Remove/install front axle brake caliper - AR42.10-P-0070GH

MODEL 163.113 #A up to 289564, 163.113 #X up to 754619, 163.154 #A up to 289564, 163.136 

MODEL 163.154 /157 with CODE (494a) USA version 

Fig 1: Identifying Front Axle Brake Caliper Components

	Remove/Install
	Risk of poisoning  from swallowing brake fluid. Risk of injury  from skin and eye contact with brake fluid.	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
	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 commissioning the vehicle, operate the brake pedal several times until the pressure in the brake system is built up and maintained.	AS42.50-Z-0002-01A
	Notes on brake fluid	All models	AH42.50-P-0001-01A
	Notes on repairs to brake system	All models	AH42.00-P-0003-01A
	Notes on installing brake hoses	Model 163	AH42.10-P-9406-01GH
1	Remove wheels
	Remove/install wheels, rotate if necessary		AP40.10-P-4050GH
2.1	Unplug contact sensor connector (1)	Only present on left floating caliper.
3	Depress brake pedal with the brake pedal wind sufficiently until the replenishing port in the brake master cylinder is shut off	Do not allow brake fluid supply reservoir to run completely empty.
		Open bleed screw at floating caliper briefly to reduce pressure.
		Brake pedal winch	Figure
4	Unscrew banjo bolt (51b) from floating caliper.	Installation:  Replace gaskets (51a).
			*BA42.10-P-1004-04A
5	Unscrew guide bolts (31c).	Installation:  Replace guide bolts (31c).
			*BA42.10-P-1004-03A
6	Remove floating caliper (31a) together with brake pads.	Swivel floating caliper upwards (arrow) and remove.
		Installation  : First insert inner brake pad into piston of floating caliper then insert outer brake pad.
7	Install in the reverse order
8	Bleed brake system		AR42.10-P-0010GH
	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 commissioning the vehicle, operate the brake pedal several times until the pressure in the brake system is built up and maintained.	AS42.50-Z-0002-01A
9	Operate brake pedal several times until brake pads make contact with brake discs (firm resistance can be felt).
10	Check brake system for leaks		AR42.10-P-0100-01A

Front axle floating caliper

Number	Designation		Model 163.136	Model 163.154/157
BA42.10-P-1004-03A	Guide pins, floating caliper to brake caliper support	Nm	30	30

Front axle floating caliper

Number	Designation		Model 163.113 up to VIN A289564, X754619 163.154 up to VIN A289564 except
BA42.10-P-1004-03A	Guide pins, floating caliper to brake caliper support	Nm	30

Brake lines, brake hoses

Fig 2: Identifying Brake Pedal Winch (000 589 18 31 00)