Sierra 2500 Denali 2WD V8-6.0L (2011)
1. Install the catalytic converter hanger rod (1) into the exhaust isolator.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
2. Install a NEW seal (2) to the left manifold exhaust pipe. Tighten the nuts (1) to 50 Nm (37 lb ft)