Installation Procedure

Fig 1: View Of Muffler And Pipe

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the catalytic converter and the connecting pipe and the gasket to the front muffler pipe flange. Use the nuts to secure the converter and the connecting pipe.
Tighten: Tighten the front muffler to connecting pipe nuts to 30 N.m (22 lb ft).

Fig 2: View of Connecting Pipe Mounting Bracket

Courtesy of GENERAL MOTORS CORP.

Using the nuts and the gasket secure the connecting pipe to the catalytic converter.
Tighten: Tighten the connecting pipe to catalytic converter nuts to 40 N.m (30 lb ft).

Fig 3: View Of Heated Oxygen Sensor And Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

Install the rear heated oxygen sensor.
Tighten: Tighten the rear heated oxygen sensor to 41 N.m (30 lb ft).