Operation CHARM: Car repair manuals for everyone.

CI 38 Rear Brakes, Servicing






CI 38 Rear Brakes, Servicing

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.

Use brake charger/bleeder unit (VAS 5234) or extraction device (V.A.G 1869/4) to extract brake fluid from brake fluid reservoir.

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






1 ABS Wheel Speed Sensor

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

2 Hex Socket Head Bolt

8 Nm

3 Multi-Point Socket Head Bolt

Always replace after removing it.

90 Nm plus an additional 90° turn

4 Wheel Bearing Housing

5 Cover Plate

6 Bolts

Hex Head Bolt, 9 Nm

Torx(R) Bolt, 12 Nm

Hex head screw M6x10 changed from Torx(R) screw M6x12

Replace hex head bolt with hex head bolt and Torx(R) bolt with Torx(R) bolt

7 Wheel Bearing/Hub Unit

8 Brake Rotor

Diameter: 255 mm

Thickness: 10 mm

Wear limit: 8 mm

Always replace pads on both sides of axle if worn.

Remove brake caliper before removing

9 Bolt

4 Nm

10 Bolt

11 Brake Pads

Thickness 11 mm without backing plate

Wear limit: 2 mm without backing plate

Checking thickness

Must always be replaced together on both sides of axle

Removing and installing, refer to => [ Brake Pads ] Brake Pads

12 Brake Carrier with Guide Pins and Protective Cap

Supplied as an assembled replacement part with sufficient grease on guide pins

If protective caps or guide pins are damaged, install repair kit. Use supplied grease packet to lubricate guide pins

13 Brake Caliper

Do not remove brake hose when replacing brake pad

Removing and installing, refer to => [ Brake Caliper ] Brake Caliper

Servicing, refer to => [ CI 38, CII 38 CII 41 Brake Calipers, Rear Brake Caliper Overview ] CI 38, CII 38 CII 41 Brake Calipers, Rear Brake Caliper Overview

After servicing or replacing, parking brake cable must be adjusted first.

Adjusting the parking brake, refer to => [ Parking Brake, Adjusting ] Adjustments

14 Hose Retainer

15 Brake Line

14 Nm

16 Hex Bolt, Self-Locking

Replace

35 Nm

17 Parking Brake Cable

Adjusting the parking brake, refer to => [ Parking Brake, Adjusting ] Adjustments

18 Spring Clamp

19 Brake Hose