Remove/install front axle brake disk

AR42.10-S-0230A

Remove/install front axle brake disk

15.1.10



Remove/install

1

Switch vehicle to service mode.

 With code CL0 (air suspension)

2

Remove wheel

AR40.10-S-1100A

3

Remove brake carrier with brake caliper.

 Tie brake caliper (4) to one side and ensure that the brake hose is not kinked.

AR42.10-S-0600A

4

Unscrew bolt (2) of brake disk (1).



*BA42.10-N-1001-11C

5

Remove brake disk (1)

 Installation: Clean braking surfaces of all dirt.

6

Install in the reverse order



Checking

7

Check brake disk

 If brake disk is undersize:

*BE42.10-N-1001-08B

Replace brake disks and brake pads

AR42.10-S-1600A

8

Check that brake pads are in acceptable condition.

 Replace if undersize.

AR42.10-S-1600A

9

Before starting the vehicle, fully depress the brake pedal repeatedly until pressure has built up.

 Test-drive the vehicle to check whether the brake system is functioning correctly and to adapt the brake pads.

Number

Designation

Model
638

BE42.10-N-1001-08B

Brake disk

Thickness when new

mm

22

Wear limit

mm

19

Lateral runout

mm

0.05

Flatness deviation

mm

0.05

Repair limit dimension

mm

-

Number

Designation

Model
638

BA42.10-N-1001-11C

Bolt, brake disk to wheel hub

Nm

22