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Home >> Mercedes Benz >> 2000 >> S430 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes -- Testing & Repair -- 215 & 220 Chassis >> Testing & Repair >> Remove/install front axle brake caliper - AR42.10-P-0070I

Remove/install front axle brake caliper - AR42.10-P-0070I

MODEL 215, 220 

Shown on 4-piston brake caliper 

Fig 1: Identifying Front Axle Brake Caliper Remove/Install Components (4-Piston Brake Caliper)
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Shown on 8-piston brake caliper 

Fig 2: Identifying Front Axle Brake Caliper Remove/Install Components (8-Piston Brake Caliper)
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REMOVINGINSTALLING Remove/install     
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of poisoning  caused by swallowing brake fluid. Risk of injury  caused by brake fluid coming into contact with skin and eyes. Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. AS42.50-Z-0001-01A
NOTES When working on vehicles with 8-piston brake caliper, the bolts (1) of the radial bolted connection should not be released under any circumstances as this leads to malfunctions in the brake system    
1 Raise vehicle with lifting platform    
2 Remove front wheel    
REFER TO MAINTENANCE Remove/install wheels   AP40.10-P-4050Z
3 Remove brake hose (51) from brake line (5) and seal line terminals with SPECIAL TOOL stop plugs NOTES Seal line connections immediately with SPECIAL TOOL plugs. The expansion reservoir for brake fluid may not become entirely empty to prevent bubbles from getting into the brake system.  
NOTES Notes on repairs to brake system   AH42.00-P-0003-01A
NOTES Brake fluid notes   AH42.50-P-0001-01A
NOTES Notes on installing brake hoses   AH42.10-P-9406-01A
    TORQUE SPECIFICATION *BA42.10-P-1001-04A 
    SPECIAL TOOL Set of plugs Fig 3
    SPECIAL TOOL Box wrench bit Figure
4 Detach brake hose (51) from brake caliper (31a) IMPORTANT When loosening or tightening brake line (5) on brake hose (51), take care not to twist its bracket. If necessary, counterhold the two flats of the brake hose (51) using an open wrench.    
    TORQUE SPECIFICATION *BA42.10-P-1002-04A 
    SPECIAL TOOL Box wrench Figure
5 Detach left front brake pad contact sensor (S10/1) or right front brake pad contact sensor (S10/2) from the left front brake pad contact sensor connector (S10/1x1) or right front brake pad contact sensor connector (S10/2x1)    
NOTES Notes on installing brake wear indicator contact sensors   AH42.10-P-0003-01A
6 Disconnect left front brake pad contact sensor connector (S10/1x1) and right front brake pad contact sensor connector (S10/2x1) from brake caliper (31a) IMPORTANTInstallation:  Replace self-locking bolt.  
    TORQUE SPECIFICATION Bolt, brake pad contact sensor to brake caliper *BA42.10-P-1004-10G 
7 Detach front axle brake caliper; to do so, remove bolts (35) IMPORTANTInstallation:  Replace self-locking bolts (35).  
    TORQUE SPECIFICATION Self-locking bolt, brake caliper to steering knuckle *BA42.10-P-1001-10G 
    TORQUE SPECIFICATION Guide pin on caliper support *BA42.10-P-1003-10G 
8 Install in the reverse order    
9 Bleed brake system Model 215, model 220 without special protection version, without top protection AR42.10-P-0010I 
    Model 220 with special protection version code 979, with top protection code Z07 AR42.10-P-0010MB 
DANGER Risk of accident  when commissioning the vehicle due to a lack of braking effect when the service brake is operated for the first time after repair work Before starting engine, actuate brake pedal several times until the pressure is built up and maintained in the brake system. AS42.50-Z-0002-01A
10 Operate brake pedal several times until the brake pads make contact with the brake disks (firm resistance can be felt)    
INSPECT Checking     
11 Check brake system for leaks   AR42.10-P-0100-01A 
TORQUE SPECIFICATION FRONT AXLE BRAKE CALIPER

Number Designation Model 215
BA42.10-P-1001-10G Self-locking bolt, brake caliper to steering knuckle Nm 180
BA42.10-P-1004-10G Bolt, brake pad contact sensor to brake caliper Nm 10
TORQUE SPECIFICATION FRONT AXLE BRAKE CALIPER

Number Designation Model 220 except model 08/18/074/174/ 179, model 220 without special protection Model 220 with special protection, Model 220.08/18/074/ 174/179
BA42.10-P-1001-10G Self-locking bolt, brake caliper to steering knuckle Nm 115 180
BA42.10-P-1004-10G Bolt, brake pad contact sensor to brake caliper Nm 8 8
BA42.10-P-1003-10G Guide pin to caliper support Nm - 25
TORQUE SPECIFICATION BRAKE LINES, BRAKE HOSES

Number Designation Model 215 Model 220
BA42.10-P-1001-04A Brake pipe to brake hose Nm 14 14
BA42.10-P-1002-04A Brake hose to fixed or floating caliper Nm 18 18
Fig 3: Identifying Set Of Stop Plugs (129 589 00 91 00)
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Fig 4: Identifying Box Wrench Bit (000 589 75 03 00)
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Fig 5: Identifying Ring Wrench (000 589 76 03 00)
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