LaCrosse V8-5.3L (2008)
7. Remove the compressed air supply from the J 22794.
8. Remove the J 22794 from the spark plug port.
Notice: Refer to Fastener Notice (See: Service Precautions/Vehicle Damage Warnings/Fastener Notice).
9. Hand start the spark plug.
Tighten the spark plug to 15 N.m (11 lb ft).
10. Install the valve rocker arm. Refer to Valve Rocker Arm and Push Rod Replacement (See: Rocker Arm Assembly/Service and Repair).