Cylinder Head: Disassembly

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Front side shown, rear similar.

Remove the bolts and the LH and RH engine lift eyes.

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Remove the bolts and coolant outlet.

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NOTE: Only use hand tools when removing 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.

Remove the spark plugs.

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NOTE: Place all parts in order to one side.

NOTE: Remove the valve collet, using some multi-purpose grease and a small screwdriver.

Using the special tools, remove the valve collet, valve spring retainer and the valve spring. 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., 303-1249 Valve Spring Compressor.

Material

: Motorcraft® Multi-Purpose Grease Spray / XL-5-A (ESB-M1C93-B)

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Repeat the appropriate removal steps for all of the other cylinders.
Inspect and install new parts, as necessary.

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- Position the Valve Stem Oil Seal Remover and the Slide Hammer over the seal. Use Special Service Tool: 303-468 (T94P-6510-AH) Remover, Valve Stem Oil Seal., 307-005 (T59L-100-B) Slide Hammer.
- Pull up on the Slide Hammer and remove and discard the valve stem seal.
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NOTE: Mark each valve location if the original valves are to be used.

Remove the valves.
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.

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