Ford Focus Service Manual: 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, erosion, warpage and cracking.
- The valve margin for wear.
Inspect the sprockets for cracks and worn or chipped teeth.
...
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 Brake Booster - Description and Operation
The brake booster consists of:
brake booster assembly
brake booster vacuum hose
brake booster vacuum check valve
The brake booster is a single-diaphragm type which utilizes engine vacuum to
reduce brake pedal effort and travel. The brake booster is divided into separate
vacuum and ...