Adjusting the head restraint
WARNINGS:
Raise the rear head restraint when the rear seat is occupied by a passenger.
When using a forward facing child restraint on a rear seat, always remove the head restraint from that seat.
Adjust the head restraint so that the top of it is level with the top of your head.
Removing the head restraint
Press the locking buttons and remove the head restraint.
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 ...