| Bleeding the brake system of air without using the brake filling and bleeding device |
| Special tools and workshop equipment required |
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| Vehicle system tester -V.A.G 1552- or vehicle diagnosis, measurement and information system -VAS 505x- |
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| Bleeding bottle (commercially available) |
Note | t
| Bleeding the brake system on vehicles with ABS is undertaken in the same way as for vehicles without ABS. |
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| On vehicles without ABS and with load-dependent brake-power regulator, move the lever of the brake-power regulator while bleeding the rear wheel-brake. |
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| While bleeding continuously check the brake fluid level in the brake fluid reservoir and top up brake fluid if necessary up to the „MAX“ marking. |
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| Build up pressure in the brake system by pumping the brake pedal. |
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| Open the vent valve with the hose of the bleeding bottle fitted. |
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| Close the vent valve while the pedal is pressed down. |
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| Repeat this procedure until no more air escapes. |
| 1.
| Rear right wheel-brake cylinder/brake caliper |
| 2.
| Rear left wheel-brake cylinder/brake caliper |
| 3.
| Front right brake caliper |
| 4.
| Front left brake caliper |
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| After bleeding close the relevant vent valve and fit dust cap. |
Note | After bleeding perform a test drive. While doing so perform at least one ABS adjustment! |
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| Perform test drive with ABS adjustment. |
| Vehicles with ABS/EDL/TCS or ABS/EDL/TCS/ESP BOSCH 5.7 |
Note | The bleeding of the brake system on vehicles with ABS/EDL/TCS or ABS/EDL/TCS/ESP BOSCH 5.7 occurs via the basic setting. |
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| with the vehicle system tester -V.A.G 1552- → Chapter |
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| Perform test drive with at least one ABS adjustment. |
| Vehicles with ABS//TCS/ESP BOSCH 8.0 |
Note | The bleeding of the brake system on vehicles with ABS/TCS/ESP BOSCH 8.0 occurs via the basic setting. |
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| with the vehicle system tester -V.A.G 1552- → Chapter |
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| Perform test drive with at least one ABS adjustment. |
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