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Home >> Audi >> 2024 >> S3 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 149 (Turbocharger, Supercharger (Servicing - 5-Cylinder 2.5L TFSI Engine)) >> 21 Turbocharger, Supercharger >> Turbocharger >> Turbocharger, Removing And Installing >> Removing

Turbocharger, Removing And Installing: Removing

WARNING: This page is about a different car, the 2024 Audi RS 3. However, it is still accessible from the selected car via links, so may be relevant.

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

Depending on the model preliminary work may be required. Refer to the appropriate service information .

-- Remove the right front wheel. Refer to WHEELS AND TIRES .

-- Remove the right front wheel housing liner. Refer to OVERVIEW - FRONT WHEEL HOUSING LINER .

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

-- If installed: loosen the hose clamp -2- and remove the air duct hose.

GWWA24-12096Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1 and 3-.

-- Loosen the hose clamps -arrows- and remove the air duct pipe.

-- Remove the drive axle heat shield. Refer to DRIVE AXLE HEAT SHIELD, REMOVING AND INSTALLING .

-- Place a cloth underneath to catch any escaping coolant and engine oil.

GWWA21-11178Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts and remove the lines from the cylinder block.

  1. For the oil return
  2. For the coolant pipe
  3. For the Oil Supply

TIP:

The oil return -1- can also be detached from the turbocharger.

-- Seal the open lines and connections with clean plugs from the Engine Bung Set :VAS 6122  .

-- Remove the bolts -arrows-.

GWWA26-11717Courtesy of AUDI OF AMERICA, LLC

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

-- Loosen the hose clamps -1 and 2- and remove the coolant hoses.

Fig 1: Locating Coolant Hose Clamps
GWWA19-10955Courtesy of AUDI OF AMERICA, LLC

-- Loosen the hose clamp -1-.

GWWA21-11202Courtesy of AUDI OF AMERICA, LLC

-- Press the release buttons on both sides and disconnect the hose -3- for the crankcase ventilation on the air duct pipe.

-- Remove the bolt -arrow- and the air duct pipe.

Equipped on some models:

GWWA17-11182Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -2-.

-- Remove the bolts -arrows-, remove the connection -1-.

Rest of World market version:

GWWA21-11206Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connectors -arrows- and free up the wires.

-- Remove the bolts and nuts -2, 3, 4, 6, 7 and 8-.

-- Press the bracket -1- to the side and free up the connection -5-.

-- Remove the bolt -2- and remove the vacuum lines -1 and 3- and remove.

GWWA21-11135Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -4- and the intake tube.

Market-Specific for North America:

GWWA21-11595Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -4- and then remove the Venturi injector.

-- Remove the bolt -3- and disconnect the vacuum lines -1 and 5- and remove.

-- Remove the bolts -2- and the intake tube.

Continuation for All Vehicles:

GWWA15-12082Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connectors -arrows- for the cam actuator and move the wiring harness to side.

Heat shield, version 1:

Fig 2: Heat Shield
GWWA21-11180Courtesy of AUDI OF AMERICA, LLC

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

Heat shield, version 2:

GWWA21-11646Courtesy of AUDI OF AMERICA, LLC

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

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

GWWA21-11647Courtesy of AUDI OF AMERICA, LLC

TIP

Open the bolts using the Bit Torx :T10573  and a small ratchet.

Continuation for All Vehicles:

-- Remove the Oxygen Sensor 1 before Catalytic Converter -GX10-. Refer to HEATED OXYGEN SENSOR, REMOVING AND INSTALLING .

-- Remove the bolts -arrows- and -2- and remove the heat shield -1- for the bevel box.

GWWA26-11834Courtesy of AUDI OF AMERICA, LLC

TIP:

Push the heat shield slightly to the side in order to remove the bolt -2- from above.

-- Loosen the screw-type clamp -3- and remove from the flange.

GWWA26-11879Courtesy of AUDI OF AMERICA, LLC

-- Tie up the catalytic converter -2- toward the rear.

-- Remove the nuts in a -6 to 1- sequence and then move the turbocharger to the side.

Fig 3: Turbocharger - Tightening Sequence
GWWA21-10479Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts and remove the lines from the turbocharger.

GWWA21-11218Courtesy of AUDI OF AMERICA, LLC
  1. For the coolant pipe
  2. For the coolant pipe
  3. For the Oil Supply

-- Remove the turbocharger.

-- Seal the open lines and connections with clean plugs from the Engine Bung Set :VAS 6122  .