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Home › Ford › 2003 › Mustang Base, 2D Convertible, Automatic › Repair and Diagnosis › Engine Mechanical › Mechanical › Engine-3.8L › In-Vehicle Repair › Valve Springs › Removal

Valve Springs: Removal

  1. Remove the LH and the RH valve covers. For additional information, refer to VALVE COVER-LH  and VALVE COVER-RH .
  2. Rotate the crankshaft until the piston for the valve being worked on is at the top of its stroke with both the intake valve and the exhaust valve closed.
  3. Hold the valve in the cylinder head.
    • Remove the spark plug. For additional information, refer to REMOVAL & INSTALLATION .
    • Apply a minimum of 965 kPa (140 psi) of compressed air into the cylinder.
    4. CAUTION: If the components are to be reinstalled, they must be installed in the same position. Mark the components for location
    NOTE: If a valve drops into the cylinder, remove the cylinder head. For additional information, refer to CYLINDER HEAD LH  or CYLINDER HEAD RH .
    Fig 1: Removing Rocker Arms
    G01623592Courtesy of FORD MOTOR CO.
  4. Remove the rocker arms.
    1. Remove the bolts.
    2. Remove the rocker arms.
  5. Using the special tool, compress the valve springs.
    Fig 2: Compressing Valve Springs
    G01623593Courtesy of FORD MOTOR CO.
  6. Remove the valve spring assembly.
    1. Remove the valve spring retainer key.
    2. Remove the valve spring retainer.
    3. Remove the valve spring.
    4. Remove the discard the valve stem seal and spring seat assembly.
      Fig 3: Removing Valve Spring Assembly
      G01623594Courtesy of FORD MOTOR CO.
  7. Inspect the components. For additional information, refer to ENGINE SYSTEM-GENERAL INFORMATION .
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