Silverado 1500 4WD V8-6.2L (2010)
10. Remove the exhaust muffler to exhaust manifold pipe nuts (1).
11. Loosen the exhaust muffler clamp (3).
12. Remove the heated oxygen sensor (HO2S). Refer to 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).
13. Lubricate the 4 insulators where the muffler assembly hangers are inserted in order to ease removal.
14. With the aid of an assistant, remove the insulators (1-4) from the front, intermediate, and rear muffler assembly hangers and remove the muffler
assembly.
Installation Procedure