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

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MODEL 212 with ENGINE 272 

Fig 1: Remove/Install Vacuum Pump Components
G09976620Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Open engine hood and raise to vertical position   AR88.40-P-1000EW
2 Remove air filter housing   AR09.10-P-1150EWS
3 Detach vacuum line for brake booster (5) as of the separation point   AR43.10-P-0355EW 
4 Remove hot film mass air flow sensor   AR07.07-P-1453EW
5 Remove air duct housing   AR09.20-P-0080EW
6 Detach retaining clip (4) with electrical wiring harness (3) from engine    
7 Detach vacuum hose (1) from vacuum pump (6)    
8 Remove bolts (7) TORQUE SPECIFICATION *BA43.05-P-1001-01I 
9 Detach vacuum pump (6) backwards from cylinder head and remove INSTALLATION IMPORTANT Clean sealing surfaces and sealing ring (8) Observe position of drive plate (6a).  
10 Install in the reverse order    
DANGER 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 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
11 Test run engine and carry out leak check
VACUUM PUMP

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