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– Seal valve -2- and disconnect filling hose using e.g. hose
clamp -3094- .
– Separate filling device -VAS 6277/2- and overflow protection
-VAS 6277/3- from additive container connections
-arrows A + B-.
– Connect both sealing plugs onto connections.
– Reinstall cover -1-.
– Seal tank filler neck.
4.4.6
Final checks
– Unscrew additive container from filling device -VAS 6277/2- .
– Drain all fluid from filling device -VAS 6277/2- , so that no re‐
sidual fluid will remain in the hose or cut-off valve.
Note
Residual fluid crystallises in combination with oxygen.
Caution
Crystallised fluid may cause malfunctions in the additive sys‐
tem.
Touareg 2003 ➤
Maintenance - Edition 11.2011
4. Descriptions of work
37