LaCrosse V6-3.8L VIN 2 (2005)
5. Install the valve rocker arms.
6. Apply Threadlocker GM P/N 12345493 (Canadian P/N 10953488) or equivalent to the rocker arm bolt threads.
Notice: This bolt is designed to permanently stretch when tightened. The correct part number fastener must be used to replace this type of
fastener. Do not use a bolt that is stronger in this application. If the correct bolt is not used, the parts will not be tightened correctly. The system or
the components may be damaged.
7. Install the valve rocker arm bolts.
1. Tighten the bolts to 15 Nm (11 ft. lbs.).
2. Use the J45059 to rotate the bolts an additional 90 degrees.
Notice: Refer to Fastener Notice in Service Precautions.
8. Install the left or the right valve rocker arm cover.
9. Inspect the valve train for noise.
