Valve Seat Width

2005 Ford Taurus SEL, 4D SedanSECTION Valve Seat Width
WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to the appropriate ENGINE article for the specification.
  1. 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.
  2. Fig 1: Measuring Valve Seat Width
    GF0000214Courtesy of FORD MOTOR CO.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.