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Home >> Ford >> 1992 >> Explorer 4D Utility, RWD, Automatic >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 4.0L V6 - VIN [X] >> Overhaul >> Cylinder Head >> Valve Springs

Valve Springs

  1. Measure valve spring installed height from surface of cylinder head spring pad to underside of spring retainer. If installed height is greater than specification, a .03" (.8 mm) shim can be installed between cylinder head and valve spring to obtain correct height.
  2. Inspect valve spring free length and pressure. Replace valve spring if free length and pressure are not within specification. See VALVES & VALVE SPRINGS  table under ENGINE SPECIFICATIONS.
CAUTION: DO NOT  install valve spring spacers unless necessary. Using more spacers than required can result in spring breakage or worn camshaft lobes.
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