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Home >> Mercedes Benz >> 2003 >> ML350 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes -- 163 Chassis >> Testing & Repair >> Remove, install brake line from stepped tandem brake master cylinder to hydraulic unit - AR42.50-P-0002GH

Remove, install brake line from stepped tandem brake master cylinder to hydraulic unit - AR42.50-P-0002GH

MODEL 163.113 /128 /136 /154 /157 /172 /174 /175 

Fig 1: Identifying Brake Line From Stepped Tandem Brake Master Cylinder To Hydraulic Unit Components
G04607443
REMOVINGINSTALLING Remove/Install     
DANGER Risk of poisoning  from swallowing brake fluid. Risk of injury  from skin and eye contact with brake fluid. 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 brake fluid All models AH42.50-P-0001-01A 
NOTES Notes if loss of brake fluid is not visible externally Models 129, 140, 163, 168, 170, 202, 203, 208, 209, 210, 215, 220, 414, 460, 461, 463.200 /204 /206 /207 /208 /209 /220 /221 /224 /225 /227 /228 /230 /231 /232 /233 /240 /241 /244 /245 /247 /248 /249 /250 /254 /300 /304 /307 /308 /309 /320 /321 /322 /323 /324 /325 /327 /328/330/331 /332/333 AH42.10-P-9406-02A 
NOTES Notes on repairs to brake system All models AH42.00-P-0003-01A 
1 Open engine hood and raise to vertical position IMPORTANT Up to VIN A145272, X708318 AR88.40-P-1000GH
    IMPORTANT As of VIN A145273, X708319 AR88.40-P-1000GI
2.1 Remove engine cover IMPORTANT Model 163.113/128.  
3 Unscrew pressure circuit brake line (DK) and secondary brake circuit brake line (SK) from tandem master brake cylinder (1). NOTESRisk of confusion!  Before unscrewing, mark the brake line in relation to the appropriate connection.
NOTES Plug connections with blind plugs to prevent brake fluid flowing out.
 
    TORQUE SPECIFICATION *BA42.10-P-1003-04A 
    SPECIAL TOOL Box wrench bit Figure
    SPECIAL TOOL Set of plugs Figure
4 Unscrew pressure circuit brake line (DK) and secondary brake circuit brake line (SK) from traction system hydraulic unit (A7/3). NOTESRisk of confusion!  Before unscrewing, mark the brake line in relation to the appropriate connection.
NOTES Plug brake line and connections with blind plugs to prevent brake fluid flowing out.
IMPORTANTInstallation:  Observe markings when screwing on brake lines. Do not mix up brake lines.
 
    TORQUE SPECIFICATION *BA42.40-P-1001-01A 
    SPECIAL TOOL Box wrench bit Figure
    SPECIAL TOOL Set of plugs Figure
5 Unclip pressure circuit brake line (DK) and secondary brake circuit brake line (SK) from longitudinal frame member at inside NOTES Risk of damaging clips (2).  
6 Remove pressure circuit brake line (DK) and secondary brake circuit brake line (SK) NOTESRisk of confusion!  Label brake lines.  
7 Install in the reverse order    
TORQUE SPECIFICATION Brake lines, brake hoses

Number Designation Model 163.113 as of VIN A289565, X754620 163.154 as of VIN A289565 except USA ONLY Model 163.113 up to VIN A289564, X754619 163.154 up to VIN A289564
BA42.10-P-1003-04A Brake line to master brake cylinder Nm 20 20
TORQUE SPECIFICATION Brake lines, brake hoses

Number Designation Model 163.128/172/174/175 Model 163.136 Model 163.154/157 USA ONLY Model 163.157 except USA ONLY
BA42.10-P-1003-04A Brake line to master brake cylinder Nm 20 20 20 20
TORQUE SPECIFICATION Acceleration Slip Regulation (ASR)

Number Designation Model 163
BA42.40-P-1001-01A Brake line to ASR / ETS hydraulic unit Nm 15
Fig 2: Identifying Box Wrench Bit (140 589 00 03 00)
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Fig 3: Identifying Set Of Plugs (129 589 00 91 00)
G04607445