Noticing a puddle of fluid under your car is never a good way to start your day. What you need is a safe and easy way to stop that leak so you can get on with your day as planned. Our Rislone Radiator Stop Leak will do just that.
This product is specially designed to stop minor cooling system leaks and drips caused by normal cooling system wear and age. It works with ALL types and colors of antifreeze coolant and/or water.
Before you know it, you’ll stop that leak and get your car back on the road. Yes, you. No mechanic required.
part number: 41196
dosage: Passenger Car, Utes, Light Trucks – Use one bottle for 6 & 8 cylinders, and half bottle for 4 cylinder engines.
size: 325 m
Can Rislone® Radiator Stop Leak be installed in existing antifreeze coolant?
Yes, Rislone works with all types and colours of antifreeze coolant and / or water.
Will it work in the new extended life antifreeze?
Yes, Rislone Radiator Stop Leak works with all types and colours of antifreeze coolant and/or water.
Do I need to drain my cooling system after using Rislone?
No, this product is designed to be left in the cooling system to protect from future leaks and overheating.
How long does it take to see results?
We recommend you drive / idle the vehicle for 15 to 30 minutes. In most cases the leak will be sealed instantly, but others will require up to 30 minutes. If the leak is not sealed in 30 minutes, a second application may be required, or mechanical repair may be needed.
Will Rislone plug my heater core?
No, Rislone® Radiator Stop Leak will not clog a clean heater core. Note: If using Rislone® to stop heater core leaks, make sure you turn your heater control to HOT. Some vehicles have a valve that controls coolant flow through the core and is only opened in the HOT position.
What are the dosage recommendations?
Passenger cars and light trucks—Use one bottle for 6 & 8 cylinders and half bottle for 4 cylinder engines. Small engines or other small systems use approximately 20 mL per liter of fluid capacity.
Over the road and heavy-duty equipment—Install one bottle for every 15 liters of coolant capacity.
Can I install Rislone in my overflow reservoir?
Yes, if direct access to the radiator cap is not available, install in overflow tank.
I accidentally added the Rislone into my engine oil, what should I do?
Rislone is only designed to be added to the cooling system. If the product is installed in the engine oil and the engine has not been started, in many cases you can remove the valve cover and drain the oil leaving the drain plug off. Then use an engine flush washing out the head keeping special attention to the oil return holes that run down to the oil pan. Clean these out and pour the engine flush down these holes flushing everything into the oil pan and out the drain hole. If the engine has been run, you need to take the vehicle to have a professional mechanic evaluate what can be done to clean the inside of the engine. This might include taking the engine apart to clean all of the parts.
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