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Home >> Mercedes Benz >> 2021 >> GLE53 AMG 4D Utility >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes -- Pneumatic System -- 167 Chassis >> Testing & Repair >> Remove/Install Vacuum Pump >> Remove/Install Vacuum Pump - AR43.05-P-1320MRK

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

Model 167 With Engine 264 

MODIFICATION NOTES

06.02.2019 Bolt, vacuum pump to cylinder head/cylinder head cover   BA43.05-P-1001-01Q
Fig 1: Vacuum Pump Components Location - Model 167 With Engine 264
G15038209Courtesy 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
Topical note  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Remove rear engine cover.   AR01.10-P-2408MRK
    INSTALLATION IMPORTANT Only install upper engine cover after the leak test.  
2 Detach vacuum line (5) from vacuum pump (1).    
3 Remove screws (6, 7, 8, 9).    
Topical note  Notes on threaded connections fastened using a tightening angle-based tightening process   AH00.00-P-0020-01A
    INSTALLATION IMPORTANT Tighten screws (6, 7, 8, 9) in numerical sequence.  
    TORQUE SPECIFICATION Bolt, vacuum pump to cylinder head/cylinder head cover *BA43.05-P-1001-01Q 
4 Remove vacuum pump (1). INSTALLATION IMPORTANT Install new seal (4).
Observe position of vacuum pump (1) driver.
 
5 Remove ball head (3). When replacing vacuum pump (1).  
    TORQUE SPECIFICATION Ball head, engine cover to cylinder head cover/vacuum pump *BA01.20-P-1010-03B 
6 Install in the reverse order    
WARNING Risk of burn injuries,  suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning  caused by skin contact with solid components of the exhaust. Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area. AS49.00-Z-0001-01A
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
7 Perform engine test run; in this connection, check engine for proper operation and leak tightness.    
CRANKCASE VENTILATION SYSTEM, CYLINDER HEAD COVER

Number Designation Engine 264
BA01.20-P-1010-03B Ball head, engine cover to cylinder head cover/vacuum pump Nm 5
VACUUM PUMP

Number Designation Engine 264
BA43.05-P-1001-01Q Bolt, vacuum pump to cylinder head/cylinder head cover Stage 1 Nm 8
Stage 2 ∠° 30