Sierra 3500 Denali 2WD V8-6.0L (2011)
5. Remove the water pump to water pump outlet pipe nuts (1) from the studs (2).
6. Remove the water pump to water pump outlet pipe studs (2) and discard the gasket (3).
7. Remove the water pump outlet pipe (1).
8. Remove and discard the water pump outlet pipe O-ring (2).
Installation Procedure
1. Install a NEW water pump outlet pipe O-ring (2) onto the pipe.
2. Lubricate the O-ring seal with engine coolant.
