Sierra 2500 Denali 2WD V8-6.0L (2011)
6. Remove the exhaust hanger bracket bolt (1) and bracket stud (2).
7. With the catalytic converter exhaust isolator attached, lower the catalytic converter with the exhaust bracket (3).
8. If replacing catalytic converter, transfer the exhaust isolator and the exhaust temperature sensor.
Installation Procedure
1. If replacing the catalytic converter, apply water based lubricant to the exhaust isolator for ease of installation.
2. Position the catalytic converter to the turbocharger exhaust outlet pipe.
3. Position the catalytic converter with the exhaust bracket (3) to the engine.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
4. Tighten the bolt (1) and stud (2) to 25 Nm (18 lb ft).
