Cobalt L4-2.0L SC (2007)
10. Compress the valve spring.
11. Remove the valve spring keepers.
12. Remove the valve spring.
13. Using the J 36017, remove the valve seal.
Installation Procedure
1. Using the J 36017, install the valve seal.
2. Install the valve spring.
3. Compress the valve spring.
4. Install the valve spring keepers.
5. Remove the air hose adaptor from the spark plug hole.