Sierra 3500 Denali 4WD V8-6.0L (2011)
5. Loosen the turbocharger exhaust pipe-to-catalytic converter clamp (1).
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.