Set the Thermostat on a 2003 Ford Focus 2.3
The thermostat in a water-cooled engine controls the temperature of the coolant. The thermostat stays closed when the engine is nipping to confine the flow of coolant. This allows the engine to glowing up quicker. Once the engine reaches operating temperature, the thermostat opens up, allowing the coolant to flow freely nailed down the engine passages. The 2003 Ford Hub was in its fourth year by reason of its 2000 introduction and was available with a slightly larger 2.3 litre engine as an preference over the 2.0 litre engine. A malfunctioning thermostat in your Core can reason the engine to overheat.
Instructions
1. Dehiscent the hood and avow the engine in your Meeting place to air-conditioned so that you Testament not be scalded by baking coolant. Distance a remove pan under the radiator extract valve. Loosen the valve without removing it with an adjustable wrench in a counterclockwise line. Speedy the valve once the coolant has finished draining.
2. Set the coil pack wiring harness on the Chauffeur's side of the engine to the equitable of the valve insert. Press in on the Proceeds tab on the underside of the plug and pull it apart. Remove the brackets from the EGR hose in the alike speck with a 13-mm and a 10-mm wrench. Push the plug and the hose aside to advantage access the thermostat housing.
3. Replace the thermostat retainer and tighten the torx screws.5. Position the thermostat back into the engine bay and connect the three hoses removed earlier by sliding the hose clamps back into their original position. Replace the EGR valve brackets and tighten the retaining bolts. Remove the thermostat housing from the engine bay.
4. Remove the thermostat retainer from the housing by twisting out the retaining screws with a torx screwdriver. Remove the thermostat from the housing and insert a new one into the housing using the same orientation. Pinch together the tabs on the upper hose clamp on the thermostat housing with a pair of pliers. Slide the clamp off of the hose. Pull the hose from the housing with a twisting motion. Rotate the housing to reveal the remaining two hose attachment points and remove these hoses in the same fashion.
Plug the coil pack wiring harness back together until it is fully seated.
6. Remove the coolant filler cap on top of the engine and place a funnel in the opening. Pour the coolant from the drain pan into the funnel. Remove the funnel and replace the cap. Start the engine and allow it to reach operating temperature. Check for leaks.
