Brake Component Overview
Brake Component Overview
Special tools, testers and auxiliary items required
• Torque wrench (V.A.G 1331)
• Torque wrench (V.A.G 1332)
• Torque wrench (V.A.G 1410)
• Brake pedal actuator (V.A.G 1869/2)
CAUTION!
Brake fluid is poisonous. NEVER siphon brake fluid with your mouth!
• After replacing brake pads and before moving vehicle, depress brake pedal several times firmly to properly seat brake pads in their normal operating position.
• When siphoning brake fluid, always use a bleeder bottle that is used exclusively for brake fluid.
• Before removing brake caliper or disconnecting brake hose from brake caliper, install brake pedal actuator (V.A.G 1869/2 ).
1 Phillips-head screw 4 Nm
2 Brake disc
• Internally ventilated brake disc: diameter 256.00 mm
• Thickness 22 mm
• Wear limit: 20 mm
• Always replace pads on both sides of axle if worn.
3 Brake disc
• Unventilated brake disc: diameter 232.00 mm
• Thickness 9 mm
• Wear limit: 7 mm
• Always replace pads on both sides of axle if worn.
4 Cap
5 Self-locking 12 point nut (175 Nm)
• Always replace after removal
6 Wheel hub with wheel bearing and rotor
• Always replace after removal
• Replace only as complete unit
7 Hex bolt, 60 Nm
• With dished washer
8 Cover plate
9 Stub axle
10 Parking brake cable
• Parking brake, adjusting => [ Parking Brake, Adjusting ] Adjustments.
11 Axle beam
12 Right rear ABS wheel speed sensor (G44)/left rear ABS wheel speed sensor (G46)
• Before inserting sensor, clean inner surface of hole and coat with securing grease (G 000 650)
13 Socket head bolt, 8 Nm
14 Socket head bolt, 65 Nm
15 Brake carrier with guide pins and protective cap
• Supplied as pre-assembled replacement part with sufficient grease on guide pins
• If protective caps or guide pins are damaged, install repair kit. Use grease packet supplied to lubricate guide pins
16 Brake hose/brake line
• With banjo bolt and seals
• Tightening specification of banjo bolt to brake caliper 35 Nm
• Do not remove brake hose when replacing brake pad
17 Hex bolt, self-locking, 35 Nm
• Replace
18 Brake caliper housing
• Do not remove brake hose when replacing brake pad
• Removing and installing => [ Brake Caliper ] Brake Caliper.
• Servicing => [ Rear Brake Caliper Assembly Overview ] Rear Brake Caliper Assembly Overview.
• After servicing or replacing, parking brake cable must be adjusted first.
• Parking brake, adjusting => [ Parking Brake, Adjusting ] Adjustments.
19 Brake pads
• Thickness 12 mm
• Wear limit: 7 mm including backing plate
• Pads on both sides of axle must always be replaced together
• Removing and installing => [ Brake Pads ] Removal and Replacement.
20 Brake pad securing spring
• Always replace when pads are replaced