Remove, install brake line from stepped tandem brake master cylinder to hydraulic unit - AR42.50-P-0002GZ

MODEL 164 

Fig 1: Identifying Brake Line From Stepped Tandem Brake Master Cylinder To Hydraulic Unit Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
	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	All models	AH42.50-P-0001-01A
	Notes on externally invisible brake fluid loss	Model 164	AH42.10-P-9406-02GZ
	Notes on repairs to brake system	All models	AH42.00-P-0003-01A
1	Open engine hood and raise to vertical position		AR88.40-P-1000GZ
2	Unscrew union nuts from pressure circuit brake line and secondary brake circuit brake line (1) from tandem master brake cylinder (2)	Risk of confusion!  Before unscrewing, mark the brake line in relation to the appropriate connection. Plug connections with blind plugs to prevent brake fluid flowing out.
			*BA42.10-P-1003-04J
		Box wrench bit	Figure
		Set of stop plugs	Figure
3	Unclip pressure circuit brake line and secondary brake circuit brake line (7)	Clips (3, 4).
4	Unscrew union nuts from pressure circuit brake line and secondary brake circuit brake line (5) from hydraulic unit (6)	Risk of confusion!  Before unscrewing, mark the brake line in relation to the appropriate connection. Plug brake line and connections with blind plugs to prevent brake fluid flowing out. Installation:  When screwing on the brake lines, observe markings applied. Do not mix up brake lines.
			*BA42.45-P-1002-01J
		Box wrench bit	Figure
		Set of stop plugs	Figure
5	Remove pressure circuit brake line and secondary brake circuit brake line (7)	Risk of confusion!  Label brake lines.
6	Install in the reverse order
7	Bleed brake system		AR42.10-P-0010GZ

BRAKE LINES, BRAKE HOSES

Number	Designation		Model 164.1/8
BA42.10-P-1003-04J	Brake pipe to master brake cylinder	Nm	18

ELECTRONIC STABILITY PROGRAM (ESP)

Number	Designation		Model 164.1/8
BA42.45-P-1002-01J	Union nut, brake line to ESP hydraulic unit	Nm	18

Fig 2: Identifying Box Wrench Bit (140 589 00 03 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Set Of Stop Plugs (129 589 00 91 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.