Sierra Classic 2500 4WD V8-8.1L (2007)
5. Important: When installing valve springs, the small end of the valve spring must be installed up.
Install the valve spring (3).
6. Install the valve spring cap (2).
7. Using J 5892-D compress the valve spring.
8. Install the valve stem keys as follows:
1. Apply a small amount of clean grease to hold the valve stem keys in place.
2. Carefully release the J 5892-D. Make sure the valve stem keys do not move.
3. Remove the J 5892-D from the valve assembly.
4. Remove the compressed air from the cylinder being worked on.
9. Install the spark plug.
10. Install the valve rocker arms and pushrods.