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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) (2 Of 2) >> 46 Mechanical Components >> Front Brakes >> Brake Caliper, Removing And Installing >> Brake Caliper, Removing And Installing, 1LJ, 1LL, 1ZA And 1ZC >> Removing

Brake Caliper, Removing And Installing, 1LJ, 1LL, 1ZA And 1ZC: Removing

The bolts -arrows- must not be loosened.

Fig 1: DO NOT Loosen The Caliper/Brake Carrier Threaded Connections
GWWA46-10393Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Risk of malfunction.

  • Do not loosen the bolts -arrows- on the brake caliper.

-- Remove the front wheel. Refer to Wheels and Tires .

-- Disconnect the connector -1- from the brake pad wear indicator sensor.

GWWA46-10478Courtesy of AUDI OF AMERICA, LLC

-- Release the connector -2- for the brake pad wear indicator sensor from its bracket -arrow A- while turning it 90° at the same time -arrow B-.

-- Free up the brake hose -3- on the bracket.

NOTE:

For easier removal of the brake caliper from the brake rotor, push the brake pads -3- back lightly with pliers -1-.

GWWA46-10479Courtesy of AUDI OF AMERICA, LLC

To prevent damage to the paint coat on the brake caliper, place a piece of rubber -2- between the pliers and brake caliper.

-- Remove the bolts -2- and carefully remove the brake caliper -1- with the brake carrier and the installed brake pads from the brake rotor.

GWWA46-10480Courtesy of AUDI OF AMERICA, LLC
CAUTION:

There is a risk of damaging the brake hose.

  • Do not let the brake caliper hang on the brake hose. Do not support the weight with the brake hose.
  • Replace the brake hose if damaged.
  • Do not bend the brake line.
  • A damaged brake line must be replaced.
  • The brakes must not be applied when the brake caliper is removed.
  • Otherwise, the brake pistons will be damaged.

-- Hang the brake caliper using a suitable wire.