Remove/install front axle brake caliper

AR42.10-P-0070AC

Remove/install front axle brake caliper

27.6.07

2.9.04

Value changed from 85 Nm to 115 Nm

Value in row 1001 model 209.375/376/475/
476 revised

 

Remove/install

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

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



Notes on repairs to brake system

AH42.00-P-0003-01A



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

1

Lift/jack up vehicle

Model 171

AR00.60-P-1000V

Model 209

AR00.60-P-1000P

2

Remove wheels



Remove/install wheels, rotate if necessary

Model 171

AP40.10-P-4050V



Model 209

AP40.10-P-4050Z

3

Remove brake hose

 Seal the connections immediately to avoid damage being caused by brake fluid running out.

Model 209

AR42.10-P-0013P

Model 171

AR42.10-P-0013V

4

Detach right front brake pad contact sensor (S10/2) from right front brake pad contact sensor connector (S10/2x1)

 Removal on left side is the same as on the right side.

 Model 209 with code P98 Black Series has a brake wear indicator on the right-hand side only.



Notes on installing brake pad wear sensor contact sensors

AH42.10-P-0003-01A

5

Unscrew right front brake pad contact sensor connector (S10/2x1) from brake caliper (31a)

 Removal on left side is the same as on the right side.

 Model 209 with code P98 Black Series has a brake wear indicator on the right-hand side only.

 Installation: Replace self-locking bolt for contact sensor connector (31e).

 Model 171

*BA42.10-P-1004-10P

 Model 209

*BA42.10-P-1003-10C

6

Remove brake pads (43) on front axle

AR42.10-P-1600AC

7.1

Unscrew bolts (35) from carrier and remove brake caliper (31a)

Vehicles without code P98 Black Series

 Installation: Replace bolts (35).

 Model 171

*BA42.10-P-1001-10P

 Model 209

*BA42.10-P-1001-10C

7.2

Unscrew bolts (36) from steering knuckle (34) and remove brake caliper (31a)

Vehicles with code P98 Black Series

 Installation: Replace bolts (36).

 Model 209

*BA42.10-P-1001-10C

8

Install in the reverse order

9

Bleed brake system

Model 171

AR42.10-P-0010V

Model 209

AR42.10-P-0010P



Checking

 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

10

Operate brake pedal several times until brake pads (43) make contact with brake disks (firm resistance can be felt)

11

Check brake system for leaks

Model 171

AR42.10-P-0100-01V

Model 209

AR42.10-P-0100-01A

Number

Designation

Model
171

BA42.10-P-1001-10P

Self-locking bolt, caliper support to steering knuckle

Nm

115

BA42.10-P-1004-10P

Self-locking bolt, brake pad contact sensor to brake caliper

Nm

7

Number

Designation

Model
209

209.377
except with code P98

Model 209.377 with code P98

BA42.10-P-1001-10C

Self-locking bolt, brake caliper to steering knuckle

Stage 1

Nm

115

30

Stage 2

°

-

90

BA42.10-P-1003-10C

Self-locking bolt, brake pad contact sensor to brake caliper

Nm

8

8