| Vacuum generation with manual vacuum pump -VAS 6213- |
| Instead of vacuum generation by means of engine or vacuum pump, the vacuum can be generated with the manual vacuum pump -VAS 6213- in certain cases. |
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| To do this, connect manual vacuum pump -VAS 6213- to vacuum hose from connection -B- on brake servo vacuum gauge -VAS 6721-. |
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| Open cut-off valve -B-. |
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| Generate vacuum with hand vacuum pump -VAS 6213- until between 600 and 950 mbar is shown on brake servo vacuum gauge -VAS 6721-. |
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| Then, carry out the corresponding checks. |
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