Remove/install rear axle brake caliper

AR42.10-P-0080V

Remove/install rear axle brake caliper

25.10.10

1.9.10

"Perform brake test on test bench" reference changed

Test sequence augmented/revised

 

Remove/install

Danger!

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.

AS00.00-Z-0010-01A

Danger!

Risk of poisoning caused by swallowing brake fluid. Risk of injury caused by brake fluid coming into contact with skin and eyes.

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



Brake fluid notes

AH42.50-P-0001-01A



Notes on repairs to brake system

AH42.00-P-0003-01A



Notes on installing brake hoses

AH42.10-P-9406-01A



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

1

Hoist vehicle with lifting platform until wheels are free

AR00.60-P-1000V

2

Remove rear wheels

AP40.10-P-4050V

3

Remove brake pads on rear axle

AR42.10-P-1700V

4

Remove bolt (1) and remove right rear brake pad contact sensor connector (X88/15) from brake caliper (31)

Model 171.456 / 458



*BA42.10-P-1003-12P

5

Remove brake hose (51)

 Seal off line connections immediately with plugs. The brake fluid expansion reservoir must not run empty.

AR42.10-P-0013V



*129589009100

6

Remove bolts (31s) and remove brake caliper (31)



*BA42.10-P-1001-12P

7

Install in the reverse order

8

Bleed brake system

AR42.10-P-0010V

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

AS42.50-Z-0002-01A

9

Operate the brake pedal several times until brake pads make contact with the brake disks (61)

 The brake pads have made contact with the brake disks (61) when a firm resistance can be felt at the brake pedal.

10

Check brake system for leaks

AR42.10-P-0100-01V



Checking

11

Check fluid level in brake fluid reservoir, and correct if necessary.

AP42.10-P-4210V



*BF42.10-P-1001-01A

Danger!

Risk of death caused by limbs being caught or crushed by rotating parts when performing tests on the brake test stand

Never leave the vehicle unattended on the rollers except in an emergency. Ensure that no one is under the vehicle or near rotating parts during testing. In case of emergency, use the EMERGENCY STOP switch to shut down test stand.

AS42.00-Z-0001-01A

12

Carry out brake test on the test stand

AP42.00-P-4290BA

Number

Designation

Model 171
except 171.473

BA42.10-P-1001-12P

Self-locking bolt, brake caliper to wheel carrier

Nm

55

BA42.10-P-1003-12P

Bolt, brake lining contact sensor to brake caliper

Nm

7

Number

Designation

Model
171

BF42.10-P-1001-01A

Brake fluid

Filling capacity

Liters

0.45 to 0.6

Specifications for Operating Fluids

Sheet

BB00.40-P-0330-01A

Sheet

BB00.40-P-0331-00A