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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Mechanical Components (Brake System) (1 Of 2) >> 46 Mechanical Components >> Front Brakes >> Brake Caliper, Removing And Installing >> Brake Caliper, Removing And Installing, Ceramic Brakes >> Removing

Brake Caliper, Removing And Installing, Ceramic Brakes: Removing

-- Remove the front wheel while observing the safety precautions for vehicles with ceramic brakes. Refer to WHEEL, CHANGING .

-- Disconnect the connector -2- and free up the wiring harness at the bracket.

Fig 1: Brake Pad Wear Sensor -1-
GWWA46-10271Courtesy of AUDI OF AMERICA, LLC

-- If the brake pads should be removed, release the tab in direction of -arrow A- and turn it 90° in direction of -arrow B- at the same time. Remove the brake pad wear sensor from the bracket and free it up at the protective cap.

-- Remove the bolts -2- for the bracket -3-.

GWWA46-10657Courtesy of AUDI OF AMERICA, LLC

TIP:

Fig 2: Identifying Brake Pads And Piece Of Rubber
GWWA46-10193Courtesy of AUDI OF AMERICA, LLC

Pushing the brake pads -3- slightly into the brake caliper using suitable pliers -1- makes it easier to remove the brake caliper from the brake rotor. To prevent damage to the paint coat on the brake caliper, place a piece of rubber -2- between the pliers and brake caliper.

Fig 3: Identifying Bolts
GWWA46-10192Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Improper handling increases the risk of destroying the brake caliper.

- Never loosen the brake caliper/brake carrier bolts.

-- Do not loosen the brake caliper/brake carrier threaded connection and guide pins. Refer to Figure.

-- Remove the bolts -1-.

-- Carefully remove the brake caliper with the installed brake pads from the brake rotor; pay attention to the brake hose while doing so.

CAUTION:

There is a risk of damaging the brake hose due to the weight of the brake caliper.

- Never let the brake caliper hang on the brake hose.

-- Hang the brake caliper using a suitable wire.

CAUTION:

There is a risk of damaging the brake caliper pistons if handled incorrectly.

- Never operate the brakes when the brake caliper is removed.