Ford Focus Service Manual: Valve Inspection

Ford Focus Service Manual / Powertrain / Engine / Sprockets / Valve Inspection

Inspect the following valve areas:
1. The end of the stem for grooves or scoring.
1. The valve face and the edge for pits, grooves or scores.
1. The valve head for signs of burning, erosion, warpage and cracking.
1. The valve margin for wear.

Sprockets

Inspect the sprockets for cracks and worn or chipped teeth. ...

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 specificatio ...

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Ford Focus Valve Guide Inner Diameter
NOTE: Refer to the appropriate Section 303-01 for the specification. NOTE: Valve guides tend to wear in an hourglass pattern. The ball gauge can be inserted into the combustion chamber side of the valve guide, if necessary. Use a ball gauge to determine the inside diameter of the valv ...