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Home >> Mercedes Benz >> 2006 >> S55 >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Brakes -- Testing & Repair -- 215 & 220 Chassis >> Testing & Repair >> Remove/install master brake cylinder - AR42.10-P-0300I >> Notes

Remove/install master brake cylinder - AR42.10-P-0300I: Notes

MODELS 215, 220 

Fig 1: Identifying Master Brake Cylinder Remove/Install Components
G04849492
MODIFICATION NOTES

11.3.04 Note on disposal of brake fluid which has escaped, added    
REMOVINGINSTALLING Remove/Install     
DANGER Risk of poisoning  caused by swallowing brake fluid. Risk of injury caused by brake fluid coming into contact with skin and eyes. Pour brake fluid only into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. AS42.50-Z-0001-01A
NOTES Notes on handling brake fluid   AH42.50-P-0001-01A
NOTES Notes on repairs to brake system   AH42.00-P-0003-01A
NOTES Notes on externally invisible brake fluid loss   AH42.10-P-9406-02A
NOTES In order to prevent paint damage, brake fluid which has escaped must be rinsed off immediately with water    
1 Open engine hood   AR88.40-P-1000M
2 Suction off brake fluid from the reservoir (10)    
3 Detach plug (10b)    
4 Unscrew bolt (10a)    
5 Remove reservoir (10) from master brake cylinder (1) IMPORTANT Replace gaskets (9).  
  Detach brake lines (5) from master brake cylinder (1) and seal connections with plugs SPECIAL TOOL Box wrench bit Fig 2
    CAUTION Box wrench bit Fig 3
    SPECIAL TOOL Set of plugs Figure
    TORQUE SPECIFICATION *BA42.10-P-1003-04A 
7 Detach pendulum support (113) from master brake cylinder (1)   AR42.10-P-0300-02N 
    TORQUE SPECIFICATION *BA42.10-P-1003-05A 
8 Unscrew hexagon nuts (19, 2 pieces) TORQUE SPECIFICATION *BA42.10-P-1001-05A 
9 Remove master brake cylinder (1). NOTES Do not tilt master brake cylinder but pull out straight forwards otherwise the thrust rod is pressed out off its axial position.
IMPORTANT Installation: Replace sealing ring (1a).
 
10 Install in the reverse order    
11 Bleed brake system   AR42.10-P-0010I 
INSPECT Check     
12 Check brake system for leaks   AR42.10-P-0100-01A 
TORQUE SPECIFICATION BRAKE LINES, BRAKE HOSES

Number Designation Model 215 Model 220
BA42.10-P-1003-04A Brake pipe to master brake cylinder Nm 16 16
TORQUE SPECIFICATION MASTER BRAKE CYLINDER

Number Designation Model 215 Model 220
BA42.10-P-1001-05A Nut, brake master cylinder to brake booster Nm 20 20
BA42.10-P-1003-05A Bolt, pendulum support to master brake cylinder Nm 9 9
Fig 2: Identifying Ring Wrench Socket (000 589 77 03 00)
G04849493
Fig 3: Identifying Ring Wrench Socket (140 589 00 03 00)
G04849494
Fig 4: Identifying Set Of Plugs (129 589 00 91 00)
G04849495