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Home >> Mercedes Benz >> 2008 >> ML550 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes -- Pneumatic System -- 164 Chassis >> Testing & Repair >> Remove/install vacuum pump - AR43.05-P-1320GZ

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

MODEL 164 with ENGINE 642 

Fig 1: Removing/Installing Vacuum Pump
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REMOVINGINSTALLING Remove/install    
1 Removes strut tower brace Model 164.8 only
Remove strut tower brace from strut tower mounts.
AR62.30-P-2500GY
2 Remove engine trim panel Installation:  Ignition switched off. AR01.10-P-2405GZB
3 Press in fastening catches on vacuum line (3) and pull off.    
4 Loosen bolts (2) at noise muffler (1). Installation:  Check sealing ring at noise muffler (1) for damage and apply light coating of grease.  
    TORQUE SPECIFICATION *BA43.05-P-1003-01A 
5 Remove noise muffler (1). Seal opening at throttle valve actuator.  
6 Loosen bolts (5) of vacuum pump (4). Installation:  Position driver of vacuum pump (4) correctly in camshaft.
Installation:  Ensure seal is seated correctly at cylinder head.
Installation:  Replace factory-installed aluminum screw/bolts installed with steel screw/bolts.
 
    TORQUE SPECIFICATION *BA43.05-P-1001-01A 
    Loctite 243 *BR00.45-Z-1133-02A 
7 Remove vacuum pump (4).    
8 Install in the reverse order    
VACUUM PUMP

Number Designation Model 164 with engine 642
BA43.05-P-1001-01A Bolt, vacuum pump to cylinder head Nm 9
BA43.05-P-1003-01A Bolt, noise muffler Nm 9
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1133-02A Loctite 243 A 613 989 09 71