Bosch 5 ABS System
NOTE:
^ Before repairing the anti-locking system, determine the cause of the malfunction using On Board Diagnostic (OBD). Testing and Inspection
^ Before working on the ABS, ABS/EDL system, disconnect the battery ground strap. On vehicles with a coded radio, obtain the radio coding.
^ Before carrying out welding work with an electric welding unit.
- Disconnect negative terminal from battery and cover battery post.
- Connect ground cable of welding appliance directly to part being welded. Make sure that no insulated parts are present between ground connection and weld location.
- Do not touch electronic control modules and wiring with ground connector or welding electrode
^ When working with brake fluid, observe the valid, relevant safety precautions and notes.
^ After work for which the brake system had to be opened, bleed the brake system with brake filling and bleeding unit, tool No. VAG 123811, US 1116, or equivalent. Service and Repair
^ During the final road test, perform a controlled brake test at least once (pulsations must be felt at the brake pedal).
^ Absolute cleanliness is required when working on the anti-locking brake system, do not use any products which contain oils, greases etc.
^ Thoroughly clean all connections and the adjacent areas before loosening, do not use aggressive cleaning agents such as brake cleaner, gasoline or thinners.
^ Place removed parts on a clean surface and cover
^ Do not use fluffy cloths (that may have lint).
^ Cover or seal open components if repairs cannot be completed immediately.
^ Only remove replacement parts from packaging immediately prior to installation.
^ Only use genuine packed parts.
^ When the system is open do not work with compressed air and do not move the vehicle.
^ Ensure that no brake fluid enters wiring harness connectors.