Description of the design of the engine cooling system The coolant level is clearly visible in the transparent expansion tank next to the right shock absorber dome. If you frequently add small amounts of coolant, check the...
Cooling system components Water pump: in all Focus engines, the coolant is driven in the cooling system by a so-called centrifugal pump. Schematic representation of a water pump (centrifugal...
Cooling liquid The coolant in the Focus is a mixture of antifreeze, anticorrosive agent and water. Ford fills the factory with a coolant that is approximately 50% coolant concentrate...
Checking the cooling system for leaks Are the water hoses on the radiator, on the engine and to the heating radiator tight? You can easily recognize leaks by the white sediment around the leaky area. Check:...
Checking the level and adding coolant Check the coolant level when the engine is cold - the cooling system is under virtually no pressure and the coolant has reached its normal expansion. When the engine is...
Replacing the coolant Ford recommends replacing the coolant only after 10 years or 240,000 km. Although this only applies to the original WSS-M97B44-D (Motorcraft Super Plus 2000) fluid. But...
Resist winter — protection from frost down to -30°C Frost protection down to -30°C is quite sufficient in our country. This corresponds to approximately 50% mixture based on Ford concentrate. But if you periodically...
The engine is losing coolant If the engine has lost a large amount of coolant during a trip, do not add cold water under any circumstances: the hot engine will experience cold shock, which in...
Removing and checking the thermostat Remove the thermostat only when the engine is cold. An experienced amateur can do this job, but a workshop will do it better. If you feel up to it, first release the...
The engine «boils» — a faulty radiator fan Your Focus's cooling system copes equally well with long idling periods and stressful mountain-climbing drives. If, however, the temperature rises to the boiling point,...
Removing the radiator fan Securely raise the front of the vehicle. Disconnect the battery ground cable (terminal 31) and the multi-pin connectors (arrows) at the defective blower motor. Loosen...
Removing the radiator Raise the front of the vehicle securely. Disconnect the battery ground cable (terminal 31) and the wire connectors at the blower motor. Disconnect the wire from the...
Replacing coolant hoses If a coolant hose bursts while driving, temporarily seal the leak with adhesive tape. To be on the safe side, slightly loosen the radiator cap: then the operating...
Air filter (air intake noise damper) In order to extend the service life of the engine, the intake air - before it combines with the fuel to form a flammable mixture - passes through a special filter...
Cleaning and replacing the air filter insert You should clean the filter element and the place where it is installed - the foam dust collector in the air filter box - at least once a year and change it at least...
Cleaning the air filter insert Gently tap the filter element on a hard surface to remove large dust particles. Blow out finer dust particles with compressed air. Blow the dust out of the filter...