Rear Brake Pads: Removing

WARNING: This page is about a different variant/trim than selected.

NOTE:

When removing, mark brake pads that will be used again. Install in the same position, otherwise braking effect will be uneven!

Operating the electromechanical parking brake again after a long drive is recommended.

Brake pad play is automatically adjusted every 1000 km if the EPB is not operated in this distance.

-- Connect the vehicle diagnostic tester or to the 16-pin diagnostic connector in the vehicle with the ignition switched off.

Fig 1: Connecting Diagnostic Cable VAS 5051/5A To Diagnostic Connector

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Turn on the ignition.

Release the parking brake.

Coding check and reported if necessary.

DTC memory interrogated, errors shown corrected and DTC memory erased.

-- Select the parking brake with "address word" 53.

Displayed on the vehicle diagnostic tester display.

Fig 2: Locating Control Module Identification With Code Indicated On Display

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-- Select function "053 - Parking brake".

-- Select the function "006 - Basic setting".

Displayed on the vehicle diagnostic tester display.

Fig 3: Identifying Diagnostic Operation System VAS 5051A (Prompt For Entering Display Group Appears In Display Zone & Input Keypad Appears In Display Zone)

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The request to enter a display group number appears in display field -1-.
An entry keypad is shown in display field -2-.

-- Using the entry keypad, enter in display field -2- the "7" for the display group number and confirm by pressing the "Q button". (Reset pistons).

-- To exit the entry template, press the green arrow button at the lower left.

-- Switch off the ignition.

-- Raise the vehicle.

-- Remove the wheels.

-- Remove the brake hose and electrical wire from the bracket on the stub axle carrier.

-- Remove attachment bolts from brake caliper housing, counter-hold guide pins to do so.

Fig 4: Identifying Attachment Bolts For Brake Caliper Housing

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NOTE:

Actuator or brake system connector must not be disconnected (otherwise, a fault will be saved).

Do not pull on brake hose or electrical wiring.

-- Remove the brake caliper.

NOTE:

Do not let the brake caliper hang from the brake hose. Secure it to the body with suitable cable ties or wire. Do not support the weight with the brake hose.

WARNING:

Do not press the brake pedal when the caliper is removed.

-- Remove the brake pads.

-- Remove the brake pad retaining plate.

-- Press piston back.

Use T10145.

Fig 5: Pressing Piston Back Into Caliper Housing

Courtesy of AUDI OF AMERICA, LLC

Do not tilt the brake piston when pressing it back.