Silverado 1500 4WD V8-6.0L Hybrid (2009)
Remove the spark plugs from the cylinder head with the engine at room temperature.
3. Loosen the spark plug 1 or 2 turns.
4. Brush or air blast away any dirt or debris from around the spark plug.
5. Remove the spark plug.
6. Install the J 22794 into the spark plug hole.
7. Attach an air hose to the J 22794 .
8. Apply compressed air to the J 22794 in order to hold the valves in place.
9. Use the J 38606 in order to compress the valve spring.
10. Remove the valve stem keys (225).