Operation CHARM: Car repair manuals for everyone.

FN 3 Front Caliper Assembly Overview






FN 3 Front Caliper Assembly Overview

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) or Extraction Device Upgrade Kit (V.A.G 1869/4) to extract brake fluid from brake fluid reservoir.

Before removing brake caliper or disconnecting brake hose, Brake Pedal Depressor (V.A.G 1869/2) must be inserted (this dissipates pressure).

Assembly Overview FN3 15 Inch





1 Bolt, 4 Nm

2 Brake Disc

Internally vented, diameter 288 mm

Thickness 25 mm

Wear limit: 22 mm

Must always be replaced together on both sides of vehicle.

Remove brake caliper before removing.

3 Brake Pads

Thickness 14 mm without backing plate.

With wear indicator.

When wear limit is reached (limit: approximately 4 mm), the warning lamp lights up in instrument cluster.

Wear limit: 2 mm without backing plate.

Checking thickness.

Must always be replaced together on both sides of vehicle

Removal and installation, refer to => [ Brake Pads ] Brake Pads.

4 Retaining Spring

Insert in both holes of brake caliper.

5 Brake Carrier

Bolt to wheel bearing housing.

6 Brake Caliper

Do not unscrew brake hose when replacing brake pad.

Removal and installation, refer to => [ Brake Caliper ] Brake Caliper.

Servicing, refer to => [ FN 3 Front Brake Caliper Assembly Overview ] FN 3 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 Ribbed Bolt, 190 Nm

Clean if using again.

11 Bolt

12 Bracket

13 Wheel Bearing Housing

With bolted brake carrier.

14 ABS Wheel Speed Sensor

Before inserting sensor, clean inner surface of bore hole and coat with hot bolt paste (G 052 112 A3).

15 Bolt, 8 Nm

16 Cover Plate

17 Bolt, 12 Nm

Hex head bolt M6x10 changed from Torx bolt M6x12

Replace hex head bolt with hex head bolt and Torx bolt with Torx bolt.

18 Wheel Bearing Wheel Hub Unit

The ABS sensor ring is installed in the wheel bearing.

Assembly Overview FN3 16 Inch





1 Bolt, 12 Nm

2 Brake Disc

Internally vented, diameter 312 mm

Thickness 25 mm

Wear limit: 22 mm

Must always be replaced together on both sides of vehicle.

Remove brake caliper and brake carrier before removing.

3 Bolt, 4 Nm

4 Brake Pads

Thickness 14 mm without backing plate.

With wear indicator.

When wear limit is reached (limit: approximately 4 mm), the warning lamp lights up in instrument cluster.

Wear limit: 2 mm without backing plate.

Checking thickness.

Must always be replaced together on both sides of vehicle.

Removal and installation, refer to => [ Brake Pads ] Brake Pads.

5 Retaining Spring

Insert in both holes of brake caliper.

6 Brake Carrier

Bolt to wheel bearing housing.

7 Brake Caliper

Do not unscrew brake hose when replacing brake pad.

Removal and installation, refer to => [ Brake Caliper ] Brake Caliper.

Servicing, refer to => [ FN 3 Front Brake Caliper Assembly Overview ] FN 3 Front Brake Caliper Assembly Overview.

8 Guide Pins, 30 Nm

9 Cap

Remove

10 Brake Hose with Ring Connection and Banjo Fitting, 35 Nm

11 Guide Pins, 30 Nm

12 Cap

Remove

13 Bolt

14 Bracket

15 Ribbed Bolt, 190 Nm

Clean if using again.

16 Wheel Bearing Housing

with bolted brake carrier

17 ABS Wheel Speed Sensor

Before inserting sensor, clean inner surface of bore hole and coat with hot bolt paste (G 052 112 A3).

18 Bolt, 8 Nm

19 Wheel Bearing and Wheel Hub Unit

The ABS sensor ring is installed in the wheel bearing.

20 Cover Plate