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Produits»Huiles et produits chimiques»AdBlue® additives»
Xenum
ADMAX
24,90 €
Disponible en stock
Näin vältät kalliit Adblue-remontit | Lue ammattilaisen vinkit
Huiles et nesteet, Xenum by Takatalo.fi / Antti R., 8.4.2026
AdBlue Problems? Prevent Crystallization with Xenum Admax
AdBlue is an essential part of modern diesel emissions control, but for many drivers, it is also a constant source of headaches.
System failure often leads to expensive repairs and, at worst, can leave you stranded on the side of the road.
In this guide, we explain why AdBlue systems act up and how you can prevent issues with proactive maintenance using Xenum Admax products.
What is AdBlue and why does it cause problems?
AdBlue is a urea-water solution injected into the diesel engine's exhaust stream to reduce nitrogen oxide (NOx) emissions.
The system works perfectly under laboratory conditions, but in real-world use—especially in varying weather conditions—challenges arise.
The most common cause of system failure is crystallization.
When urea is injected into the exhaust system at low temperatures (for example, during short-distance driving), it does not evaporate completely. This forms a white, hard deposit that clogs:
- AdBlue injectors
- SCR catalyst mesh
- Pumps and sensors
Xenum Admax: The Solution Against Crystallization
Xenum Admax is not a substitute for AdBlue; it is an additive mixed directly into the AdBlue tank. Its primary task is to prevent urea crystallization and keep the entire system clean.
How does Xenum Admax work?
Admax improves the surface tension of the urea solution and enhances its evaporation even at lower temperatures.
This means that the urea does not stick to surfaces to form deposits but exits the system as intended.
It also cleans existing light deposits.
Xenum Admax Pro: When You Need Powerful Cleaning
If your car is already showing fault codes related to the AdBlue system or the injector is clearly clogged, Xenum Admax Pro is the right choice.
It is a concentrated and more powerful version designed for professional use and acute problem-solving.
Admax Pro is capable of dissolving already formed crystallized urea more effectively than the standard version.
It is an excellent "first aid" solution that can help avoid the expensive replacement of an injector or the entire SCR unit, potentially saving you thousands in repair costs.
Instructions: How to Avoid AdBlue Repairs
Prevention is significantly cheaper than repair.
AdBlue system repairs often cost anywhere from 500 euros to several thousand euros.
- Regular Use: Add Xenum Admax every time you fill the AdBlue tank. One 250 ml bottle is enough for up to 125 liters of AdBlue (1:500 dosage).
- Avoid Constant Short Trips: If you only drive short distances, the AdBlue system doesn't have time to warm up sufficiently. In this case, Admax is a critical accessory.
- Ensure Quality: Use only AdBlue fluid that meets the required standards and ensure no impurities enter the tank.
Frequently Asked Questions (FAQ)
Can Xenum Admax damage the engine?
Admax is chemically compatible with all AdBlue fluids and SCR systems. It does not negatively affect the composition of exhaust gases; it only improves the system's reliability.
Does Admax remove an active check engine light?
If the fault code is due to crystallized urea, Admax (especially the Pro version) can help clean the system, which may cause the light to turn off once cleaned. However, if there is a mechanical failure (e.g., a broken pump), an additive cannot fix it.
How much Admax should I use?
Standard Admax is dosed at a 1:500 ratio. The Admax bottle cap has a measuring scale, making it easy to dose directly during refueling. The more powerful Admax Pro is a "one-shot" solution—the entire bottle is poured into the AdBlue tank.
What is the difference between Admax and Admax Pro?
Admax is intended for continuous preventive use. Admax Pro is a more potent concentrate used when problems or clogs have already been detected. Admax Pro can also be used for intensive cleaning every 30,000 km during regular maintenance.