Remove/install electric parking brake actuator motor

AR42.20-D-0600TS

Remove/install electric parking brake actuator motor

06.03.2020

Model

907, 910

with code B25 (Electric parking brake)

Modification notes

11.07.2018

Method adapted.

Operation steps 1, 2, 3, 4, 7

1

Actuator motor

2

Brake caliper

3

Electrical connector

4

Bolts

5

Sealing ring

 Danger

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

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

AS00.00-Z-0010-01A

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 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

Topical note

Brake fluid notes

AH42.50-P-0001-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Notes on repairs to brake system

AH42.00-P-0003-01A

 

Remove/install

1

Clean area surrounding cap of brake fluid reservoir.

Assembly cleaner

*BR00.45-Z-1028-04A

2

Unscrew cap from brake fluid reservoir.

3

Check fill level in brake fluid reservoir.


The fill level must not be above the "MAX" marking.
This prevents the brake fluid reservoir from overflowing when the brake pistons are pushed back.

If the fill level in brake fluid reservoir is too high.



Extract brake fluid.

 Commercially available tools
Extraction bellows

4

Move rear axle brakepads into assembly position.

AR42.10-D-1710-01TS

Topical note

Notes on carrying out repair work in the vehicle interior

AH68.00-N-0001-01S


Do not operate the service brake while "Move to assembly position" is shown.
Otherwise, the spindle of the brake caliper (2) will be damaged.

5

Raise vehicle.

AR00.60-D-1000-04TS

Topical note

Special instructions for lifting and supporting vehicle

AH00.60-N-0100-01TS

6

Remove electrical connector (3).

7

Remove actuator motor (1).

 Unscrew the screws (4) for this.

 If there is brake fluid between the actuator motor (1) and brake caliper, check brake caliper on vehicle side for brake fluid loss.

 Model 907
with code B25 (Electric parking brake)
except code IT5 (5.0 tonner)
Model 907
with code B25 (Electric parking brake)
with code IT5 (5.0 tonner)
Model 910
with code B25 (Electric parking brake)Bolt, actuator motor to brake caliper

*BA42.10-N-1005-12TS

If corresponding findings are present,



Replace brake calipers.

Remove/install rear-axle brake caliper

AR42.10-D-0080TS

8

Remove sealing ring (5) and check for damage.

If sealing ring (5) is damaged,



Replace sealing ring (5).

9

Install in the reverse order.

 Rear axle brake caliper

Number

Designation

Model 907
except code IT5 (5.0 tonner)

Model 907
with code IT5 (5.0 tonner)

BA42.10-N-1005-12TS

Bolt, actuator motor to brake caliper

Nm

10

10

 Rear axle brake caliper

Number

Designation

Model 910

BA42.10-N-1005-12TS

Bolt, actuator motor to brake caliper

Nm

10

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01