Spark

Cylinder Head Disassemble

Special Tools

For equivalent regional tools, refer to Special Tools .

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.

Caution: Do not compress the valve springs to less than 24.0 mm (0.943 in). Contact between the valve spring retainer and the valve stem oil seal can cause potential valve stem oil seal damage.

1. Compress the valve spring using the EN 46569 spring compressor - head off and the EN 49075 valve spring compressor adapter .
2. Use the magnet in order to remove the valve collets.
3. Remove the valve spring compressor and the adapter.



4. Remove the valve spring retainer (1).
5. Remove the valve spring (2).




Note: NEVER reuse a valve stem oil seal.

6. Remove the valve stem oil seal using the EN 46116 valve stem seal remover/installer .
7. Discard the valve stem oil seals.



8. Remove the valve (1).
9. Repeat these procedures for the remaining valves.