Radiator Stop Leak Liquid – 4 Cylinder (41194)

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What it's for:
  • Cooling System
What it does:
  • Repairs
  • Stops Leaks
  • Stops & Seals Coolant Leaks
  • Works with Any Color Antifreeze
  • Stops Leaks and Drips from Wear and Age
  • Can Rislone® Radiator Stop Leak be installed in existing antifreeze?

    This product is specifically designed to be directly added to the cooling system with out having to flush out the antifreeze.

  • Will Rislone Radiator Stop Leak work in the new extended life antifreeze?

    Yes, Rislone is compatible with both conventional green or blue (silicate-based) and extended life red/orange or yellow (OAT/HOAT) antifreeze.

  • How long does it take for the Rislone to work?

    We recommend you drive/idle vehicle for 15 to 30 minutes. In most cases the leak will be sealed within this amount of time. If the leak is not sealed, a second application maybe required.

  • Will Rislone plug my heater core?

    No, the sealing particles will pass through the tiniest passages inside of the cooling system. 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.

  • What are the dosage recommendations?

    One 177 mL bottle treats (1.9) litres.

  • I accidently added the Rislone into my petrol tank, what should I do?

    Rislone is only designed to be added to the cooling system. If the product is installed in the petrol tank, the tank should be removed and cleaned out by a professional mechanic.

  • I accidently 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.

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: 41194
Dosage: Use one bottle for 4 cylinders, and two bottles for 6 & 8 cylinder engines.
Size: 177 mL
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