Catalytic Converter Replacement

Fig 1: Catalytic Converter

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
WARNING: Do not use a service jack to lift this vehicle. Lifting the vehicle with a jack could cause the vehicle to slip off the jack and roll; this could cause injury or death. WARNING: Refer to Hot Exhaust System Warning . Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Disconnect the heated oxygen sensor. Refer to Heated Oxygen Sensor Replacement - Sensor 2 . Remove the exhaust muffler clamp. Refer to Exhaust System Replacement .
1	Catalytic Converter Nut (Qty: 3) CAUTION: Refer to Fastener Caution . Tighten: 22 N.m (16 lb ft)
2	Exhaust Gasket Tip: Replace the gasket with a NEW one.
3	Exhaust Clamp Tighten: 55 N.m (41 lb ft)
4	Exhaust Isolator
5	Catalytic Converter Tip: If replacing the catalytic converter, transfer the heated oxygen sensor over to the new catalytic converter.