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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 627 (3.0L - Exhaust System & Emission Controls - Engine Code(S): CTUC & CTUD) >> 26 Exhaust System, Emission Controls >> Secondary Air Injection System >> Combination Valve, Removing And Installing >> Secondary Air Injection Right Combination Valve, Removing And Installing >> Removing

Secondary Air Injection Right Combination Valve, Removing And Installing: Removing

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Fig 1: Identifying Strut Tower Brace, Bolts -1- And Nuts -2-
GWWA40-10131Courtesy of AUDI OF AMERICA, LLC

-- Remove the right front muffler, refer to FRONT MUFFLER, REMOVING AND INSTALLING .

-- Remove the tower brace, refer to TOWER BRACE, REMOVING AND INSTALLING .

-- Free up the fuel hose -1- and the EVAP canister hose -2- on the air duct pipe.

Fig 2: Identifying Air Duct Pipe
GWWA24-10348Courtesy of AUDI OF AMERICA, LLC

-- Remove the vacuum hose -3- from the air guide pipe connection.

-- Remove the air guide pipe by loosening the hose clamp -4- and opening the clips -arrows-.

-- Remove the connector -1- for the Oxygen Sensor after Three Way Catalytic Converter -G130- from the bracket and disconnect it.

Fig 3: Disconnecting Connector From Oxygen Sensor
GWWA24-10682Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore items -2 and 3-.

-- Remove the nuts -arrows- and screw -1- and remove the right catalytic converter from the exhaust manifold and move it to the back.

Fig 4: Identifying Nuts, Bolts And Right Catalytic Converter
GWWA26-10352Courtesy of AUDI OF AMERICA, LLC

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

Fig 5: Identifying Heat Shield Bolts
GWWA26-10847Courtesy of AUDI OF AMERICA, LLC

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

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

Fig 6: Combination Valve Bolts & AIR Pipe Bolts
GWWA26-10436Courtesy of AUDI OF AMERICA, LLC