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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis (Single Page) >> Body & Frame >> Exterior Body Panels >> Body Front >> 50 Body Front >> Lock Carrier >> Lock Carrier, Removing And Installing >> Removing

Lock Carrier, Removing And Installing: Removing

-- Remove the noise insulation. Refer to NOISE INSULATION, REMOVING AND INSTALLING, FRONT .

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

-- RS 4 and RS 5: discharge the refrigerant circuit. Refer to Refrigerant Circuit or REFRIGERANT CIRCUIT, DISCHARGING .

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

-- Disconnect the connector -2-.

GWWA94-11889Courtesy of AUDI OF AMERICA, LLC

-- Remove the breather hose -1-.

-- Remove the bolts -arrows- and air ducts -1 and 2-.

GWWA23-11009Courtesy of AUDI OF AMERICA, LLC

-- A4 / A5 on the left: release the retainers -arrow- and remove the air duct -3-.

GWWA21-11081Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -2- for the High Pressure Sensor -G65-.

GWWA87-11876Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Risk of destroying the refrigerant lines by tearing the inner film.

- Never bend the refrigerant lines to a radius smaller than r = 100 mm.

-- A4 and A5: release the left and right catches in direction of -arrows- disengage the condenser -1- from the radiator and tie up to the side.

-- RS 4 and RS 5: disconnect the refrigerant lines from the condenser. Refer to CONDENSER, REMOVING AND INSTALLING .

CAUTION:

Pyrotechnical components can deploy unintentionally.

Risk of injury.

- Discharge the static electricity: quickly touch the door striker.

-- Vehicles with pedestrian protection: disconnect the connector -1- from the pedestrian protection crash sensor and free up the wiring harness -2-.

GWWA50-10975Courtesy of AUDI OF AMERICA, LLC

TIP:

Depending on the version one or three crash sensors for the pedestrian protection are installed.

-- If required, remove the air filter housing. For TDI vehicles. Refer to the appropriate service information . For TFSI vehicles. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- If equipped, release the retainer -arrow-, remove the NOx Sensor Control Module -J583- -3- and free it up.

GWWA50-10976Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the latch cable at the coupling and free it up on the lock carrier. Refer to OVERVIEW - RELEASE CABLE .

-- Disconnect the connector -2-.

-- Disconnect the connector -1- from the pedestrian protection crash sensor and free up the wiring harness.

-- Disconnect the connector -1- and free up the wiring harness.

GWWA50-11001Courtesy of AUDI OF AMERICA, LLC

-- If equipped, place the drip tray under the separating point and disconnect the washer fluid hose -3- by pressing the release buttons in direction of -arrows-.

-- Free up the washer fluid hose -4-.

-- Disconnect the connector -2- from the pedestrian protection crash sensor.

-- If equipped remove the bolt on the right lock carrier and push the coolant distributor to the side.

-- Disconnect the connector -1- from the Outside Air Temperature Sensor -G17- -3- and free up the wiring harness.

GWWA90-10199Courtesy of AUDI OF AMERICA, LLC

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

-- Remove the coolant hoses from the radiator. Refer to RADIATOR, REMOVING AND INSTALLING .

-- Versions with charge air cooler (air flows through): remove the air duct pipe from the charge air cooler. Refer to CHARGE AIR COOLER, REMOVING AND INSTALLING .

-- Versions with charge air cooling circuit cooler (water flows through): remove and free up the coolant hoses from the charge air cooling circuit cooler. Refer to the appropriate service information .

RS 4 / RS 5:

GWWA19-12736Courtesy of AUDI OF AMERICA, LLC

-- Place the container of the :VAS5014  or the :VAS6208  underneath.

-- Loosen the left and right hose clamps -1- and remove the coolant hose.

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

Continuation:

Fig 1: Engine Coolant Temperature Sensor on Radiator Outlet -G83- - Component Location
GWWA19-12591Courtesy of AUDI OF AMERICA, LLC

-- If installed, disconnect the connector -1- for the Engine Coolant Temperature Sensor on Radiator Outlet -G83-.

GWWA19-12208Courtesy of AUDI OF AMERICA, LLC
CAUTION:

There is a risk of injury if the radiator fan turns on by itself.

- Disconnect the connectors.

-- Disconnect the connectors -1 and 2- for the radiator fan.

-- If equipped, pry out the front section of the cover -1- in direction of -front arrow-.

GWWA50-10999Courtesy of AUDI OF AMERICA, LLC

-- Remove the screws -arrows-.

GWWA50-11000Courtesy of AUDI OF AMERICA, LLC

-- Have a second technician hold the lock carrier and remove the bolts -arrows-. 

GWWA50-10977Courtesy of AUDI OF AMERICA, LLC

-- Remove the lock carrier with a second technician.

-- The following components must also be removed if the lock carrier is being replaced: