Remove/install vacuum pump - AR43.05-P-1320LFB

MODEL 222 with ENGINE 157, 278 

Fig 1: Vacuum Pump Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove center section of bulkhead	Ensure correct seating of the center section of the bulkhead.
2	Disconnect connector of vacuum line (2) at vacuum pump (1)
3	Detach vacuum hose (4) from vacuum pump (1)
4	Remove screws/bolts (3, 5)	Replace the screws/bolts (3, 5). Model 222 with engine 157, 278 Bolt, vacuum pump to cylinder head/cylinder head cover	*BA43.05-P-1001-01K
5	Remove vacuum pump (1)	Clean sealing surfaces and replace gasket. Note position of drive plate for vacuum pump (1) during assembly.
6	Install in the reverse order
	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
7	Test run engine and carry out leak check

VACUUM PUMP

Number	Designation		Engine 157 in model 166, 212, 216, 217, 218, 221, 222, 231, 292	Engine 278 in model 166, 207, 212, 216, 217, 218, 221, 222, 231, 292
BA43.05-P-1001-01K	Bolt, vacuum pump to cylinder head/cylinder head cover	Nm	9	9