- Stops leaks
- One Step, Easy to Use
- Safely Seals Gasket Leaks
- Antifreeze Compatible Sodium Silicate Formula
- Quickly Stops Coolant Leaks
Rislone Block Seal Head Gasket Fix product is the easiest solution to stop head gasket coolant leaks. No draining of the cooling system is required. This formulation contains a combination of antifreeze compatible sodium silicate sealing liquid and various size gasket sealing particles which penetrate gaps and cracks and harden to permanently stop leaks. Rislone Head Gasket Fix seals because of the extreme heat inside the combustion chamber (2760°C) which works as a catalyst to permanently harden the material to make it stronger than the actual head gasket itself.
Your vehicle is a good candidate for this product if it can idle for 20 minutes without overheating or having to add coolant. Use on ALL water cooled petrol and diesel engines. Heavy duty formula works on aluminium and cast iron heads & blocks, along with sealing all other engine cooling system leaks better than traditional stop leak products. Rislone Block Seal Head Gasket Fix repairs head gaskets, cylinder heads, intake gaskets, cracked blocks and welch plugs.
Use with ALL types of 50-50 mix antifreeze including conventional green or blue (Silicate-Based) and extended life red/orange or yellow (OAT/HOAT) coolant, and/or water. Suitable for use in petrol, diesel, turbo, LPG and racing engines.
Purpose of a cooling System
Your engine creates up to 2760° C of heat within the combustion chamber. Enough heat to melt the entire engine in less than 30 minutes! Approximately one third of fuel’s energy is converted into usable power to propel the vehicle, one third of the energy is dissipated out through the exhaust system, and the remaining one third is carried off by the cooling system.
How does a cooling system work?
Coolant, which is a mixture of water and ethylene glycol (Antifreeze), is pumped throughout the engines water jacket drawing heat from the head, pistons, combustion chambers, cylinder walls, valves, etc.
The heated coolant travels from the water jacket through a radiator hose, to the radiator, where aided by a fan, its air cooled and returned via the other radiator hose to the engine. Fuel is SAVED and engine life INCREASED when the cooling system quickly reaches and maintains a very narrow operational range regardless of outside temperature extremes or engine load demands. Upon engine start up, the temperature must rise quickly, and then remain balanced – not too hot and not too cold! It’s important to understand how the condition of the coolant and the condition of the cooling system components can affect the operational economy and life of your engine!
Dosage & Directions
Allow engine to cool. Make sure engine is cool enough so radiator cap can be safely removed.
Shake well. Pour HEAD GASKET FIX directly into radiator. If using in a small cooling system under 5.7 litre capacities, such as 4 cylinders with no air conditioning, install ½ bottles. Tip: If direct access to radiator is not available and if overflow tank is pressurized, you can install in tank.
Fill radiator and overflow tank to proper level and reinstall radiator cap.
Turn heater on hot and fan on high.
Idle engine for 15 minutes.
Allow engine to cool so cap can be safely removed.
Top off radiator and leave Rislone HEAD GASKET FIX in cooling system for continued protection. Drive vehicle as normal.
NOTE: Cooling systems that are dirty or partially clogged should be flushed before usage. Protect from freezing. Protect bottle from freezing.
Can Rislone HEAD GASKET FIX be installed in existing antifreeze?
Yes, it is compatible with ALL types and brands of antifreeze including conventional green or blue (Silicate-Based) and extended life red/orange or yellow (OAT/HOAT) coolant. Also works in systems containing only water. Systems that are dirty or partially clogged, a flush is recommended before use.
Can it be installed in a diesel engine?
Yes, it works with ALL petrol and diesel engines. This heavy duty formula works on aluminium 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.
How does this type of product work?
This formulation contains a combination of antifreeze compatible sodium silicate sealing liquid and various size gasket sealing particles which penetrate gaps & cracks and harden to permanently stop leaks.
What if I don’t have direct access to the radiator?
If direct access to radiator is unavailable and if reservoir / overflow tank is pressurized, you can install in 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 GASKET FIX 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. Just like replacing a head gasket will not last forever, neither will Head Gasket Fix. Millions of bottles have been sold since the product was developed in 2004 successfully sealing leaks for many years and tens of thousands of kilometres.
Do I need to drain my radiator after the leak has been repaired?
No, top off radiator and leave Rislone HEAD GASKET FIX in cooling system for continued protection and drive vehicle as normal.
What are the dosage recommendations?
One 680g bottle treats cooling systems from 5.6L to 15L. Use 1⁄2 bottle for smaller cooling systems from 3.78L to 5.5L For larger systems use 1 bottle for every 15L
I accidentally added the Rislone Head Gasket Fix into my fuel tank, what should I do?
Rislone Head Gasket Fix is only designed to be added to the cooling system. If the product is installed in the fuel tank, the tank should be removed and cleaned out by a professional mechanic. Do not start or drive vehicle.
I accidently added the Rislone Head Gasket Fix into my engine oil, what should I do?
Rislone Head Gasket Fix 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.
Will Rislone Head Gasket Fix plug my heater core?
No, Rislone Head Gasket Fix will not clog your clean heater core, it is safe and effective.
Note: If using Rislone Head Gasket Fix 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.
"I used it on a 94 Toyota Camry V6 which was running on five cylinders and using 2ltrs of coolant each drive. Within 45mins of using the product the car was running like new on all 6 cylinders and there was no more steam vapour from the tail pipe. I'm really impressed with the product and would highly recommend."