Replacing Fluid in ABS/ASC+T Brake System

34 00 025 - Replacing fluid in ABS/ASC+T brake system





Necessary preliminary tasks:
- Read and comply with General Information Service and Repair
- Remove air duct from microfilter on left Removing and Installing/Replacing Left or Right Microfilter Air Duct

Observe safety instructions on raising the vehicle 00 .. ... Lifting Vehicle With A Lifting Platform.





Important!
When carrying out repairs to the brake system, follow the procedure set out in Bleeding brake system with DSC Bleeding Brake System With DSC.





Connect bleeder unit to expansion tank and switch on.

Note:
Check relevant Operating Instructions for each device.

Charging pressure should not exceed 2 bar.





Flushing brake system completely

Connect bleeder hose with collecting tray to bleeder valve on rear right brake caliper.

Open bleeder valve and purge until clear, bubble-free brake fluid emerges.

Close bleed valve.

Follow same procedure on rear left, front right and front left wheel brake.





Switch off bleeder unit and remove from expansion tank.

Check brake fluid level.

Close expansion tank.

Note:
Pay attention to rubber seal (1) in sealing cap.