Prepare your Campervan for winter using Tec4 Engine cleaners
Autumn has arrived, which means it’s time to prepare your campervan for winter storage. Many campervan owners think about cleaning, checking tires, and disconnecting batteries – but forget about the fuel system. Yet, this is a crucial part of proper campervan maintenance.
With Tec4 fuel cleaners, you can prevent downtime problems and ensure your campervan is ready to drive in the spring.

Tec4 Diesel System Cleaner – for a clean fuel system
TTec4 Diesel System Cleaner is specially formulated to thoroughly clean and protect the fuel system of all diesel engines.
Key benefits:
- Cleans the fuel system and provides anti-wear protection
- Removes water and moisture from the system to prevent corrosion
- Improves engine performance and response
- Optimizes fuel use
Tec4 AdBlue Clean & Protect – prevents crystallization
Many modern motorhomes are equipped with an AdBlue system. However, during long periods of inactivity, AdBlue can dry out and crystallize, causing malfunctions. Tec4 AdBlue Clean & Protect has been specially developed to clean, protect, and prevent the SCR system (AdBlue) from freezing.
Key benefits:
- Cleans and protects the SCR system
- Dissolves deposits and crystallization in the SCR injector
- Improves catalytic efficiency
- Stabilizes the AdBlue fluid
- Reduces NOx emissions
- Lowers the freezing point of the fluid to -18 ºC

Ready for winter, ready for spring.
By treating your campervan with Tec4 Diesel System Cleaner and Tec4 AdBlue Clean & Protect, you prevent contamination, crystallization, and starting problems. This keeps your campervan in top condition – and you’re ready for your next adventure in the spring.
