Secondary Air Injection Left Combination Valve, Removing And Installing, Market-Specific 1: Removing

WARNING: This page is about a different car, the 2009 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

When installing, bring all cable ties back to same positions.

-- Remove the left front muffler. Refer to FRONT MUFFLER, REMOVING AND INSTALLING .

-- Remove the plenum chamber bulkhead. Refer to OVERVIEW - BULKHEAD .

-- Remove the electrical connector -1- for the Oxygen Sensor 2 after Catalytic Converter -G131- from the bracket, disconnect it and lay it aside.

Fig 1: Cylinder Bank 2 Oxygen Sensor Electrical Connectors

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NOTE:

Ignore items -2, 3, 4- and the -arrows-.

-- Remove the nuts -arrows- and screw -1- and disconnect the left catalytic converter from the exhaust manifold and push it rearward.

Fig 2: Identifying Nuts, Bolt And Left Catalytic Converter

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-- Remove the bolts -arrows- and the heat shield -1-.

Fig 3: Identifying Heat Shield Bolts

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-- Remove the bolts -1- and -2- and the left secondary air combination valve.

Fig 4: Identifying Secondary Air Pipe

Courtesy of AUDI OF AMERICA, LLC