Brake Pads, Removing And Installing, Brake 1LG, 1LH, 1LK, 1LP: Installing

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

Always replace brake pads on the same axle at the same time.
Use the complete repair kit when installing new brake pads.
Components to be used when installing new brake pads. Refer to the appropriate Electronic Parts Information.

-- If the brake pads are being replaced, check the brake rotors for wear and damage. Refer to BRAKE ROTOR, CHECKING .

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 housing.
Check the protective caps of the brake caliper pistons for damage and install the complete repair kit, if necessary. Refer to BRAKE CALIPER PISTON, REMOVING AND INSTALLING, FOUR-PISTON BRAKE .

Fig 1: Suction Hose From The Brake Charger/Bleeder Unit

Courtesy of AUDI

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.

-- Evacuate the brake fluid -2- in the brake fluid reservoir with the screen installed -1-, using the Brake Filling and Bleeding Equipment:VAS 6860 or Brake Charger/Bleeder Unit:VAS 5234 (example illustration).

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

-- Clean the brake caliper at the contact surfaces -arrows- for the brake pads.

Courtesy of AUDI

-- Clip the brake pad retaining plate -2- into the brake caliper.

Courtesy of AUDI

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

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

-- Pay attention to the installation position of the brake pads. Refer to Figure.

-- Insert the brake pads -1 and 3- into the brake caliper one after the other by pressing each brake pad against the brake pad spring and secure them with the brake pad pins.

-- Secure the wire for the brake pad wear sensor at the brake caliper and the brake pad spring -arrows-.

Courtesy of AUDI

-- Install the brake caliper. Refer to BRAKE CALIPER, REMOVING AND INSTALLING, ALL BRAKES EXCLUDING 1LC, 1LE AND 1LF .

When driving in the brake pad pins, make sure that the brake caliper coating is not damaged.

Courtesy of AUDI

-- Drive the brake pad pins -1 and 2- all the way into the brake caliper using a punch.

-- 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.