Powertrain

Valve Seat Inspection

~1min read
Valve and Seat Refacing Measurements NOTE:

Refer to the appropriate Section 303-01 for the specification.

NOTE:

After grinding valves or valve seats, check valve clearance.

  1. Check the valve head and seat.
    • Check valve angles.
    • Check margin width.
    • Be sure margin width is within specification.
  1. Inspect for abnormalities on the valve face and seat. Install a new cylinder head assembly if abnormalities are found.

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