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Home >> Ford >> 2002 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 3135 (Engine Mechanical - 6.7L Diesel -- F250-F550 Super Duty) >> General Procedures >> Valve Spring Free Length

Valve Spring Free Length

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 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. Using a valve spring tester, measure the valve spring free length. For additional information, refer to Specifications .
    Fig 1: Measuring Valve Spring Free Length
    G06774033Courtesy of FORD MOTOR CO.
  4. Apply the appropriate installed test load to each spring and determine whether the test length is achieved. Repeat for valve open load. For additional information, refer to Specifications .
Fig 2: Measuring Valve Spring Free Length (Installed Test Load)
G06774034Courtesy of FORD MOTOR CO.
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