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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 Pads, Removing And Installing >> Brake Pads, Removing And Installing, Ceramic Brakes >> Installing

Brake Pads, Removing And Installing, Ceramic Brakes: Installing

Install in reverse order of removal and note the following:

-- If the brake pads are being replaced, check the brake rotors for wear and damage.

CAUTION:

Health risk due to toxic dust from the brake system.

Irreversible deposit of dust particles in the lungs. Breathing may become impaired.

- Never blow out the brake system with compressed air.

Fig 1: Identifying Brake Charger/Bleeder Unit VAS5234
GWWA47-10166Courtesy of AUDI OF AMERICA, LLC
CAUTION:

There is a risk of contamination and paint damage from leaking brake fluid.

- Check the brake fluid level before pushing the brake caliper piston back into the brake cylinders.

-- If the brake fluid is up to the "MAX" marking on used brake pads, it must be extracted.

-- Use the Piston Resetting Tool :T10145  to press the brake caliper piston completely back into the brake caliper.

-- Clip the new brake pad springs into the brake caliper.

-- Clean the brake caliper on the contact surfaces -1 and 2- to the brake pads.

Fig 2: Identifying Brake Pad Contact Surfaces
GWWA46-10197Courtesy of AUDI OF AMERICA, LLC

-- Insert the brake pads -1- in succession into the brake caliper by pressing each brake pad against the brake pad springs -arrows A- and pushing them all the way onto the guide pins -arrow B-.

Fig 3: Identifying Brake Pads
GWWA46-10198Courtesy of AUDI OF AMERICA, LLC

-- Install the brake caliper. Refer to BRAKE CALIPER, REMOVING AND INSTALLING, CERAMIC BRAKES .

-- Install the brake pad wear sensor. Refer to BRAKE PAD WEAR INDICATOR WIRE, REMOVING AND INSTALLING .

-- Check brake fluid level, and fill if necessary.

CAUTION:

Faulty brakes increase the risk of an accident.

- Make sure the brakes are working correctly before driving the vehicle for the first time.

-- With the vehicle stationary, firmly press the brake pedal several times so that the brake pads in the operating condition properly sit in their respective position.