Cylinder Head

DISASSEMBLY

NOTICE: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan can cause engine failure.

NOTE: If the components are to be reinstalled, mark the location of the components removed, they must be installed in the same location.

1. Refer to: Exhaust Manifold Cleaning and Inspection (303-00 Engine System - General Information, General Procedures).
   

1. NOTICE: Only use hand tools when removing or installing the spark plugs, or damage can occur to the cylinder head or spark plug.

   NOTE: Use compressed air to remove any foreign material in the spark plug well before removing the spark plugs.

1. NOTE: Use a small screwdriver and multi-purpose grease to remove the valve collets.

   Special Tool(s) : 303-300 (T87C-6565-A) Set, Valve Spring Compressor , 303-350 (T89P-6565-A) Compressor, Valve Spring , 303-472 (T94P-6565-AH) Adapter, Valve Spring Compressor , 303-1249 Valve Spring Compressor
   Material : Motorcraft® Multi-Purpose Grease Spray / XL-5 (ESB-M1C93-B)

1. Install new parts, as necessary.
   

1. Special Tool(s) : 303-468 (T94P-6510-AH) Remover, Valve Stem Oil Seal , 307-005 (T59L-100-B) Slide Hammer

1. NOTE: Note the location of the valves if they are to be reused.

1. NOTE: Install new parts, as necessary.

   1. The end of the stem for grooves or scoring.
      
   2. The valve face and the edge for pits, grooves or scores.
      
   3. The valve head for signs of burning, erosion, warpage and cracking.
      
   4. The valve margin for wear.
      

ASSEMBLY

1. NOTE: If installing the original valves, make sure the valves are installed in the same position from which they were removed. Coat the valve stems with clean engine oil.

   Material : Motorcraft® SAE 5W-20 Premium Synthetic Blend Motor Oil / XO-5W20-QSP (WSS-M2C945-A)

1. Special Tool(s) : 303-470 (T94P-6510-CH) Installer, Valve Stem Oil Seal
   Material : Motorcraft® SAE 5W-20 Premium Synthetic Blend Motor Oil / XO-5W20-QSP (WSS-M2C945-A)

1. NOTE: Use a small screwdriver and multi-purpose grease to install the valve collets.

   Check the seating of the valve collet.
   Special Tool(s) : 303-300 (T87C-6565-A) Set, Valve Spring Compressor , 303-350 (T89P-6565-A) Compressor, Valve Spring , 303-472 (T94P-6565-AH) Adapter, Valve Spring Compressor , 303-1249 Valve Spring Compressor
   Material : Motorcraft® Multi-Purpose Grease Spray / XL-5 (ESB-M1C93-B)

1. NOTICE: Only use hand tools when removing or installing the spark plugs, or damage can occur to the cylinder head or spark plug.

   Torque : 15 Nm

1. Torque : 10 Nm

1. Torque :
     Stage 1:  21 Nm
     Stage 2:  Retighten to 21 Nm

1. Torque : 29 Nm

1. 1. Torque : 19 Nm
   2. Torque : 5 Nm
   3. Torque : 18 Nm

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