Secondary Air Injection Left Combination Valve, Removing And Installing, Market-Specific 2: 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

Courtesy of AUDI OF AMERICA, LLC

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

Courtesy of AUDI OF AMERICA, LLC

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

Fig 3: Identifying Heat Shield Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Remove the screws -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 combination valve.

-- Remove the bolts -1- and remove the secondary air injection combination valve.