Overview
Nulon Radiator & Engine Block Stop Leak is formulated to deliver a robust and enduring solution for leaks in radiators, inlet manifolds, and engine blocks. Leveraging DuPont™ Kevlar® fibre and liquid resin, it quickly addresses small leaks and cracks, providing ultimate sealing. Suitable for a wide range of vehicles and safe for all materials and coolant types, it offers an efficient and cost-effective alternative to expensive mechanical repairs.
Specification
Product size: 500ml; Technology: DuPont Kevlar fibre and liquid glass resin; Safe for plastic, aluminium, and metal radiators; Suitable for use with all types of anti-freeze/anti-boil glycol coolants; Fixes leaks up to 0.8mm in width; Can be used in various vehicles including cars, trucks, vans, and utes
Technical
Ensure to flush out dirty coolant before use; Do not add to engine oil; Recommended for radiators with various capacities - refer to usage guide; Compatible with glycol anti-freeze and water-based coolants
Benefits
Offers a permanent, strong fix; Prevents costly mechanical repairs; Maintains pressure and temperature within the cooling system; Quickly stops leaks and prevents overheating; Safe to use with a variety of radiator materials and coolant types
Install
Ensure the radiator is cool before opening to prevent burns. Shake the bottle well and pour the solution directly into the radiator. For smaller radiators, use half a bottle. Fill the radiator and overflow tank to the recommended levels and run the engine with heater at hot and fans at high to circulate the solution. Let the engine idle for 15 minutes, turn off and cool, then check and top-up coolant as necessary.
Fitment
Suitable for cars, trucks, vans, utes, and light commercial vehicles with radiators of 4, 6, and 8 cylinders, as well as larger cooling systems.
FAQ
Question: Can this product be used in any type of vehicle coolant system?
Yes, it is safe for all types of plastic, aluminium, and metal radiators, heater cores, gaskets, and welch plugs.
Question: Is it compatible with anti-freeze/anti-boil coolants?
Yes, it is compatible with all types of glycol anti-freeze/anti-boil coolants.
Question: How much product should I use?
Use half a bottle for 4-cylinder engines, one bottle for 6 and 8-cylinder engines up to 15 litres, and half a bottle per 7.5 litres for larger systems.
Question: What should I do if my coolant is dirty?
It is recommended to flush the dirty coolant and replace it with the correct coolant before adding the product.
Question: Is there any danger in using this product?
Ensure the radiator is cool before opening to avoid scalding, and follow the instructions carefully.
Inventory Extended Details
Nulon Radiator & Engine Block Stop Leak with DuPont™ Kevlar® fibre & liquid resin provides the ultimate strong long lasting fix. Formulated to permanently seal radiator leaks, inlet manifolds and engine block leaks, cracks, leaking welch plugs and leaking gaskets without costly mechanical repair. This unique microfibre technology seeks out and plugs small leaks and cracks that cause coolant loss, loss of pressure and overheating. Safe to use with all types of glycol anti-freeze/anti-boil coolants and water based corrosion inhibitors.