LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lincoln >> 2005 >> Aviator AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine >> Disassembly And Assembly Of Subassemblies >> Cylinder Head >> Assembly
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Cylinder Head: Assembly

    NOTE: Lubricate the camshaft lobes with clean engine oil.
  1. Install the camshafts.
  2. Install the camshaft bearing caps and bolts and tighten to 10 Nm (89 lb-in) in the sequence shown.
    Fig 1: Camshaft Bearing Cap Tightening Sequence
    G03862700Courtesy of FORD MOTOR CO.
    3. NOTE: Compress the tensioner and install the retaining pin.
    NOTE: LH tensioner is shown, RH tensioner is similar.
    Fig 2: Installing Tensioner
    G03862701Courtesy of FORD MOTOR CO.
  3. Install the tensioner.
    • Tighten to 10 Nm (89 lb-in).
    4. CAUTION: Timing marks must be at the 12 o'clock position and indexed at the 6 o'clock position.
    Fig 3: Installing Secondary Camshaft Sprockets And Chain As An Assembly
    G03862702Courtesy of FORD MOTOR CO.
  4. Install the secondary camshaft sprockets and chain as an assembly.
  5. Install the special tool.
    Fig 4: Installing Special Tool
    G03862703Courtesy of FORD MOTOR CO.
    6. NOTE: Do not tighten the bolt at this time.
    Fig 5: Installing Secondary Camshaft Spacer, Washer
    G03862704Courtesy of FORD MOTOR CO.
  6. Install the secondary camshaft spacer, washer and bolt.
    7. NOTE: Do not tighten the bolt at this time.
    Fig 6: Installing Camshaft Gear, Washer
    G03862705Courtesy of FORD MOTOR CO.
  7. Install the camshaft gear, washer and bolt.
  8. Tighten the bolts in 2 stages:
    • Stage 1: Tighten to 40 Nm (30 lb-ft).
    • Stage 2: Tighten an additional 90 degrees.
    Fig 7: Locating Camshaft Bolts
    G03862706Courtesy of FORD MOTOR CO.
  9. Using the special tools, install the new intake valve stem seals. Repeat this step to install all the intake valve stem seals.
    Fig 8: Installing Intake Valve Stem Seals
    G03862707Courtesy of FORD MOTOR CO.
  10. Using the special tools, install the new exhaust valve stem seals. Repeat this step to install all the exhaust valve stem seals.
    Fig 9: Installing Exhaust Valve Stem Seals
    G03862708Courtesy of FORD MOTOR CO.
  11. Install the special tool between the valve spring coils to protect the exhaust valve stem seal from damage.
    Fig 10: Installing Special Tool Between Valve Spring Coils
    G03862709Courtesy of FORD MOTOR CO.
  12. Install the exhaust valve in the cylinder head.
  13. Position the exhaust valve spring and the spring retainer over the exhaust valve stem and valve seal.
    Fig 11: Installing Exhaust Valve In Cylinder Head
    G03862710Courtesy of FORD MOTOR CO.
  14. Using the special tool, compress the exhaust valve spring. Install the exhaust valve spring retainer keys.
    Fig 12: Compressing Exhaust Valve Spring
    G03862711Courtesy of FORD MOTOR CO.
  15. Repeat the above 3 steps to install all of the exhaust valve spring assemblies.
  16. Install the special tool between the valve spring coils to protect the intake valve stem seal from damage.
    Fig 13: Installing Special Tool Between Valve Spring Coils To Protect Intake Valve Stem Seal
    G03862712Courtesy of FORD MOTOR CO.
  17. Install the intake valve into the cylinder head.
  18. Position the intake valve spring and the spring retainer over the intake valve stem and valve seal.
    Fig 14: Installing Intake Valve Into Cylinder Head
    G03862713Courtesy of FORD MOTOR CO.
  19. Using the special tool, compress the intake valve spring. Install the intake valve spring retainer keys.
    Fig 15: Installing Intake Valve Spring Retainer Keys
    G03862714Courtesy of FORD MOTOR CO.
  20. Repeat the preceding 3 steps to install all of the intake valve spring assemblies.
scientia non olet · About LEMON Manuals