A8L V8-4.2L (BFM) (2004)
Level control pump temperature sensor -290- is installed in the air supply unit. It cannot be exchanged.
17. Connector
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For drain valve
The drain valve is installed in the air supply unit. It cannot be exchanged.
18. Connector
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For connection to engine
Fig. 1 Plug-in system
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The lines are properly attached if only one of the marks -arrow- is visible.
Note:
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Lines must not be shortened.
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Detach lines by unfastening the connection piece.
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Route air lines before removing protective transportation caps (detach immediately prior to making connection).