Installation Procedure

Install a NEW exhaust manifold seal (1) onto the catalytic converter.

Fig 1: Identifying Catalytic Converter Brace Bolt
Courtesy of GENERAL MOTORS COMPANY
Install the catalytic converter to the exhaust manifold.
Install the catalytic converter brace bolt (2).
CAUTION: Refer to Fastener Caution .

Tighten

Tighten the bolt to 50 N.m (37 lb ft).
Install the exhaust flexible pipe. Refer to Exhaust Flexible Pipe Replacement .

Fig 2: Identifying Catalytic Converter Bolts
Courtesy of GENERAL MOTORS COMPANY
Install the catalytic converter to exhaust manifold nuts (1).
Tighten

Tighten the nuts to 50 N.m (37 lb ft).
Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Left Side .