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

MODEL 172, 204, 207, 212 with ENGINE 271 

Fig 1: Identifying Vacuum Pump Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove vacuum in brake booster	To do this, press the brake pedal several times with the engine switched off.
2	Remove engine compartment paneling	Not on model 172. Model 204
		Model 207, 212	AR61.20-P-1105EW
3	Disconnect vacuum line (1) from vacuum pump (3)	Compress notches and pull off vacuum line (1).
4	Remove bolts (2) and remove engine suspension lug		*BA01.30-P-1005-01J
5	Remove bolts (4) and remove vacuum pump (3) upwards	Note the position of the clutch plate (5) relative to the drive plate of the vacuum pump (3). Clean sealing surfaces and replace gasket (6).
			*BA43.05-P-1001-01I
6	Install in the reverse order

CYLINDER HEAD

Number	Designation			Engine 271
BA01.30-P-1005-01J	Bolt, lifting eye to cylinder head	M8	Nm	13

VACUUM PUMP

Number	Designation		Model 204, 207, 212 with engine 271, 272	Model 172 with engine 271
BA43.05-P-1001-01I	Bolt, vacuum pump to cylinder head cover	Nm	9	9