Ford Focus Service Manual: Valve Stem Diameter
NOTE:
Refer to the appropriate Section 303-01 for the specification.
- Measure the diameter of each intake and exhaust valve stem at the points shown. Verify the diameter is within specification.
Valve Inspection
Inspect the following valve areas:
The end of the stem for grooves or scoring.
The valve face and the edge for pits, grooves or scores.
The valve head for signs of burning ...
Engine Cooling
...
More about Ford Focus:
Ford Focus Engine Emission Control
NOTE: Do not permanently remove or render inoperative any part of the
vehicle emission control system including related hardware. Failure to comply may
violate applicable state and federal laws.
NOTE: The vehicle emission vacuum routing diagrams are contained in
the Description and Operation ...
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