Brake Caliper, Removing And Installing: Installing

WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal and note the following:

Always replace brake pads on the same axle at the same time.
Use the complete repair kit when installing new brake pads.
Clean the bolts and nuts before reusing.
Replace damaged bolts and nuts.
Replace the self-locking bolts and nuts after removal.

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

Brake rotor wear limit. Refer to TECHNICAL DATA, BRAKES .

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.

Use only mineral spirits to clean the brake caliper.

-- Carefully slide the brake caliper with the brake carrier and the installed brake pads over the brake rotor.

-- Tighten the new brake carrier bolts -arrows-.

Fig 1: Brake Carrier Bolts

Courtesy of AUDI OF AMERICA, LLC

Make sure the brake hose is routed correctly.
Make sure the brake hose is not blocked, bent, twisted or rubbing against the vehicle.

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

-- Drive the parking brake motors up using the Vehicle Diagnostic Tester by following the instructions in the display.

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.