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Remove/Install Vacuum Pump - AR43.05-P-1320XGC

Model 463 with engine 177 

as of model year 2019 

Fig 1: Vacuum Pump Components Location - Model 463 With Engine 177 As Of Model Year 2019
G13658401Courtesy of MERCEDES-BENZ USA
CAUTION Risk of injury  to skin and eyes due to handling of engine oil. Risk of poisoning  caused by swallowing engine oil Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.
AS18.00-Z-0001-01A
WARNING Risk of injury.  Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
CAUTION Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Remove heat shield from exhaust gas turbocharger. INSTALLATION IMPORTANT : Only install upper engine cover after the leak test. AR09.40-P-6044XGC
2 Detach vacuum line (1) from vacuum pump (5) and seal openings with suitable stop plugs. CANADA ONLY Record plug Fig 2
3 Remove screws (2) and remove heat shield (3). 17 TORQUE SPECIFICATION Bolt, heat shield to vacuum pump *BA43.05-P-1007-01B 
4 Disconnect vacuum hose (4) from vacuum pump (5) and seal openings with suitable stop plugs. CANADA ONLY Record plug Fig 2
5 Remove screw/bolts (6). TORQUE SPECIFICATION Bolt, vacuum pump to cylinder head *BA43.05-P-1002-01B 
6 Remove vacuum pump (5) upwards. INSTALLATION IMPORTANT : Replace seal.  
7 Install in the reverse order.    
WARNING
8
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.
Carry out engine test run, while doing so check service brake for proper operation and engine for leak tightness.
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
9 Install upper engine cover.   AR01.10-P-2405XGC
VACUUM PUMP

Number Designation Model 463 as of model year 2019 Model 463 up to model year 2019
BA43.05-P-1002-01B Bolt, vacuum pump to cylinder head Nm 10 10
VACUUM PUMP

Number Designation Model 463 as of model year 2019 Model 463 up to model year 2019
BA43.05-P-1007-01B Bolt, heat shield to vacuum pump Nm - 9
Fig 2: Identifying Record Plug (129 589 00 91 00)
G13658402Courtesy of MERCEDES-BENZ USA