Remove/Install Electric Vacuum Pump - AR43.05-P-0001LF

Engine 276.8 in model 222 

Fig 1: Electric Vacuum Pump Components Location - Engine 276.8 In Model 222

Courtesy of MERCEDES-BENZ USA

	Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	Remove/install
1	Switch off ignition and store transmitter key outside of transmission range (min. 2 m)
2	Push down brake pedal several times	In order to reduce the vacuum in the brake booster.
3	Remove the left cover in the engine compartment
4	Remove left intake air duct
5	Release and disconnect the electrical connection (2) of the electrical vacuum pump (1)
6	Unclip electrical connection (4)
7	Unclip the retaining clip (3)
8	Unscrew both screws/bolts (5) from bracket (7) of the electrical vacuum pump (1)	Model 222.163/173 with engine 276.8 Screw/bolt, electrical vacuum pump to bracket	*BA43.05-P-1005-01K
9	Release the vacuum line (6) from the electrical vacuum pump (1) and simultaneously pull the electrical vacuum pump (1) off to the front
10	Remove the electrical vacuum pump (1) from bracket (7)	Check decoupling elements (8) of electric vacuum pump (1) for correct seating.
11	Install in the reverse order
12	Reset runtime status of the electrical vacuum pump using the diagnostic system	When replacing the electric vacuum pump.
			AD00.00-P-2000-04B
13	Read out and erase fault memory	When replacing the electric vacuum pump.
			AD00.00-P-2000-04B

VACUUM PUMP

Number	Designation		Engine 276 in model 166, 222
BA43.05-P-1005-01K	Screw/bolt, electrical vacuum pump to bracket	Nm	9