FN 3 Brake Caliper, Servicing

Special tools and equipment





^ VAG 1331 Torque wrench or equivalent
^ VAG 1410 Torque wrench or equivalent
^ VAG 1869/2 Brake pedal depressor or equivalent

Notes:
^ After replacing brake pads, depress the brake pedal firmly several times with the vehicle stationary so that the brake pads are properly seated in their normal operating position.
^ To draw off brake fluid from the reservoir, use a bleeder bottle, which is used only for brake fluid. Brake fluid is poisonous and must not be siphoned by mouth!
^ Before removing a caliper or disconnecting a brake hose to the caliper, install the brake pedal depressor VAG 1869 or equivalent.





1 Screw, 4 Nm (35 inch lbs.)
2 Brake disc
^ Thickness when new: 25 mm
^ Wear limit: 22 mm (0.866 inch)
^ When worn always replace on both sides
3 Exterior brake pad
^ Thickness: 14 mm
^ Always replace brake pads on same axle on both sides of vehicle at same time
4 Interior brake pad
^ Thickness: 14 mm
^ Always replace brake pad on left front axle
^ Removing and installing
^ From 2000 left wheel brake pad has pad wear indicator
5 Retaining spring
^ Insert in both brake caliper housing drillings
6 Brake carrier
7 Brake caliper housing
^ Do not disconnect brake hose when changing brake pads
^ Removing:
- Remove brake pads -3- and -4-
- Install brake pedal depressor VAG 1869/2 or equivalent
- Disconnect brake hose connection -10- from brake caliper
^ Installing:
- Install brake pads -3- and -4-
- Connect brake hose connector -10- to caliper
- Remove brake pedal depressor
- Bleed brake system
^ Repairing caliper:
8 Guide pins, 28 Nm (21 ft. lbs.)
9 Protective cap
^ Take off
10 Brake hose and union with banjo bolt, 35 Nm (26 ft. lbs.)
11 Ribbed bolt, 125 Nm (92 ft. lbs.)
12 Wheel bearing housing
13 Pad wear sensor connector bracket
^ It is not necessary to remove harness connector from connector bracket when replacing brake pad with pad wear sensor
14 Hex socket head bolt, 8 Nm (70 inch lbs.)
15 ABS wheel speed sensor
^ Before inserting sensor, clean mounting hole inner surface and coat speed sensor with lubricant G 000 650
16 Splash shield
17 Hex bolt, 10 Nm (7 ft. lbs.)
18 Wheel bearing
^ Replace each time if removed
^ Pressing out and in
19 Circlip
20 Wheel hub with ABS wheel speed sensor rotor
^ Pressing out and in