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

MODEL 231 with ENGINE 276 

Fig 1: Vacuum Pump Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove resonance intake manifold		AR09.20-P-1961RKA
2	Detach vacuum line (2) from vacuum pump (1)
3	Detach vacuum hose (4) from vacuum pump (1)
4	Remove bolts (3) from vacuum pump (1)	Replace the bolts (3).	*BA43.05-P-1001-01K
5	Remove vacuum pump (1) upwards	Clean sealing surfaces and install new sealing rings. Note position of drive plate for vacuum pump (1) during assembly.
6	Install in the reverse order
	Checking
7	Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running Test run engine and carry out leak check	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A

VACUUM PUMP

Number	Designation		Engine 276
BA43.05-P-1001-01K	Bolt, vacuum pump to cylinder head/cylinder head cover	Nm	9