The thermostat is located where the radiator hose meets the engine.
The engine coolant thermostat acts as a gateway in the cooling transaction To admit or disallow the paragraph of engine coolant finished the engine. To gallop optimally, the engine on your Ford Explorer needs to preserve a fixed temperature, bequeath or haul Ten degrees. The thermostat closes when the engine temperature drops below that doorstep and opens when it rises above it. Unfortunately, thermostats are not unreal to remain forever and should be replaced during every cooling step repair. Practise decided the engine is brumal before initiation any cooling system elbow grease.
Instructions
1. District the void pan below the engine, below the thermostat housing. Fix the thermostat housing by next the upper radiator hose from the radiator to the housing.
2. Avail the socket locate to loosen the hose clamp on the upper radiator hose and then pull the hose off the thermostat housing by labourer. End the hose down toward the drip pan to take any coolant that may escape.
3. Either way, it should come out easily. Note how the thermostat was positioned and oriented in the well for reference during installation.5. Install the new O-ring seal around the base of the new thermostat, if it is not already present. (Some come attached in the packaging while others have the O-ring loose in the bag the thermostat is sold in.) Make sure it is properly seated on the thermostat flange. Whether there is any corrosion, you Testament must to convert the housing.
4. Pull the thermostat out of the well in the top of the engine. If it is stuck, you can use the pocket screwdriver to lift it out. Advantage the socket fix to remove the two bolts that clinch the thermostat housing to the top of the engine. Lift the housing off by labourer. Examine it to arrange positive it has no signs of corrosion; place it aside.
Compare it to the old thermostat for reference. The thermostat on your Ford Explorer does not have a gasket as the O-ring performs the same function, so there is no need for adhesive.
6. Place the new thermostat in the well, with the spring facing down into the engine. Make sure it is seated correctly. Reinstall the thermostat housing and upper radiator hose in reverse of how they were removed. If you lost any coolant in Step 2, replace it now with a 50/50 mixture of coolant and distilled water.
