Brake Pads, Removing And Installing: Installing

WARNING: This page is about a different car, the 2022 Audi S3, 2022 Audi RS 3, 2022 Audi A3 Quattro, and 2022 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

Install in the reverse order of removal while noting the following:

CAUTION:

Health risk due to toxic dust from the brake system.

Irreversible deposit of dust particles in the lungs. Breathing impairments may occur.

- Never blow out the brake system with compressed air.

Use only mineral spirits to clean the brake caliper.
Check the protective caps of the brake caliper pistons for damage and install the complete repair kit, if necessary. Refer to DUST CAP, REMOVING AND INSTALLING .
Check the bearing bushings of the guide pins for damage and check that the guide pins move easily. Install the complete repair kit, if necessary. Refer to BEARING BUSHING AND GUIDE PIN, REPLACING .

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.

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Use the Brake Charger/Bleeder Unit: VAS5234 to extract brake fluid from the brake fluid reservoir.

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CAUTION:

Improper handling increases the risk of destroying the brake caliper.

- Never reset the pistons manually.

-- Use the : T10145 -item 1- to completely press back the brake caliper piston -2-.

-- Clean the brake carrier on the contact surface -1 and 2- for the brake carrier and coat thinly with Grease.

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-- If equipped, remove the protective film from the backing plate of the brake pad.

-- If re-using, install the marked brake pads in the same location.

-- Insert the brake pads into the brake carrier, while paying attention to the installation position.

Installation position of the brake pads.

Fig 1: Installation Position of the Brake Pads

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A - Inner Brake Pad on Piston Side

B - Outer Brake Pad

Make sure that the spring sits in the backing plate on the inner brake pad.

-- Position the retaining plate -2- as shown on the top and bottom on the brake pads -1 and 3-.

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-- Pay attention that the retaining plate is seated correctly -arrows-.

-- Position the brake pads together with the retaining plate inside and outside.

-- Pay attention that the spring -5- is seated on the inner brake pad.

-- Insert the brake caliper.

-- Install both guide pin using the : T10503 and : VAS6784 and tighten to the required tightening specification.

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-- Install the caps -arrows-.

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-- If installed, connect the brake pad wear sensor connector -2- and secure the wire using the dust cap -1-.

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-- Position the brake caliper -1-.

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The spring -4- must sit on the brake carrier -3- as shown.

-- Pay attention that the spring -4- is seated as shown in the guide -arrow- on the brake caliper -1-.

-- Drive out the parking brake motor using the Vehicle Diagnostic Tester.

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.

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