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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1154 (Engine -- 4.6L (2V)) >> Disassembly And Assembly Of Subassemblies >> Cylinder Head >> Assembly

Cylinder Head: Assembly

WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
    CAUTION: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean surfaces. These tools cause scratches and gouges which make leak paths.
  1. Clean the sealing surfaces using a plastic scraping tool and metal surface prep. Follow the directions on the packaging.
  2. Clean and inspect the valves, valve springs, valve guides, valve seats, camshafts and check the cylinder head for distortion. For additional information, refer to ENGINE SYSTEM-GENERAL INFORMATION .
  3. Lubricate the camshaft journals with clean engine oil.
    Fig 1: Identifying Camshaft Journal Lube Passages
    G03881890Courtesy of FORD MOTOR CO.
  4. Lubricate the camshaft bearing caps with clean engine oil.
    5. CAUTION: Make sure the camshaft sprocket keyway is up and 90 degrees from the valve cover mounting surface.
  5. Install the camshaft and the camshaft bearing caps in their original locations.
    • Install the bolts finger tight.
      Fig 2: Identifying Camshaft And Camshaft Bearing Caps
      G03885383Courtesy of FORD MOTOR CO.
  6. Tighten the bolts in the sequence shown in Fig 3 to 10 Nm (89 lb-in).
    Fig 3: Tightening Bolts In Sequence
    G03947659Courtesy of FORD MOTOR CO.
    7. NOTE: Make sure the valve train does not rotate while tightening the bolt.
  7. Position the spacer, the camshaft sprocket, the washer and the bolt. Tighten the bolt in 2 stages.
    • Stage 1: Tighten to 40 Nm (30 lb-ft).
    • Stage 2: Rotate an additional 90 degrees.
    8. NOTE: Make sure that the garter spring is present in the valve stem seal.
    NOTE: Lubricate the valve stems with clean engine oil.
    Fig 4: Installing Valve Seals
    G03948008Courtesy of FORD MOTOR CO.
  8. Using the special tools, install new valve seals.
  9. Install the special tool between the valve spring coils to protect the valve stem seal from damage.
    Fig 5: Installing Special Tool Between Valve Spring Coils
    G03947664Courtesy of FORD MOTOR CO.
    10. NOTE: Lubricate all components with clean engine oil.
    Fig 6: Installing Valve Spring, Spring Retainer And Valve Spring Retainer Keys
    G03948002Courtesy of FORD MOTOR CO.
  10. Install the valve. Using the special tool, install the valve spring, the spring retainer and the valve spring retainer keys.
  11. Repeat the above steps and install all of the remaining valves, valve stem seals, valve spring, spring retainer and the valve spring retainer keys.
    12. NOTE: Lubricate the hydraulic lash adjusters with clean engine oil.
    Fig 7: Identifying Hydraulic Lash Adjusters
    G04583838Courtesy of FORD MOTOR CO.
  12. Install the hydraulic lash adjusters in their original locations.
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