Express 4500 V8-6.0L (2010)
9. Use J 38606 in order to compress the valve spring.
10. Remove the valve stem keys (2).
11. Carefully release the valve spring tension.
12. Remove the J 38606.
13. Remove the valve spring cap (3).
14. Remove the valve spring (4).
15. Remove the valve stem oil seal and shim (1, 5).
Installation Procedure
1. Clean the cylinder head valve spring seat and/or shim area.
2. Lubricate the valve guide and valve stem oil seal with clean engine oil.
3. Install the valve stem oil seal and shim (1, 5).
4. Install the valve spring (4).
5. Install the valve spring cap (3).
