Bleed brake system · ar4210p0010fg · Mercedes-Benz WIS

AR42.10-P-0010FG

Bleed brake system

20.3.06

MODEL 454.0 except CODE (30Y) Disk brakes on rear axle

P42.10-2517-06

1 Cap

2 Brake fluid reservoir

3 Front brake caliper

4 Wheel brake cylinder

5 Brake bleeder valve

	Bleeding
Danger!	Risk of poisoning caused by swallowing brake fluid. Risk of injury caused by brake fluid coming into contact with skin and eyes.	Pour brake fluid only 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
1	Connect STAR DIAGNOSIS
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04FF
		STAR DIAGNOSIS diagnosis system	*WH58.30-Z-1048-13A
2	Open engine hood
3	Unscrew cap (1) of brake fluid reservoir (2)
4	Connect and switch on brake fluid replacement unit on brake fluid reservoir (2)	 Observe owner's manual of brake fluid replacement unit.	*WE58.40-Z-1001-07A
	General brake fluid	Sheet 330.1	BB00.40-P-0330-01A
	Brake fluids (DOT 4 plus)	Sheet 331.0	BB00.40-P-0331-00A
			*454589019100
Danger!	Risk of death caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between the columns of the lifting platform and position the four support plates below the lifting platform support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
5	Raise vehicle
	Bleed primary circuit
6	Remove dust cap from brake bleeder valve (5), connect hose of brake fluid receptacle to brake bleeder valve (5) of right wheel brake cylinder (4) and open brake bleeder valve (5). Then have a second person depress brake pedal several times and close brake bleeder valve (5) again.	 Only close the brake bleeder valve (5) when brake fluid is discharged free of bubbles and without contamination (the brake fluid must be light in color).
			*BA42.10-P-1001-08E
7	Carry out bleeding process on left wheel brake cylinder (4), right front brake caliper (3) and left front brake caliper (3) in the same way	 Observe correct sequence.
			*BA42.10-P-1001-08E
			*BA42.10-P-1002-10A
	Bleed secondary circuit
8	Actuate hydraulic unit with STAR DIAGNOSIS	Assistant required as the brake pedal must be pressed every 15 seconds. By actuating the hydraulic unit in addition the secondary circuit of the brake system is bled.
		STAR DIAGNOSIS diagnosis system	*WH58.30-Z-1048-13A
9	Connect hose of brake fluid receptacle to brake bleeder valve (5) of right wheel brake cylinder (4) and open brake bleeder valve (5). Then have a second person depress brake pedal several times and close brake bleeder valve (5) again.	 Only close the brake bleeder valve (5) when brake fluid is discharged free of bubbles and without contamination (the brake fluid must be light in color).
			*BA42.10-P-1001-08E
10	Carry out bleeding process on left wheel brake cylinder (4), right front brake caliper (3) and left front brake caliper (3) in the same way	 Observe correct sequence.
			*BA42.10-P-1001-08E
			*BA42.10-P-1002-10A
11	Press dust caps onto the brake bleeder valves (5)
12	Lower vehicle
13	Switch off brake fluid replacement unit and disconnect	 Observe owner's manual of brake fluid replacement unit.	*WE58.40-Z-1001-07A
			*454589019100
14	Check brake fluid level and correct if necessary
	Brake system - inspect fluid level		AP42.10-P-4210FF
15	Screw on cap (1) of brake fluid reservoir (2)
16	Read out fault memory and disconnect STAR DIAGNOSIS	 If necessary, delete DTC memory.
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04FF
		STAR DIAGNOSIS diagnosis system	*WH58.30-Z-1048-13A
17	Check leaktightness of brake system	 If a road test is carried out following repair work on the hydraulic system, braking with ABS regulation must be performed.	AR42.10-P-0100-01FF

 Front axle floating caliper

Number	Designation		Model 454.0


BA42.10-P-1002-10A	Brake bleeder valve to brake caliper	Nm	10

 Brake cylinder

Number	Designation		Model 454.0 without code 30Y


BA42.10-P-1001-08E	Brake bleed valve to rear axle wheel brake cylinder	Nm	6

Adapter

454 589 01 91 00

Commercially available tools

Number	Designation
WH58.30-Z-1048-13A	STAR DIAGNOSIS diagnosis system, Compact Passenger Car	6511 1801 00

Workshop equipment

WE58.40-Z-1001-07A

Brake fluid replacement unit

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