostat and Housing Assembly 41392 25. Your thermostat is a valve in your cooling system that stays closed when the engine is cold creating a shorter coolant circulation path.