Remove/install electric parking brake actuator motor

AR42.20-D-0600TS

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

Remove/install electric parking brake actuator motor

1	Actuator motor
2	Brake caliper
3	Electrical connector
4	Bolts
5	Sealing ring

D42.20-1159-06

 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

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