Secondary Air Injection Right 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 right front muffler. Refer to FRONT MUFFLER .

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

-- Remove the -1- Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) -G130- connector from the bracket, disconnect it and free up the wire.

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

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Ignore -2 and 3-.

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

Fig 2: Identifying Nuts, Bolts And Right Catalytic Converter

Courtesy of AUDI OF AMERICA, LLC

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

Fig 3: Identifying Heat Shield Bolts -Arrows

Courtesy of AUDI OF AMERICA, LLC

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

Fig 4: Combination Valve Bolts, AIR Pipe Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -3-, remove the right AIR combination valve and remove the screws -1- for the AIR hose.