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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1819 (Engine - 4.2L - F-150) >> In-Vehicle Servicing >> Valve Springs >> Removal And Installation

Removal And Installation

WARNING: This page is about a different car, the 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
  1. Rotate the crankshaft until the piston is at the top of its stroke with both the intake valve and the exhaust valve closed.
  2. Remove the rocker arm. For additional information, refer to Rocker Arm  in this article.
    3. CAUTION: If a valve drops into the cylinder, remove the cylinder head. For additional information, refer to Cylinder Head  in this article.
  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 to the cylinder.
  4. Using the special tool, compress the valve spring.
    Fig 1: Compressing Valve Spring Using Special Tool
    GF0002400Courtesy of FORD MOTOR CO.
  5. Remove the valve spring retainer keys, the valve spring retainer and the valve spring.
  6. Inspect the components. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION article.
    7. CAUTION: Do not release the compressed air from the cylinder until after the valve spring keys are installed.
    NOTE: Lubricate the components with clean engine oil.
  7. To install, reverse the removal procedure.
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