Sierra 2500 Denali 2WD V8-6.0L (2011)
10. Connect the emission reduction fluid injector connector (2) and the engine harness connector (1).
11. Install the transmission crossmember. Refer to Transmission Support Crossmember Replacement (2WD 1500 Series) (See: Body and
Frame/Frame/Cross-Member/Service and Repair/Transmission Support Crossmember Replacement (2WD 1500 Series))Transmission Support
Crossmember Replacement (4WD 1500 Series) (See: Body and Frame/Frame/Cross-Member/Service and Repair/Transmission Support
Crossmember Replacement (4WD 1500 Series))Transmission Support Crossmember Replacement (2WD 2500/3500 Series) (See: Body and
Frame/Frame/Cross-Member/Service and Repair/Transmission Support Crossmember Replacement (2WD 2500/3500 Series))Transmission
Support Crossmember Replacement (4WD 2500/3500 Series) (See: Body and Frame/Frame/Cross-Member/Service and Repair/Transmission
Support Crossmember Replacement (4WD 2500/3500 Series)).
12. Lower the vehicle.
13. Start the engine and check for leaks.
Catalytic Converter Replacement (L96 with E63)
Catalytic Converter Replacement (L96 with E63)
Removal Procedure
Warning: Refer to Exhaust Service Warning (See: Service Precautions)
Warning: Refer to Hot Exhaust System Warning (See: Service Precautions/Technician Safety Information/Hot Exhaust System Warning)
1. Disconnect the heated oxygen sensor (HO2S). Refer to the following:
*
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (2500 Series - Cab/Chassis) (See: Powertrain Management/Computers and Control
Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (2500 Series) (See: Powertrain
Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 1
(1500 Series) (See: Powertrain Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)
*
Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series - Cab/Chassis) (See: Powertrain Management/Computers and Control
Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series) (See: Powertrain
Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 2
(1500 Series) (See: Powertrain Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)
*
Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (2500 Series - Cab/Chassis) (See: Powertrain Management/Computers and Control
Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (2500 Series) (See: Powertrain
Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 1
(1500 Series) (See: Powertrain Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)
*
Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series - Cab/Chassis) (See: Powertrain Management/Computers and Control
Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series) (See: Powertrain
Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 2
(1500 Series) (See: Powertrain Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)
2. Support the transmission with a suitable transmission jack.
