Malibu V6-3.9L (2007)
1. Install a NEW gasket to the catalytic converter.
2. Install the right (rear) catalytic converter (2).
Notice: Refer to Fastener Notice.
3. Install the right (rear) catalytic converter bolt (5) and nuts (1) at the exhaust manifold.
Tighten the nuts to 31 N.m (23 lb ft).
4. Install the left (front) catalytic converter to right (rear) catalytic converter nuts (3).
Tighten the nuts to 31 N.m (23 lb ft).
Important: A special anti-seize compound is used on the HO2S threads. The compound consists of graphite suspended in fluid and glass
beads. The graphite will burn away, but the glass beads will remain, making the sensor easier to remove. New or service sensors will
already have the compound applied to the threads. If a sensor is removed from an engine and is to be reinstalled, the threads must have
anti-seize compound applied before the reinstallation.
5. If reinstalling the old HO2S, coat the threads with anti-seize compound GM P/N 12377953 or equivalent.
6. Install the HO2S (2) using the J 39194-B.
