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