RAVENOL Professional Radiator Stop Leak is a dispersion for protecting the cooling system and the combustion chamber against leaks and increasing operational safety. It permanently seals hairline cracks and leaks.

RAVENOL Professional Radiator Stop Leak prevents seals from sweating and the loss of coolant.

RAVENOL Professional Radiator Stop Leak is suitable for closed cooling systems.

Application Note

RAVENOL Professional Radiator Stop Leak is added to the radiator. If there are filters in the cooling system, a radiator jointing material may not be used.

Area of application:

- Severe sweating of cylinder head gaskets

- Leaky hose connections

- Hairline cracks in the radiator, cylinder head or engine block

Application:

RAVENOL Professional Radiator Stop Leak suffices for 10 litres of coolant. Set the heating controller to maximum heating output. The engine should be at a low operating temperature.

Attention: Open the cap on the expansion tank slowly and gradually - the system is under pressure, risk of burns!

Shake the can and fill the content into the cooling system with the engine running. Add coolant.

After filling, allow the engine to continue to run for at least 10 min. or take a test drive. Check the system’s coolant level, absence of air and leak tightness.

RAVENOL Professional Radiator Stop Leak is also suitable for closed cooling systems. It is completely compatible with anti-freeze agents and coolants.

RAVENOL Professional Radiator Stop Leak is neutral in regard to rubber, synthetic materials, light alloys and non-ferrous metals.

Characteristics

• Protection against sweating cylinder head gaskets
• Sealing of hairline cracks and leaks in the cooling system