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Home >> Mercedes Benz >> 2012 >> S550 Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Pneumatic System - 221 Chassis >> Testing & Repair >> Remove/install brake booster vacuum line >> Remove/install brake booster vacuum line - AR43.10-P-0355SXH

Remove/install brake booster vacuum line - AR43.10-P-0355SXH

MODEL 221.095/195 with ENGINE 272.974 

Fig 1: Identifying Brake Booster Vacuum Line Remove/Install Components
G10127556Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Switch off ignition    
2 Push down brake pedal several times IMPORTANT Until the vacuum in the brake booster is reduced.  
3 Open engine hood    
4 Remove air filter housing   AR09.10-P-1150SX
5 Detach connection (1) of vacuum line (2) from vacuum pump (M56)    
6 Detach retaining clamp of vacuum line (2) from left cylinder head cover (9) TORQUE SPECIFICATION *BA01.30-P-1004-01O 
7 Remove cable straps (3 ea.) of vacuum line (2) and holding clip for holder    
8 Loosen rubber piping (3) from firewall and place to one side    
9 Detach connector (4) of vacuum line (2) from brake booster    
10 Detach connector (5) of vacuum line (2) from intake manifold    
11 Pull holder (7) for vacuum line (2) out of firewall    
12 Remove vacuum line (2) from engine compartment    
INSPECT Checking     
13 Check vacuum line's (2) check valve (6)   AR43.10-P-0023SX 
14 Install in the reverse order    
CYLINDER HEAD

Number Designation Engine 272
BA01.30-P-1004-01O Bolt, cylinder head cover to cylinder head M7 Stage 1 Nm 12
  Stage 2 ∠° 90