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Removal And Installation

WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. If servicing the RH cylinder valvetrain components, remove the RH valve cover. For additional information, refer to Valve Cover - RH, 4.6L  or Valve Cover - RH, 5.4L .
  2. If servicing the LH cylinder valvetrain components, remove the LH valve cover. For additional information, refer to Valve Cover - LH .
  3. Position the piston of the cylinder being serviced at the bottom of the stroke.
  4. Install the special tool between the valve spring coils to protect the valve stem seal from damage.
    5. Fig 1: Installing Special Tool Between Valve Spring Coils
    G03962476Courtesy of FORD MOTOR CO.
    CAUTION: The camshaft roller followers must be installed in their original locations. Record the camshaft roller follower locations. Failure to follow these instructions may result in engine damage.
    NOTE: Do not allow the valve keepers to fall off the valve or the valve may drop into the cylinder. If a valve drops into the cylinder, the cylinder head must be removed. For additional information, refer to Engine .
    NOTE: It may be necessary to push the valve down while compressing the spring.
  5. Use the special tool to compress the valve springs and remove the camshaft roller follower.
    6. Fig 2: Compressing Valve Springs Using Special Tool (303-567)
    G04612479Courtesy of FORD MOTOR CO.
  6. Repeat the previous steps for each of the roller followers being serviced.
    7. CAUTION: Only use hand tools when removing or installing the spark plugs or damage can occur to the cylinder head or spark plug.
    NOTE: Use compressed air to remove any foreign material from the spark plug well before removing the spark plugs.
    NOTE: If an original spark plug is used, make sure it is installed in the same cylinder from which it was taken. New spark plugs can be used in any cylinder.
    NOTE: Refer to SPECIFICATIONS  for correct spark plug identification.
  7. Remove the spark plugs.
    • To install, tighten to 18 Nm (13 lb-ft).
    8. NOTE: Carry out the following steps for each cylinder requiring service.
    NOTE: Position the piston of the cylinder to be serviced at the bottom of the stroke.
  8. Use compressed air in the cylinder to hold both valves in position.
    9. NOTE: If a valve drops into the cylinder, the cylinder head must be removed. For additional information, refer to Cylinder Head - 4.6L  and Cylinder Head - 5.4L .
  9. Using the special tool, compress the valve spring and remove the valve spring retainer keys.
    10. Fig 3: Compressing Valve Springs Using Special Tool (303-567)
    G04612253Courtesy of FORD MOTOR CO.
  10. Remove the valve spring retainer and the valve spring.
    11. NOTE: Lubricate the camshaft roller follower with clean engine oil prior to installation.
  11. To install, reverse the removal procedure.
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