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

MODEL 166 with ENGINE 157, 278 

Fig 1: Identifying Vacuum Pump Remove/Install Components
G09982510Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER Risk of injury  caused by fingers being pinched or crushed  when removing, installing or aligning hoods, doors, trunk lids, liftgates or sliding roof Keep body parts and limbs well clear of moving parts. AS00.00-Z-0011-01A
DANGER Risk of injury  to skin and eyes caused by handling hot or glowing objects Wear safety gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
NOTES Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
1 Open engine hood and raise to vertical position Model 166.0 AR88.40-P-1000GQ
2 Remove engine cover    
3 Remove left section of partition wall (1) INSTALLATION IMPORTANT Ensure correct seating of left section of the partition wall (1).  
4 Remove air filter housing (2) on left    
5 Detach connector (3) from engine wiring harness    
6 Detach vacuum line (4) from vacuum pump (7)    
7 Detach vacuum hose (5) from vacuum pump (7)    
8 Remove bolts (6) from vacuum pump (7) INSTALLATION IMPORTANT Replace bolts (6).  
TORQUE SPECIFICATION *BA43.05-P-1001-01K 
9 Remove vacuum pump (7) upwards INSTALLATION IMPORTANT Clean sealing surfaces and replace sealing ring. Note position of drive plate for vacuum pump (7) during assembly.  
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
10 Test run engine and carry out leak check    
VACUUM PUMP

Number Designation Engine 157 Engine 278
BA43.05-P-1001-01K Bolt, vacuum pump to cylinder head/cylinder head cover Nm 9 9