Remove/install rear-axle brake caliper

AR42.10-S-0080E

Remove/install rear-axle brake caliper

06.03.2020

Model

447, 448

1

Bolts

2

Brake caliper

3

Caliper support

 Caution

Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid

Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.

AS42.50-Z-0001-01A

 Danger

Risk of accident when commissioning the vehicle due to a lack of braking effect when the service brake is operated for the first time after repair work.

Before starting the engine, actuate brake pedal several times until pressure is built up and maintained in the brake system.

AS42.50-Z-0002-01A

Topical note

Brake fluid notes

AH42.50-P-0001-01A

Topical note

Notes on repairs to brake system

AH42.00-P-0003-01A



Remove

1

Remove relative rear wheel

AR40.10-S-1100E

2

Remove each brake hose

AR42.10-S-0025E

3

Remove screws/bolts (1) and remove brake caliper (2) from brake caliper support (3)

4

Clean brake caliper (2) and any areas contaminated by escaping brake fluid

Assembly cleaner

*BR00.45-Z-1028-04A

 Brake caliper brush

*000589266800

5

Check the condition of the piston, cap, and brake hose of the brake caliper (2)

 Bolt, rear floating caliper carrier to semi-trailing arm

*BA42.10-N-1003-12J

If damage is present



replace brake caliper (2) or brake hose.

When replacing the brake caliper (2)



replace brake caliper support (3).



Install

6

Fasten brake caliper (2) on brake caliper support (3) using screws/bolts (1)

 Replace screws/bolts (1).

 Bolt, floating caliper to floating caliper carrier

*BA42.10-N-1002-12J

7

Install respective brake hose

AR42.10-S-0025E

8

Mount relative rear wheel

AR40.10-S-1100E

9

Bleed brake system

AR42.10-S-0010E

10

Carry out brake test on the test stand



AP42.00-S-4290E

 Rear axle brake caliper

Number

Designation

Model 447, 448

BA42.10-N-1002-12J

Bolt, floating caliper to floating caliper carrier

Nm

34

 Rear axle brake caliper

Number

Designation

Model 447, 448

BA42.10-N-1003-12J

Bolt, rear floating caliper carrier to semi-trailing arm

M14x1.5

Nm

172

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01