2005 Ford Freestar BaseFACTORY OEM SERVICE PROCEDURE

Removal and Installation

CAUTION: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages, or the oil pan can cause engine failure.
  1. Rotate the crankshaft until the piston is at the top of its stroke with both the intake and exhaust valves closed prior to removing the rocker arm.
  2. Remove the rocker arms. For additional information, refer to ROCKER ARM .
    3. CAUTION: If a valve drops into the cylinder, remove the cylinder head. For additional information, refer to CYLINDER HEAD - LH  or CYLINDER HEAD - RH .
  3. Hold the valve in the cylinder head.
    • Remove the spark plug.
      • To install, tighten to 15 Nm (11 lb-ft).
    • Apply a minimum of 689 kPa (100 psi) of compressed air into the cylinder.
  4. Using the special tool, compress the valve springs.
    Fig 1: Compressing Valve Springs
    G04003979Courtesy of FORD MOTOR CO.
    5. CAUTION: If the components are to be reinstalled, they must be installed in the same position. Mark the components for location.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.