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Cylinder Head Disassemble

Special Tools

    • EN-49074 Valve Spring Compressor
    • EN-48247 Valve Spring Compression Adapter
    • EN-46116 Valve Stem Seal Remover/Installer

For equivalent regional tools, refer to Special Tools .


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  1. Install the EN-49074 compressor  (1) with EN-48247 adapter  (2) to remove the valve assembly.

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  2. Remove the 32 valve stem keys (1).
  3. Remove the 16 valve spring retainers (2).
  4. Remove the 16 valve springs (3).

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  5. Remove the 16 valve stem oil seals use the EN-46116 remover  (1).

    6. Warning: Compressed valve springs have high tension against the valve spring compressor. Valve springs that are not properly compressed by or released from the valve spring compressor can be ejected from the valve spring compressor with intense force. Use care when compressing or releasing the valve spring with the valve spring compressor and when removing or installing the valve stem keys. Failing to use care may cause personal injury.

    Note: Take extreme care to prevent damage to the valve guides.

  6. Remove the 16 valves.
   


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