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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 Spring Free Length

Valve Spring Free Length

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. Clean all valve springs in a suitable solvent.
  2. Inspect valve springs for rust, pitting, distortion and cracks. If any of these conditions exist, install new valve springs.
  3. Measure the valve spring tension by using a valve spring tester. Measure the valve spring free length. For additional information, refer to SPECIFICATIONS .
    Fig 1: Measuring Valve Spring Tension By Using Valve Spring Tester
    G06774033Courtesy of FORD MOTOR CO.
  4. Apply the appropriate test load to each spring and determine whether the test length is achieved. For additional information, refer to SPECIFICATIONS .
    Fig 2: Applying Appropriate Test Load To Each Spring And Determine Whether Test Length Is Achieved
    G06774034Courtesy of FORD MOTOR CO.
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