Catalytic Converter Replacement - Left Side (Cab Chassis)

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Catalytic Converter - Left Side (Cab Chassis)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
WARNING: Refer to Exhaust Service Warning . WARNING: Refer to Hot Exhaust System Warning . Preliminary Procedure Remove the engine skid plate (if equipped). Refer to Oil Pan Skid Plate Replacement (2500/3500 with RPO NZZ) . Remove the transmission support crossmember. Refer to. Disconnect the oxygen sensors. Refer to Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (2500 Series - Cab/Chassis) or Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (2500 Series) or Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (1500 Series) , Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series - Cab/Chassis) or Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series) or Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (1500 Series) , Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (2500 Series - Cab/Chassis) or Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (2500 Series) or Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (1500 Series) and Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series - Cab/Chassis) or Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series) or Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (1500 Series) .
1	Left Exhaust Manifold Nut (Qty: 3) CAUTION: Refer to Fastener Caution . Tighten: 50 N.m (37 lb ft)
2	Seal
3	Exhaust Muffler Clamp Nut Tighten: 28 N.m (21 lb ft)
4	Catalytic Converter