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Home >> Audi >> 2021 >> S8 >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Turbocharger, Supercharger [CXYA,CWWB,DJPB,DCUE,DHUB] >> 21 Turbocharger, Supercharger >> Turbocharger >> Turbocharger, Removing And Installing >> Turbocharger, Removing, Cylinder Bank 2 (Left)

Turbocharger, Removing, Cylinder Bank 2 (Left)

Special tools and workshop equipment required 

If there is mechanical damage to the turbocharger. Refer to TURBOCHARGER, REMOVING CYLINDER BANK 1 (RIGHT) - If mechanical damage (such as a destroyed compression wheel) is found on the turbocharger, just replacing the turbocharger is not enough. To avoid subsequent damage later, perform the following steps: .

Removing 

-- Follow the guidelines for clean working conditions. Refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .

Preliminary work may be required depending on the model. Refer to TURBOCHARGER, REMOVING AND INSTALLING .

-- Drain the coolant. Refer to COOLANT, DRAINING AND FILLING .

-- Remove the left lower air duct pipe. Refer to AIR DUCT PIPE, REMOVING AND INSTALLING .

Vehicle Without Particulate Filter: 

GWWA26-12013Courtesy of AUDI OF AMERICA, LLC

-- Remove the left front muffler. Refer to FRONT MUFFLER, REMOVING AND INSTALLING .

-- Loosen the screw-type clamp -2- and move the left catalytic converter toward the rear.

Vehicles With a Particulate Filter: 

-- Remove left particulate filter. Refer to the appropriate Service Information .

Continuation for All Vehicles: 

GWWA21-11269Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and then remove the retaining plate -2-.

-- Remove the coolant line -3-.

-- Remove the coolant line -1- and oil supply line -4-.

-- Disconnect the connector -1-.

GWWA21-11360Courtesy of AUDI OF AMERICA, LLC

-- Remove the vacuum hose -2- at the same time to not damage it.

-- Loosen the screw-type clamp -arrow-.

GWWA21-11361Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -2-.

GWWA21-11359Courtesy of AUDI OF AMERICA, LLC

-- Remove the turbocharger, at the same time turn the oil return connection -1- slightly in the direction of -arrow- and remove the oil return connection -3-.