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Home >> Ford >> 2003 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 2471 (Engine Mechanical - 6.4L 99R Diesel -- F250-F550 Super Duty) >> General Procedures >> Valve Guide Inner Diameter

Valve Guide Inner Diameter

WARNING: This page is about a different car, the 2010 Ford Pickup, 2010 Ford F550 Super Duty, 2010 Ford F450 Super Duty, and 2010 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Measure each valve guide by using a small hole gauge and a 0-25 mm (0-1 in) outside micrometer. Record each valve guide inner diameter so valve-to-guide running clearance may be determined. If valve guide inner diameter exceeds specifications, install a new cylinder head.
    Fig 1: Measuring Valve Guide Inner Diameter
    G06073233Courtesy of FORD MOTOR CO.
  2. Using the valve guide inside diameter and the valve stem diameter measurements, determine valve stem-to-guide running clearance, install new valves as required. For additional information, refer to SPECIFICATIONS .
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