Front brakes, servicing
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Special tools, testers and auxiliary items required
- Torque wrench V.A.G 1331
- Torque wrench V.A.G 1410
- Brake pedal actuator V.A.G 1869/2
NOTE:
- Install complete repair kit
- After replacing brake pads, depress brake pedal firmly several times with vehicle stationary so that the brake pads are properly seated in their normal operating position.
- To extract brake fluid from the brake fluid reservoir, use a bleeder bottle that only comes into contact with brake fluid. Brake fluid is poisonous and must never be extracted by mouth using a hose!
CAUTION:
If brake pads are ceramics, wheel must not fall on brake disc, otherwise it will be irreparably damaged. To remove/install wheel, insert two assembly pins in wheel bolt mount.
1 - Brake disc
- Ventilated brake disc: 365 mm diameter
- Brake disc thickness: 34 mm
- Wear limit: 32 mm
- Always replace both sides
- Remove brake caliper prior to removing
2 - Brake caliper
- Do not disconnect brake line when changing brake discs
- Removing:
- Insert brake pedal actuator V.A.G 1869/2
- Removing and installing → Brake pads, removing and installing
- Installing:
- Remove brake pedal actuator V.A.G 1869/2
- Bleed braking system → Brake system, bleeding
3 - Ribbed bolt, 200 Nm
- If re-using, clean ribs
4 - Bracket
- Bolt to brake caliper housing
5 - Hex head bolt, 25 Nm
6 - Brake line, 15 Nm
- Screw into brake caliper housing
- Screw into brake hose, counter hold on brake hose hex.
- Make sure that lugs are properly seated in grooves in bracket.
7 - Spring clip
8 - Brake hose
- Do not disconnect brake line when changing brake discs
9 - Hex socket head bolt, 110 Nm
- Replace each time
10 - Torx screw
- Torque specification 5 Nm
11 - Retaining springs
12 - Brake pad retaining pins
13 - Brake pads
- With wear indicator
- Thickness 11.4 mm without backing plate
- Wear limit: 7 mm including backing plate
- When wear limit is reached (limit: 2 to 3 mm), a warning light comes on in instrument cluster
- Checking thickness 803Work sequences; Front and rear brake pads/linings; Checking thickness
- Always replace both sides
- Removing and installing → Brake pads, removing and installing