Catalytic Converter Replacement - Left Side (LS3)

Fig 1: Catalytic Converter & Mounting Components - Left Side (LS3)

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Raise the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the heated oxygen sensor. Refer to Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 .
1	CAUTION: Refer to Fastener Caution . Intermediate Pipe Nuts (Qty: 2)Tighten 16 N.m (12 lb ft)
2	Exhaust Pipe Seal
3	Catalytic Converter-to-Exhaust Manifold Nut (Qty: 2) Tighten 50 N.m (37 lb ft)
4	Exhaust Manifold Pipe Gasket
5	Left Side Catalytic Converter