Installation Procedure

Courtesy of GENERAL MOTORS COMPANY

Catalytic Converter Gasket (3) - Install NEW
Exhaust Pipe Clamp (2) - Install NEW
Warm Up Three-Way Catalytic Converter (1) - Install
Courtesy of GENERAL MOTORS COMPANY

CAUTION:
Refer to Fastener Caution .

Warm Up Three-Way Catalytic Converter Bolt (1) - Install and tighten 22 N.m (16 lb ft)
Raise the vehicle.
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Warm Up Three-Way Catalytic Converter Bolt (1) - Install and tighten 22 N.m (16 lb ft)
Courtesy of GENERAL MOTORS COMPANY

Catalytic Converter Gasket (2) - Install NEW
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Catalytic Converter Nut (1) - Install and tighten [2x] 22 N.m (16 lb ft)
Lower the vehicle.
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Heated Oxygen Sensor - Sensor 2 (1) - Install - Heated Oxygen Sensor Replacement - Sensor 2
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Heated Oxygen Sensor - Sensor 1 (1) - Install - Heated Oxygen Sensor Replacement - Sensor 1
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NOTE:
Use hand tools only when tightening the exhaust pipe clamp.

Exhaust Pipe Clamp (1) - Tighten 15 N.m (11 lb ft)
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Catalytic Converter Heat Shield- Upper (1) - Install - Catalytic Converter Heat Shield Replacement - Upper (LSY)
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Air Cleaner Assembly (1) - Install - Air Cleaner Assembly Replacement
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Air Cleaner Outlet Resonator (1) - Install - Air Cleaner Outlet Resonator Replacement
Inspect the exhaust system for leaks.