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Home >> Mercedes Benz >> 2020 >> S560e >> Repair and Diagnosis >> Brakes >> Mechanical - Air >> Brakes - Pneumatic System - 222 Chassis >> Testing & Repair >> Remove/Install Vacuum Pump >> Remove/Install Vacuum Pump - AR43.05-P-1320MNM

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

Model 217, 222 with engine 177 

G15370265Courtesy of MERCEDES-BENZ USA
Fig 1: Vacuum Pump Components Location - Model 222 With Engine 177
G15370266Courtesy of MERCEDES-BENZ USA
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
Topical note  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Remove right lambda sensor downstream of catalytic converter   AR07.04-P-0084MNM
    INSTALLATION IMPORTANT Install upper engine cover and center and rear lower engine compartment lining after the leak test.  
2 Unclip the holder (1) with engine wiring harness and place to one side    
3 Remove vacuum line (2) from vacuum pump (5) and seal openings using suitable stop plugs SPECIAL TOOL Record plug Fig 2
4 Remove vacuum line (3) on vacuum pump (5) and seal openings using suitable stop plugs SPECIAL TOOL Record plug Fig 2
5 Remove screw/bolts (7) and heat shield (6) TORQUE SPECIFICATION Bolt, heat shield to vacuum pump *BA43.05-P-1003-01O 
6 Detach vacuum hose (8) from vacuum pump (5) and seal openings using suitable stop plug SPECIAL TOOL Record plug Fig 2
7 Unscrew bolts (9) TORQUE SPECIFICATION Bolt, vacuum pump to cylinder head *BA43.05-P-1001-01O 
8 Remove vacuum pump (5) upwards INSTALLATION IMPORTANT Replace seal.
INSTALLATION IMPORTANT Note installation position of drive plate.
 
9 Install in the reverse order    
WARNING 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. 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
10 Carry out engine test run, while doing so check service brake for proper operation and engine for leak tightness    
11 Install center and rear sections of lower engine compartment lining   AR61.20-P-1105LF
12 Install upper engine cover    
VACUUM PUMP

Number Designation Engine 177
BA43.05-P-1001-01O Bolt, vacuum pump to cylinder head Nm 10
VACUUM PUMP

Number Designation Engine 177
BA43.05-P-1003-01O Bolt, heat shield to vacuum pump Nm 9
Fig 2: Identifying Record Plug (129 589 00 91 00)
G12078802Courtesy of MERCEDES-BENZ USA