Xenum R-Flush Cooling System Cleaner 250ml

Xenum R-Flush is used when a cooling system needs an internal clean before fresh coolant is added. It is designed to loosen rust, scale, oily residue and deposits, helping restore coolant circulation and cooling-system performance.

Where to Use

• Water-cooled petrol engines
• Water-cooled diesel engines
• Radiators and engine cooling systems
• Cooling systems with rust or limescale deposits
• Cooling systems contaminated with oily residue or sludge
• Before refilling with fresh coolant

Key Benefits

• Removes rust, scale, oily residue and deposits
• Helps restore coolant circulation
• No cooling-system dismantling required
• Safe for hoses, seals and cooling-system metals when used as directed
• Compatible with OAT and other coolant types
• 250ml is suitable for approximately 4–8L of coolant-system capacity

How to Use

Bring the engine to operating temperature and set the heater to hot. Drain the old coolant, add R-Flush and water, then circulate it for around 20 minutes. Allow the engine to cool fully, drain and rinse the system until clean, then refill with the correct fresh coolant.

Important Information

Never open a hot or pressurised cooling system. Allow the engine to cool fully before draining or opening. Follow the vehicle manufacturer's coolant and bleeding procedure.