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How to prevent AdBlue in the tank from crystallising?

Model: (Various brands) Various
Part: Checks and maintenance

Video tutorial

All diesel vehicles are equipped with a tank containing AdBlue, an additive necessary to reduce nitrogen oxide emissions from exhaust gases. However, AdBlue can sometimes crystallise inside the tank, causing damage to the vehicle; in these cases, it is necessary to visit a workshop for tank cleaning and liquid topping up. Today, however, we will recommend an additive that can be purchased online to prevent AdBlue crystallisation.

The additive in question is called "Sintoflon AdClean" and can be added directly to the tank before topping up or into the container.


Updated on 2 November 2026 by ScegliAuto


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by ScegliAuto

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