Front Brakes, Brake Caliper FN 3 Assembly Overview
Front Brakes, Brake Caliper FN 3 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).
FN3 15 inch Assembly Overview
1 Bolt, 4 Nm
2 Brake Disc
• Internally vented, 288 mm diameter.
• 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, maintenance, refer to => Front and Rear Brake Pads: Check Thickness.
• Must always be replaced together on both sides of vehicle.
• Removal and installation, refer to => [ Front Brake Pads, with Brake Caliper FN3 ] Front Brake Pads, with Brake Caliper FN3.
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 => [ Front Brake Caliper FN3 ] Front Brake Caliper FN3.
• Servicing, refer to => [ Front Brake Caliper FN 3 Assembly Overview ] Front Brake Caliper FN 3 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/Hub Unit
• The ABS sensor ring is installed in the wheel bearing.
FN3 16 inch Assembly Overview
1 Bolt, 12 Nm
2 Brake Disc
• Internally vented, 312 mm diameter.
• 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, maintenance, refer to => Front and Rear Brake Pads: Check Thickness.
• Must always be replaced together on both sides of vehicle.
• Removal and installation, refer to => [ Front Brake Pads, with Brake Caliper FN3 ] Front Brake Pads, with Brake Caliper FN3.
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 => [ Front Brake Caliper FN3 ] Front Brake Caliper FN3.
• Servicing, refer to => [ Front Brake Caliper FN 3 Assembly Overview ] Front Brake Caliper FN 3 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 re-using.
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/Hub Unit
• The ABS sensor ring is installed in the wheel bearing.
20 Cover Plate