Front Brake Pads, Removing And Installing : Installing

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If old brake pads are being replaced with new ones, then it is necessary to check the brake rotor thickness for wear. Pay attention to the wear limit for the brake rotor thickness.

-- Check the brake rotor thickness. For the correct wear limit. Refer to FRONT BRAKES .

Replace any damaged guide pins.

-- Press both pistons back.

Fig 1: Pressing Pistons Back

Courtesy of AUDI OF AMERICA, LLC

NOTE: Press piston back into caliper housing using resetting tool before inserting new brake pads. Before pushing back the piston, siphon some of the brake fluid out of the brake fluid reservoir. Otherwise fluid will overflow and cause damage if the reservoir was topped off during repair work.

WARNING: When working with brake fluid, observe relevant safety precautions and notes. Refer to BRAKE FLUID .

Remove any film on the back of the pad before installing.

-- Install the clip for the brake pad wear display into the inner brake pad.

-- Install the contact in the clip direction of -arrow-.

Fig 2: Identifying Contact

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NOTE: Make sure the contact for the brake pad wear display fits correctly in the clip inside the inner brake pad.

-- Install the inner brake pad and the wire for the brake pad wear display in the brake caliper. When doing this, push the wire through the brake caliper.

-- Install the outer brake pad -2- in the brake caliper.

Fig 3: Identifying Outer Brake Pad, Retaining Springs And Brake Caliper

Courtesy of AUDI OF AMERICA, LLC

NOTE: Make sure the contact for the brake pad wear display fits correctly in the clip inside the inner brake pad.

-- Slide the brake caliper with the brake pads installed over the brake rotor.

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

-- Push the guide pin -16- through the brake caliper.

Fig 4: Identifying Front Brakes Overview

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Make sure the seals for the guide pins are not damaged.

Make sure the seal is correctly installed.

-- Attach the brake caliper to the brake carrier with both guide pins 55 Nm.

Fig 5: Attaching Brake Caliper Housing To Brake Carrier And Fastening Guide Pins

Courtesy of AUDI OF AMERICA, LLC

-- Install both caps -17-.

NOTE: Make sure the brake hose is not twisted.

-- Install the balance spring -10- and cover -9- in the brake caliper housing.

Fig 6: Identifying Front Brakes Overview

Courtesy of AUDI OF AMERICA, LLC

-- Install and tighten the bolt -8-.

NOTE:

Make sure the cover and balance spring are installed correctly.

The tips of the balance spring fit into the brake caliper.

The tip of the balance spring fits under the cover.

-- Install the brake line in the bracket.

-- Connect wear indicator connector.

-- Install the electrical connection for the brake pad wear display in the bracket.

-- Install the wheels. Refer to Wheel and Tire Guide Wheels, Tires, Wheel Alignment .

-- Lower vehicle.

WARNING:

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

After installing, press the brake pedal several times firmly to properly seat brake pads in their normal operating position.

Check brake fluid level, and fill if necessary.