Installation Procedure

Fig 1: View Of Connecting Pipe, Mounting Bracket And Nuts

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Fit the catalytic converter onto the connecting pipe, raise the front exhaust pipe, and install the front exhaust pipe mounting bracket nuts and bracket.
Tighten: Tighten the connecting pipe mounting bracket nuts to 30 N.m (22 lb ft) .

Fig 2: View Of Flex Pipe And Retaining Nuts

Courtesy of GENERAL MOTORS CORP.

Install the catalytic converter lower flange nuts.
Tighten: Tighten the catalytic converter-to-connecting pipe nuts to 40 N.m (30 lb ft) .

Fig 3: View Of Auxiliary Catalytic Converter Upper Flange Nuts

Courtesy of GENERAL MOTORS CORP.

Install the splash guard. Refer to Engine Cover Replacement in Frame and Underbody.
Lower the vehicle.
Install the catalytic converter upper flange bolts.
Tighten: Tighten the catalytic converter-to-exhaust manifold nuts to 40 N.m (30 lb ft) .

Fig 4: View Of Exhaust Manifold Heat Shield

Courtesy of GENERAL MOTORS CORP.

Install the exhaust manifold heat shield and heat shield bolts.
Tighten: Tighten the exhaust manifold heat shield bolts to 3 N.m (27 lb ft) .

Fig 5: View Of Spark Plug Cover And Bolts

Courtesy of GENERAL MOTORS CORP.