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Home >> Audi >> 2022 >> S8 >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Turbocharger, Supercharger 6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839) >> 21 Turbocharger, Supercharger >> Charge Air System >> Charge Air Cooler, Removing And Installing >> Removing

Charge Air Cooler, Removing And Installing: Removing

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

-- Remove the front noise insulation. Refer to OVERVIEW - NOISE INSULATION .

-- Remove the front bumper cover. Refer to BUMPER COVER, REMOVING AND INSTALLING .

-- If necessary, remove the molded foam part. Refer to OVERVIEW - BUMPER CARRIER .

-- Release the retainer -arrow B- and disconnect the air duct -1- toward the right -arrow A-.

GWWA21-11315Courtesy of AUDI OF AMERICA, LLC

Right Charge Air Cooler:

-- Remove the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

Right Charge Air Cooler, Vehicles with High-Voltage System:

GWWA87-12621Courtesy of AUDI OF AMERICA, LLC

-- Remove the nut -B- and bolts -C-.

-- Disengage the bracket -A- with the upper heat exchanger for the heater core and slightly lower.

Lift Charge Air Cooler, Vehicles with High-Voltage System:

-- Drain the refrigerant circuit. Refer to Refrigerant Circuit (Refrigerant R134a Servicing, Refrigerant Circuit, Working with A/C Service Station), Working with A/C Service Station or Working with A/C Service Station .

-- Remove the left upper longitudinal member. Refer to OVERVIEW - LOCK CARRIER .

-- Disconnect the connector -3-.

GWWA19-13669Courtesy of AUDI OF AMERICA, LLC

-- Pry up the clamp -4- and remove the coolant line.

-- Release the catches -arrows- and remove the high-voltage system cooling circuit coolant expansion tank -1- and press to the side.

-- Remove the bolt -1- and press the bracket with the coolant hose downward.

GWWA21-11649Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -2- and then disconnect and press forward the refrigerant line.

Continuation for All Vehicles: 

GWWA21-11330Courtesy of AUDI OF AMERICA, LLC

-- Loosen the clamp -2- and remove the air duct hose.

-- Loosen the hose clamp -4- and remove the lower air duct hose.

GWWA21-11316Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and press the mount -1- for the bumper cover to the outside slightly.

-- Remove the bolt -2-, remove the charge air cooler -3-, at the same time for vehicles with high-voltage system, pay attention to the refrigerant hose line.