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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine - 2.3L) >> Disassembly And Assembly Of Subassemblies >> Cylinder Head >> Disassembly

Cylinder Head: Disassembly

WARNING: This page is about a different variant/trim than selected.
NOTE: If the components are to be reinstalled, they must be installed in the same positions. Mark the components removed for locations.
  1. Remove the 4 bolts and the coolant outlet.
    • Discard the gasket.
  2. Remove the 2 bolts and the EGR valve.
    • Discard the gasket.
  3. Remove and discard the Cylinder Head Temperature (CHT) sensor.
    4. NOTE: Only use hand tools when removing or installing the spark plugs, damage can occur to the cylinder head or spark plug.
  4. Remove the spark plugs.
    5. NOTE: Use a small screwdriver and grease to remove the valve collets.
  5. Using the Valve Spring Compressors, compress the valve springs and remove the valve collets, valve spring retainers and the valve springs.
    6. Fig 1: Identifying Special Tools (303-300, 303-350, 303-472)
    G03897813Courtesy of FORD MOTOR CO.
  6. Inspect the components, if necessary. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION article.
  7. Remove the valves.
  8. Using the Valve Stem Oil Seal Remover and Slide Hammer, remove and discard the valve seals.
    9. Fig 2: Removing Valve Seal Using Special Tools (307-005, 303-468)
    GF0008946Courtesy of FORD MOTOR CO.
  9. Inspect the valves. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION article. Install new parts, as necessary.
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