Sierra 3500 4WD V8-8.1L VIN G (2006)
5. Remove the valve stem keys (1).
Important: Do not release the compressed air from the cylinder being worked on. The valve will fall into the cylinder bore.
6. Slowly release the J 5892-D .
7. Remove the J 5892-D from the cylinder head.
8. Remove the valve spring cap (2) and valve spring (3).
9. Remove the valve stem oil seal (4).
Installation Procedure
1. Lubricate the valve stem and outside diameter of the valve guide seal with clean engine oil.
2. Lubricate the rotators with clean engine oil.
Important: When installing valve seals, J 43105 must be used to achieve correct installation. Failure to use J 43105 may cause excessive oil
consumption.
3. Install the valve stem oil seal (2) over the valve tip and onto the valve guide using J 43105 . Tap the valve stem seal onto the valve guide until the J
43105 fully seats the seal.
4. Install the valve spring cap and the spring.
