Audi Q3: Brake Pedal

Overview - Brake Pedal

1 - Mounting Bracket

• Removing and installing, refer to → Chapter "Mounting Bracket, Removing and Installing".

2 - Nut

• 25 Nm
• Always replace if removed
• Self-locking
• First tighten the nuts -A and B-

3 - Noise Insulation

• On brake pedal

4 - Lock Washer

5 - Brake Pedal

• Removing and installing, refer to → Chapter "Brake Pedal, Removing and Installing".
• Brake pedal and brake booster, disconnecting, refer to → Chapter "Brake Pedal, Removing from Brake Booster".
• Brake pedal to brake booster, connecting, refer to → Chapter "Brake Pedal, Attaching to Brake Booster".

  WARNING

The path of the brake pedal must not be shortened via extra floor mats.

6 - Nut

• 25 Nm
• Always replace if removed
• Self-locking

7 - Cover

8 - Bearing Shell

9 - Mount

• For the ball head on the brake booster push rod

10 - Bolt

11 - Bearing Bushing

12 - Mounting Pin

Mounting Bracket, Removing and Installing

Removing

- Remove the brake pedal, refer to → Chapter "Brake Pedal, Removing and Installing".

- Disconnect the connectors -1 and 2- and free up the wires.

- Release the catch -arrow- and remove the Data Bus On Board Diagnostic Interface -J533- toward the rear.

- Remove the noise insulation on the brake pedal.

- Remove the nuts -1 and 2- and remove the mounting bracket.

Installing

Install in reverse order of removal. Note the following:

- Install the brake pedal, refer to → Chapter "Brake Pedal, Removing and Installing".

  WARNING

Risk of accident!

Make sure the brakes are working correctly before driving the vehicle.

Brake Pedal, Removing from Brake Booster

Special tools and workshop equipment required

• Brake Servo Release Tool -T10159A-

Procedure

- Remove the driver side instrument panel cover, refer to → Body Interior; Rep. Gr.68; Storage Compartments and Covers; Driver Side Instrument Panel Cover, Removing and Installing.

- First press brake pedal in direction of brake booster and hold.

- Insert the Brake Servo Release Tool -T10159A- and pull in the direction of the driver seat while counterholding at the brake pedal so that it does not move backward. While doing this, the mount tabs -3- will be pushed out of the push rod ball head -2-.

  Note

The illustration shows the installation position with the pedal assembly removed.

- Pull the Brake Servo Release Tool -T10159A- and brake pedal together toward the driver seat. As a result, the brake pedal is removed from the push rod ball head.

Brake Pedal, Attaching to Brake Booster

Procedure

- Hold the push rod ball head in front of the mount and push the brake pedal toward the brake booster until the ball head engages audibly.

- Install the driver side instrument panel cover, refer to → Body Interior; Rep. Gr.68; Storage Compartments and Covers; Driver Side Instrument Panel Cover, Removing and Installing.

Brake Pedal, Removing and Installing

Removing

- Disconnect the brake pedal from brake booster, refer to → Chapter "Brake Pedal, Removing from Brake Booster".

- Remove the lock washer -1- and push the noise insulation -2- to the side.

- Remove the bolt -3- and remove the brake pedal.

Installing

Install in reverse order of removal. Note the following:

  Note

Grease the bearing areas with Polycarbamide Grease -G 052 142 A2- before assembling.

- Attach the brake pedal to the brake booster, refer to → Chapter "Brake Pedal, Attaching to Brake Booster".

Special Tools

Special tools and workshop equipment required

• Piston Resetting Tool -T10145-

• Brake Servo Release Tool -T10159A-

• Torque Wrench 1331 5-50Nm -VAG1331-

• Torque Wrench 1332 40-200Nm -VAG1332-

• Brake Pedal Actuator -VAG1869/2-.

• Container -1- from the Brake Charger/Bleeder Unit -VAS5234-

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