Installation Procedure

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Catalytic Converter

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Install a NEW gasket onto the exhaust manifold studs.
Install the catalytic converter.

NOTE: Refer to Fastener Notice .

Install the catalytic converter pipe to exhaust manifold nuts.
Tighten: Tighten the nuts to 50 N.m (37 lb ft).

Fig 2: Identifying Catalytic Converter and Muffler Pipe

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Install a NEW gasket onto the muffler pipe studs.
Pull the muffler pipe rearward and up until the studs are installed to the catalytic converter.
Install the catalytic converter to muffler pipe nuts.
Tighten: Tighten the nuts to 30 N.m (22 lb ft).

Fig 3: Identifying HO2S

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If reinstalling the old HO2S, coat the threads with anti-seize compound, Saturn P/N 21485279 or equivalent.
Install the HO2S.
Tighten: Tighten the sensor to 42 N.m (31 lb ft).

Fig 4: Identifying Wheel Drive Shaft Heat Shield

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Route the HO2S lead (1) through the heat shield trough, once done bend the trough (2) until the HO2S lead is secured.
Install the wheel drive shaft heat shield. Refer to Wheel Drive Shaft Heat Shield Replacement .

Fig 5: Identifying Engine Harness Electrical Connectors

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If equipped with RPO M86, connect the HO2S lead to the engine harness electrical connector (5).
Install the HO2S CPA retainer (4).

Fig 6: Identifying Engine Harness Electrical Connectors - Top Of Engine

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If equipped with RPO MN5, connect the HO2S lead to the engine harness electrical connector (4).
Install the HO2S CPA retainer.