Ford Focus Owners Manual: Technical specifications
Vehicle fluids
1 Providing it meets the specification defined by WSS-M2C913-C, you can also use Ford Engine Oil or an alternative engine oil.
2 On vehicles with a 2.5L Duratec-RS engine, use only this oil.
Topping up the oil: If you are unable to find an oil that meets the specification defined by WSS-M2C913-C, you must use SAE 5W-30 (preferred), SAE 5W-40 (except vehicles with E85 fuel) or SAE 10W-40 that meets the specification defined by either ACEA A5/B5 (preferred) or ACEA A3/B3. Using these oils can result in longer engine cranking periods, reduced engine performance, reduced fuel economy and increased emission levels.
Castrol engine oil recommended.
Capacities
Washer fluid check
The front and rear washer systems are
supplied from the same reservoir. ...
Vehicle care
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More about Ford Focus:
Ford Focus Connecting Rod Bearing Journal Taper and Out-of-Round
NOTE: Refer to the appropriate Section 303-01 for the specification.
Measure the crankshaft connecting rod journal diameters in 2 directions
perpendicular to one another at each end of the connecting rod journal. The
difference in the measurements from one end to the other is the taper. ...
