Bleeding the hydraulic unit (vehicles with ESP) |
Special tools and workshop equipment required |
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| Vehicle diagnosis, measurement and information system -VAS- |
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| Brake filling and bleeding device, e. g. -VAS 5234- |
Caution Before the basic setting is performed, first of all the brake system must be fully bled until even the smallest air bubbles have escaped from the system. |
The air bubbles would penetrate into the ABS hydraulic unit when performing the basic setting. |
It is very difficult to remove these air bubbles from the ABS hydraulic unit. |
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