Remove/install brake booster vacuum sensor - AR43.10-P-0352NKE

MODEL 242 with ENGINE 780 

Fig 1: Identifying Brake Booster Vacuum Sensor Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Risk of injury  due to fan starting unexpectedly	Do not reach into the rotation or hazard area of the fan. Wear closed and close-fitting work clothes.	AS20.40-Z-0001-01A
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Check
1	Switch off ignition
2	Push down brake pedal several times	In order to reduce the given vacuum in the BAS brake booster (A7/7).
3	Open engine hood and raise to vertical position
4	Remove battery carrier (1)	When removing brake vacuum sensor (B64/1) at left.
			AR54.00-P-0002NKB
5	Remove nut (2) and place bracket (3) to one side	When removing brake vacuum sensor (B64/1) at left.
6	Remove bracket (4)	When removing brake vacuum sensor (B64/1) at left. To do this, remove screw/bolts (5).
		Bolt, battery bracket to body	*BA54.10-P-1001-01I
7	Pry brake vacuum sensor (B64/1) out of BAS brake booster (A7/7)	Make sure that the seal plug and brake vacuum sensor (B64/1) are seated correctly. Check the seal plug on the brake vacuum sensor (B64/1) for damage; replace if necessary.
8	Release and detach electrical connector from brake vacuum sensor (B641)
9	Remove brake vacuum sensor (B64/1)
10	Install in the reverse order
	Check
11	Start engine	Operate brake pedal several times.
12	Check leaktightness of brake vacuum sensor (B64/1)	Air flow noises must not be audible at the BAS brake booster (A7/7).

BATTERY

Number	Designation		MODEL 242
BA54.10-P-1001-01I	Bolt, battery bracket to body	Nm	20