Cylinder Head: Disassembly
WARNING: This page is about a different variant/trim than selected.
NOTE:
During engine repair procedures, cleanliness is extremely important. Any foreign material, including material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan can cause engine failure.
NOTE:
Aluminum surfaces are soft and can be scratched easily. Never place the cylinder head gasket surface, unprotected, on a bench surface.
NOTE:
If the components are to be reinstalled, they must be installed in the same positions. Mark the components removed for locations.
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NOTE: Rear shown, front similar.
Remove the bolts and the lifting brackets.
- Remove the bolts and the coolant outlet.
- Remove the bolts and the EGR valve.
- Remove and discard the gasket.
- Remove and discard the CHT sensor.
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NOTE: Only use hand tools when removing or installing the spark plugs or damage can occur to the cylinder head or spark plug.
Remove the spark plugs.
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NOTE: Use a small screwdriver and multi-purpose grease to remove the valve collets.
Using the special tools, remove the valve collets, valve spring retainers and the valve springs. Use Special Service Tool: 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.
MaterialMotorcraft® Multi-Purpose Grease Spray / XL-5-A (ESB-M1C93-B)
- Inspect and install new parts, as necessary.
- Using the special tools, remove and discard the valve stem seals. Use Special Service Tool: 303-468 (T94P-6510-AH) Remover, Valve Stem Oil Seal., 307-005 (T59L-100-B) Slide Hammer.
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NOTE: Note the location of the valves if they are to be reused.
Remove the valves.
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NOTE: Install new parts as necessary.
Inspect the following valve areas:
- The end of the stem or grooves or scoring.
- The valve face and the edge for pits, grooves or scores.
- The valve head for signs of burning, erosion, warpage and cracking.
- The valve margin for wear.