Blown Head Gasket Repair

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What it's for:
  • Block & Head Gasket
What it does:
  • Stops Leaks
  • Repairs
  • Stops Smoking
  • Repairs Blown Head & Intake Gasket Leaks
  • Seals Warped / Cracked Heads & Blocks
  • Stops Overheating & Coolant Loss
  • Safe & Easy to Use, and Seals Quickly
  • Can Rislone HEAD SEAL Blown Head Gasket Repair be installed in existing antifreeze?

    Yes, it is compatible with ALL types and brands of 50-50 mix antifreeze including yellow, orange, pink, red, blue and green silicate based & non-silicate based (OAT / HOAT) coolant. It also works great in systems containing only water. Cooling systems that are dirty or partially clogged, should be flushed and cleaned before usage.

  • Can the product be installed in a diesel engine?

    Yes, it works with ALL gasoline and diesel engines. This heavy-duty formula works on aluminum and cast iron heads & blocks, along with sealing all other engine cooling system leaks better than a traditional stop leak. This includes repairing head gaskets, cylinder heads, intake gaskets, cracked blocks and freeze plugs.

  • Will this work in both domestic and import cars and trucks?

    Yes, Head Seal will work in all types of water-cooled vehicles.

  • How does this type of product work?

    The special formulation contains a combination of antifreeze-compatible sodium silicate sealing liquid
    and various sized gasket sealing particles reinforced with carbon fiber which penetrate gaps & cracks
    and harden to permanently stop leaks.

  • What if I don’t have direct access to the radiator?

    If you do not have direct access to your radiator and the overflow tank is pressurized, you can install in the tank. Otherwise remove top hose where it connects to the top of the radiator and install product in hose. Reattach hose and tighten clamp.

  • Does Rislone Head Seal permanently repair leaks?

    Yes, it is a permanent solution for your cooling system leaks. What do we mean by permanent? It is not designed to be temporary, or a quick fix like other brands, especially those which do not use reinforcing fibers in the formula. Just like replacing a head gasket will not last forever, neither will Head Seal. But in some cases, our formula can even last longer than if the head gasket was replaced.

  • Do I need to drain my radiator after the leak has been repaired?

    No, top off radiator and leave Rislone Head Seal in the system for continued protection and drive vehicle normally.

  • What are the dosage recommendations?

    One (1 liter) bottle treats cooling systems from 9.5 liters to 19 liters. Use ½ bottle for smaller cooling systems from 5.5 liters to 9.49 liters. For larger systems use 1 bottle for every 19 liters of cooling capacity. In very small systems, use 55 milliliters per liter of capacity.

  • How does Xtreme Cool™ make the vehicle run cooler?

    The Xtreme Cool™ additive in Head Seal reduces the surface tension of coolant increasing the wetting ability. This improves heat transfer reducing coolant temperature helping to prevent overheating and leaks.

  • Will Rislone plug my heater core?

    No, Rislone Head Seal will not clog your heater core, it is safe and effective.
    Note: If using Rislone Head Seal 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 when on HOT it allows full flow.

  • I accidentally added the Rislone Head Seal Sealant into my gas tank, what should I do?

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

  • I accidentally added the Rislone Head Seal into my engine oil, what should I do?

    Rislone Head Seal 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.

When you think about a blown head gasket, do you see your money going being spent at the repair shop? How much time and inconvenience is involved in taking your car to a mechanic for blown head gasket repair? The lost time is a frustration, and the money it takes to alleviate a head gasket leak is overwhelming. That’s because fixing a head gasket can cost you quite a bit (typically $1,500-$3,000). We know you would rather spend that money on the things that matter most. That’s why we created this professional-grade, easy-to-use head gasket solution. It’ll repair your leaking head gasket and save you money.

Rislone Professional Carbon Fiber Head Seal is the strongest antifreeze-compatible solution on the market, period. It penetrates a leaking, damaged or blown head gasket, drying to form a seal that’s actually stronger than the original head gasket itself. It’s the best formula to stop all other coolant leaks in plastic, cast iron, copper and aluminum radiators, heater cores, freeze plugs, gaskets, intake manifolds, cylinder heads and engine blocks. The special formulation also contains Xtreme Cool™, which stops overheating and reduces water temperature. Our fast, effective head gasket sealer is the result of decades of research and testing by top-flight chemical engineers. When you choose Rislone for blown head gasket repair, you’ve got a product that’s designed to fit perfectly into the lifestyle and budget of everyday drivers.

A physical blown head gasket repair can be expensive, which is why Rislone is proud to offer an affordable solution for your head gasket leak. And best of all, you don’t need any automotive expertise to install our head gasket sealer. If you know how to open the hood of your car, you can use this blown head gasket repair product.

Rislone Professional Series – the products used by techs nationwide. Go grab yourself a bottle so you can spend your money on the things that matter. It’s time to get your show back on the road. Don’t let a blown head gasket sideline your life – or your wallet.

For Blown Head Gasket Repair and Much More

At Rislone, we offer chemical repair solutions for head gasket leaks and issues related to engine oil, power steering, cooling systems, transmissions and other components. We’ve been in business nearly 70 years, and our decades of service represent a strong track record of helping drivers just like you get back on the road again. All Rislone products are developed and manufactured right here in the United States, just an hour outside of Detroit. And each comes with the promise of effectiveness in battling mild to moderate head gasket leaks and other issues. While you’ll find plenty of products that claim to act as a head gasket sealer, some of these products fail and others actually make your issue worse. Choose Rislone for time-tested formulations you can trust to get the job done quickly, effectively and affordably.

Part Number: 31136
Dosage: One (1 liter) bottle treats cooling systems from 9.5 liters to 19 liters.
Size: 1L
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