Ford Focus Owners Manual: Bulb specification chart

Changing a bulb

WARNINGS: Switch the lights and the ignition off. Let the bulb cool down before removing it. We recommend that you ask your dealer to change the bulbs if your vehicle is fitted with Xenon ...

Windows and mirrors

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More about Ford Focus:

Ford Focus Valve Seat Width
NOTE: Refer to the appropriate Section 303-01 for the specification. Measure the valve seat width. If necessary, grind the valve seat to specification. Measure the intake valve seat width. Measure the exhaust valve seat width. Recheck the valve spring installed length ...