Ford Focus Service Manual: Valve Seat Width

Ford Focus Service Manual / Powertrain / Engine / Valvetrain / 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 after the seats have been ground, and shim the valve springs as necessary to achieve the correct installed spring length.
- Depending on the engine, check the valve lash. Refer to General Procedures in Section 303-01.

Valve Seat Runout

NOTE: Refer to the appropriate Section 303-01 for the specification. Use a valve seat runout gauge to check valve seat runout. ...

Valve Stem to Valve Guide Clearance

Special Tool(s) Clearance Gauge, Valve Guide 303-004 (TOOL-6505-E) or equivalent Dial Indicator Gauge with Holding Fixture 100-002 (TOOL-4201-C) or e ...

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