Installation Procedure

Fig 1: View Of Right Exhaust Pipe Nuts

Courtesy of GENERAL MOTORS CORP.

Install the exhaust manifold pipe seal(s).
Raise the catalytic converter or exhaust manifold pipe using the adjustable jackstands.
Install the exhaust hanger mounting bracket bolts.
NOTE: Refer to Fastener Notice in Cautions and Notices.
Install the left exhaust manifold pipe nuts.
Tighten:
- Tighten the exhaust pipe hanger bracket bolts to 12 N.m (106 lb in).
- Tighten the exhaust manifold pipe nuts to 50 N.m (39 lb ft).

Fig 2: View Of Left Exhaust Manifold Pipe & Nuts

Courtesy of GENERAL MOTORS CORP.

Install the right exhaust manifold pipe nuts.
Tighten: Tighten the nuts to 50 N.m (39 lb ft).

Fig 3: View Of Transmission & HO2S Sensor Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Connect the oxygen sensor electrical connector (1).
Connect the CPA retainer.
Remove the adjustable jackstands from catalytic converter or exhaust manifold pipe.
Lower the vehicle.