Envoy 2WD V8-5.3L VIN P (2004)
6. Install J 22794 into the spark plug hole.
7. Attach an air hose to J 22794.
8. Apply compressed air to J 22794 in order to hold the valves in place.
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.
