Remove/Install Vacuum Pump - AR43.05-P-1320LW

Model 205 with engine 276.8 

Model 253 with engine 276.8 

Fig 1: Vacuum Pump for Brakes Components Location - Model 205 with engine 276.8

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

	Risk of injury.  Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove
1	Remove upper engine cover
2	Unclip vacuum line (4) from bracket (1)
3	Unlock and pull off vacuum line (4) on vacuum pump (2)
4	Detach bracket (1) from vacuum pump (2)
5	Detach bracket (1) from crash plate
6	Detach vacuum hose (5) from vacuum pump (2
7	Remove bolts (3)
8	Remove vacuum pump (2)
9	Clean sealing surfaces on vacuum pump (2), cylinder head and cylinder head cover
	Install
10	Position vacuum pump (2) with new seal	Note position of vacuum pump (2) driver.
11	Screw in screws (3)	Bolt, vacuum pump to cylinder head/cylinder head cover	*BA43.05-P-1001-01K
12	Attach vacuum hose (5) to vacuum pump (2)
13	Secure bracket (1) to crash plate
14	Attach bracket (1) to vacuum pump (2)
15	Connect vacuum line (4) to vacuum pump (2) and lock
16	Clip vacuum line (4) into bracket (1)
	Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
17	Test run engine and carry out leak check
18	Install upper engine cover