Sierra 3500 Denali 4WD V8-6.0L (2011)
5. Install a NEW catalytic converter to diesel particulate filter gasket.
6. Install the catalytic converter to particulate filter nuts (3) until snug.
Note: Ensure that the manifold pipe is square to the exhaust pipe adapter.
7. Slide the exhaust pipe clamp (1) down and around the pipe connection.
8. Tighten the exhaust pipe clamp to 12 Nm (106 lb in).
