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| Before unscrewing the adapter for K-Jetronic tester -V.A.G 1318/21-, the cut-off valve must be closed by turning it towards „–“. |
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| After completing bleeding process the protective cap has to be screwed onto the bleeder connection. |
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| If fuel pump does not start up or fuel flowing out of diesel extractor -VAS 5226- is not yet free of bubbles: |
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| Activate fuel pump via final control diagnosis. |
Starting final control diagnosis |
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| Fuel pump will be activated automatically when final control diagnosis is started. |
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| Final control diagnosis can only be performed when engine is not running and ignition is switched on. |
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| Final control diagnosis is terminated if next step is not selected after an actuation time of 1 minute, if engine is started or if an engine speed pulse is detected. |
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| Before restarting the final control diagnosis the engine must be started and the ignition must be switched off and on again. |
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| Connect vehicle diagnostic tester and select engine electronics control unit. When doing this, the ignition must be switched on. |
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| Select diagnostic function „Final control diagnosis“. |
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| Fuel pump will run for approx. 1 minute. As soon as bubble-free fuel flows out of diesel extractor -VAS 5226-, switch ignition off immediately. This indicates that fuel system has been bled. |
WARNING The fuel system is pressurised. Before opening the system place a cloth around the connection. Then release pressure by carefully loosening the connection. |
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