Operation CHARM: Car repair manuals for everyone.

Front Brakes Assembly Overview, with Brake Pad Wear Display






Front Brakes Assembly Overview, with Brake Pad Wear Display

After replacing brake pads, depress brake pedal several times firmly to properly seat brake pads in their normal operating position.

Use Brake Charger/Bleeder Unit (VAS 5234) to extract brake fluid from brake fluid reservoir.

Before removing a brake caliper or disconnecting a brake hose, the brake pedal loading device (V.A.G 1869/2) should be installed (relieve pressure).






1 Bolt

4 Nm

2 Brake Disc

Ventilated inside, 288 mm diameter, 15 inches

Ventilated inside, 312 mm diameter, 16 inches

Thickness: 25 mm

Wear limit: 22 mm

Replace both brake discs on each axle.

Remove brake caliper before removing.

3 Brake Pads

Thickness: 14 mm without backing plate

With front brake pad wear sensor.

When wear limit is reached (limit: approximately 4 mm) the brake system indicator lamp (K118) lights up in the instrument cluster. Refer to => [ Level Control System Indicator Lamps ] Level Control System Indicator Lamps.

Wear limit: 2 mm with backing plate

Check brake pads, very thorough maintenance.

Replace both brake discs on each axle.

Removing and installing, refer to => [ Brake Pads ] Brake Pads.

4 Retaining Spring

Insert in both holes of brake caliper.

5 Brake Carrier

Bolt to wheel bearing housing.

Removing and installing, refer to => [ Brake Carrier ] Brake Carrier.

6 Brake Caliper

Do not unscrew brake hose when replacing brake pad.

Removing and installing, refer to => [ Brake Caliper ] Brake Caliper.

Servicing, refer to => [ Front Brake Caliper Assembly Overview ] Front Brake Caliper Assembly Overview.

7 Guide Pins

30 Nm

8 Cap

Remove

9 Brake Hose with Ring Connection and Banjo Fitting

35 Nm

10 Bolt

200 Nm

Clean if using again.

11 Bolt

12 Bracket

13 Wheel Bearing Housing

With fastened brake carrier.

14 Front ABS Wheel Speed Sensor

Clean the inside of the hole and coat it with hot bolt paste (G 052 112 A3) before installing the sensor.

Removing and installing, refer to => [ Front ABS Wheel Speed Sensor ] Front ABS Wheel Speed Sensor.

15 Bolt

8 Nm

16 Cover Plate

Removing and installing, refer to => [ Cover Plate ] Cover Plate.

17 Bolt

12 Nm

18 Wheel Bearing/Wheel Bearing Unit

The ABS sensor ring is installed in the wheel bearing.