Secondary Air Injection Left Combination Valve: Removing

WARNING: This page is about a different car, the 2012 Audi S5, 2011 Audi S5, and 2010 Audi S5. 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 .

-- Remove the plenum chamber bulkhead. Refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .

-- Remove the -3- Oxygen Sensor (O2S) 2 after catalytic converter -G131- connector from the bracket, disconnect it and free up the wire.

Fig 1: Disconnecting Connector To Fuel Injectors (Left Cylinder Head)

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NOTE:

Ignore -1 and 2-.

-- Remove the bolt -1- and nuts -arrows-. Then remove the left catalytic converter from the exhaust manifold.

Fig 2: Identifying Nuts, Bolt And Left Catalytic Converter

Courtesy of AUDI OF AMERICA, LLC

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

Fig 3: Identifying Heat Shield Bolts -Arrows

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-- Remove the bolts -3- for the secondary air hose.

Fig 4: Identifying Vacuum Line -2- And Secondary Air Injection (Air) Combination Valve

Courtesy of AUDI OF AMERICA, LLC

-- Remove the vacuum line -2- from the Secondary Air Injection (AIR) combination valve.

-- Remove the bolts -1- and remove (AIR combination valve.