VW T6 - leakage in the SCR system, AdBlue escaping

Data sheet
ManufacturerVolkswagen
Vehicle modelTransporter T6
Engine1.6 TDI + 2.0 TDI
Year of manufacture2015 - 2019
SymptomsSCR system leaking

Important safety note
Technical information and practical tips have been compiled by HELLA in order to provide professional support to vehicle workshops in their work. The information provided on this website is intended for use by suitably qualified personnel only.

AdBlue leaks from the SCR system in a VW Transporter T6

In the case of the above-mentioned vehicle with a selective catalytic reduction (SCR) system, leaks may occur in the area of the SCR components. Special attention must be paid here to the connection between the additive injector and the additive supply line. The additive (AdBlue) can leak out because the supply line does not engage completely with the injector.

In order to remedy this, the additive supply line should be replaced and at the same time the connector of the injector cleaned. Make sure that the pipe completely engages with the injector.

This information may also apply to other vehicle models with the same SCR system.


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