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Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (3.0L - Exhaust System & Emission Controls - Engine Code(S): CGXB & CTUA) >> 26 Exhaust System, Emission Controls >> Secondary Air Injection System >> Combination Valve, Removing And Installing >> Right Combination Valve, Removing And Installing >> Removing

Right Combination Valve, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi A7 Quattro, 2014 Audi A7 Quattro, 2013 Audi A7, and 2012 Audi A7. 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, REMOVING AND INSTALLING .

-- Remove right front wheel housing liner, refer to FRONT WHEEL HOUSING LINER, REMOVING AND INSTALLING .

-- Remove the bolts -arrows-, and remove the right subframe heat shield -1-.

Fig 1: Right Subframe Heat Shield & Bolts
GWWA10-11449Courtesy of AUDI OF AMERICA, LLC

-- Free up the Oxygen Sensor 2 after Catalytic Converter -G131- wire.

Fig 2: Identifying Nuts, Bolts And Right Catalytic Converter
GWWA26-10352Courtesy of AUDI OF AMERICA, LLC

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

-- Remove the Throttle Valve Control Module -J338-, refer to THROTTLE VALVE CONTROL MODULE -J338-, REMOVING AND INSTALLING .

-- Disconnect the electrical connector -2- on EVAP Canister Purge Regulator Valve 1 -N80- and disconnect the vacuum hose -3- by pressing the release buttons.

Fig 3: Identifying Clamp
GWWA10-11365Courtesy of AUDI OF AMERICA, LLC

-- Remove the EVAP Canister Purge Regulator Valve 1 -N80- from the bracket and lay it aside with the hose connected.

NOTE:

Ignore item -1-.

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

Fig 4: Identifying Heat Shield Bolts
GWWA26-10847Courtesy of AUDI OF AMERICA, LLC

-- Remove the vacuum line -2- from the secondary air injection combination valve.

Fig 5: Combination Valve Bolts & AIR Pipe Bolts
GWWA26-10436Courtesy of AUDI OF AMERICA, LLC

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