Sierra 1500 4WD V8-6.0L (2007)
11. Place a straight edge across the front face of the engine block and inspect for proper installation of the CMP actuator and timing chain. With the
CMP actuator properly and completely installed onto the front of the camshaft, the timing chain will not protrude beyond the front face of the
engine block.
12. Install a NEW CMP actuator valve (234). With the CMP actuator properly positioned onto the camshaft, the CMP actuator solenoid valve can be
threaded completely into the camshaft using light hand pressure. Tighten by hand until snug.
