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 ...

More about Ford Focus:

Ford Focus Charging System Principles of Operation
The PCM-controlled charging system, or "Smart Charge" charging system, determines the optimal voltage set point for the charging system and communicates this information to the voltage regulator. The "Smart Charge" charging system is designed to set 1 of 6 DTCs any time a c ...