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Home >> Ford >> 2003 >> Mustang Mach 1, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine-Cobra 4.6L 4V) >> Disassembly And Assembly Of Subassemblies >> Cylinder Head >> Assembly

Cylinder Head: Assembly

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  1. Install the valve stem seals.
    Fig 1: Installing Valve Stem Seals
    G01625027Courtesy of FORD MOTOR CO.
  2. Install the valves and the valve springs.
    3. CAUTION: Make sure the tool is seated correctly on the valve spring. Apply a small amount of air at a time. This will prevent the tool from shifting and causing damage to the cylinder head.
    Fig 2: Installing Air-Operated Spring Compressor On Cylinder Head
    G01625028Courtesy of FORD MOTOR CO.
  3. Install the air-operated spring compressor on the cylinder head.
  4. Compress the valve spring compressor and install the key on the valves.
    Fig 3: Installing Key On Valves
    G01625029Courtesy of FORD MOTOR CO.
    5. NOTE: LH is shown, RH is similar.
  5. Install the camshafts.
    • Lubricate the camshafts with clean engine oil.
      Fig 4: Installing Camshafts
      G01625030Courtesy of FORD MOTOR CO.
  6. Install the camshaft bearing cap assemblies.
    Fig 5: Installing Camshaft Bearing Cap Assemblies
    G01625031Courtesy of FORD MOTOR CO.
  7. Install the hydraulic lash adjusters.
    Fig 6: Installing Hydraulic Lash Adjusters
    G01625032Courtesy of FORD MOTOR CO.
  8. Install the roller followers.
    1. Install the special tool on the valve spring.
    2. Compress the spring and install the roller follower.
      Fig 7: Installing Roller Followers
      G01625033Courtesy of FORD MOTOR CO.
  9. Repeat the previous step for the remaining roller followers.
    10. NOTE: LH tensioner is shown, RH tensioner is similar.
    Fig 8: Installing Tensioner
    G01625034Courtesy of FORD MOTOR CO.
  10. Install the tensioner.
    11. CAUTION: Timing marks must be at 12 o'clock and indexed at 6 o'clock.
    Fig 9: Installing Camshaft Sprockets And Chain As An Assembly
    G01625035Courtesy of FORD MOTOR CO.
  11. Install the camshaft sprockets and the chain as an assembly.
  12. Install the special tool.
    Fig 10: Installing Special Tool
    G01625036Courtesy of FORD MOTOR CO.
  13. Install the camshaft spacer, washer and bolt, and hand-tighten the bolt.
    Fig 11: Installing Camshaft Spacer, Washer And Bolt
    G01625037Courtesy of FORD MOTOR CO.
  14. Install the camshaft sprocket, washer and bolt, and hand-tighten the bolt.
    Fig 12: Installing Camshaft Sprocket, Washer And Bolt
    G01625038Courtesy of FORD MOTOR CO.
  15. Tighten the bolts in two stages:
    • Stage 1: Tighten to 40 Nm (30 lb-ft).
    • Stage 2: Tighten and additional 90 degrees.
      Fig 13: Tightening Camshaft Sprocket Bolts
      G01625039Courtesy of FORD MOTOR CO.
  16. Remove the special tool.
    Fig 14: Removing Special Tool
    G01625040Courtesy of FORD MOTOR CO.
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