Installation Procedure

Fig 1: View Of Muffler And Pipe

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

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).