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Home >> Audi >> 2021 >> S6 Premium Plus >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Turbocharger, Supercharger [CWGD,DECA,CZSE,DLZA,DKMB,CZSA,DCBD,DCBE] >> 21 Turbocharger, Supercharger >> Charge Air System >> RECIRCULATION Valve, Removing And Installing >> RECIRCULATION Valve, Removing And Installing, 2.9L Engine >> Removing

RECIRCULATION Valve, Removing And Installing, 2.9L Engine: Removing

Depending on the model, preliminary work may be required. Refer to RECIRCULATION VALVE, REMOVING AND INSTALLING .

-- Remove the oil filter element (refer to ENGINE OIL ) and cover the opening with a clean cloth.

-- Disconnect the connector and free up the wiring harness.

GWWA21-11248Courtesy of AUDI OF AMERICA, LLC
  1. For the Charge Air Cooler Temperature Sensor 2 -G764-
  2. For the Charge Air Cooler Temperature Sensor 1 -G763-

-- Remove the bolts -arrows-.

GWWA21-11249Courtesy of AUDI OF AMERICA, LLC

-- Remove the crankcase ventilation hose -2- by pressing the release buttons on both sides.

-- Move the air duct pipe -1- to the side.

Cylinder Bank 1 (Right):

GWWA21-11278Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -1-.

-- Remove the bolts -arrows- and remove the Recirculation Valve, Bank 1 -N625- -2-.

Cylinder Bank 2 (Left):

GWWA21-11279Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -2-.

-- Remove the bolts -arrows- and remove the Recirculation Valve, Bank 2 -N626- -1-.