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Cylinder Head: Disassembly

  1. Remove the bolts and the variable camshaft timing (VCT) housing.
    • Discard the gasket.
  2. Lubricate the camshaft and camshaft journals with clean engine oil and install the camshaft.
  3. Install the camshaft bearing caps in their original locations.
    • Lubricate the camshaft bearing caps with clean engine oil.
    • Position the front camshaft bearing cap.
    • Position the remaining camshaft bearing caps.
    • Install the bolts finger tight.
  4. Using the special tool, compress the valve spring and remove the valve spring retainer keys.
  5. Fig 1: Compressing Valve Spring With Special Tool
    G03920063Courtesy of FORD MOTOR CO.
  6. Remove the valve spring retainer, the valve spring and the valve seal.
    • Discard the valve seal.
  7. Remove the valve from the cylinder head
  8. Repeat the previous 3 steps for each valve.
  9. Inspect the components. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION article.
  10. CAUTION: When removing the front thrust camshaft bearing cap, use care as the cap may be damaged from side loading when removing the cam unequally in height from the bearing towers.
  11. Remove the bolts the front camshaft bearing cap and then the remaining bearing caps.
  12. Remove the camshaft.
  13. Check the cylinder head for distortion. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION article.