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Home >> Audi >> 2018 >> A6 Premium Plus >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Turbocharger System (Service Information - CYNB - 1 Of 2) >> Turbocharger, Supercharger >> Turbocharger >> Turbocharger, Removing And Installing >> Removing

Turbocharger, Removing And Installing: Removing

Required Preliminary Work. Refer to TURBOCHARGER, REMOVING AND INSTALLING [CYNB ENGINES] and/or TURBOCHARGER, REMOVING AND INSTALLING [CLAB, CLAA, CDUC, CGQB, CKVB, CKVC, CDUD, CPNB, CTCB, CTCC, CVUA, CVUB ENGINES] .

-- Remove the nut -2- from below. (The nuts -1- will be removed later.)

GWWA26-11207Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -1- and then remove the oil return line.

GWWA21-10720Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -2-.

-- Seal the turbocharger with plugs from the :VAS6122  .

-- If installed, remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Remove and disconnect the connector -1- for the Heated Oxygen Sensor -G39- -2- from the bracket.

GWWA24-10925Courtesy of AUDI OF AMERICA, LLC

TIP: 

Different installation positions depending on models and version.

TIP: 

GWWA21-10717Courtesy of AUDI OF AMERICA, LLC

Depending on the version either a bolt or a threaded connection with a connected hose and corresponding clip is installed.

-- Remove the bolt -arrow- and remove the crankcase ventilation hose from the turbocharger.

-- Disconnect the connector -2- on Charge Air Pressure Actuator -V465-.

GWWA15-11380Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -1- for the Turbocharger Recirculation Valve -N249-.

-- Remove the nuts -1- from above, and push the catalytic converter toward the rear.

GWWA26-11207Courtesy of AUDI OF AMERICA, LLC

-- Remove bolts -arrows- and then remove the heat shield.

GWWA21-10715Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -1- and remove the coolant return line.

GWWA21-10716Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -2- and the oil supply line.

-- Remove the nuts -arrows-.

-- Remove the turbocharger from the stud bolts in direction of -arrow-.

GWWA21-10721Courtesy of AUDI OF AMERICA, LLC

-- Have a second technician hold the turbocharger, remove the bolt -1-, remove the coolant supply line -2- and remove the turbocharger upward.