K-Seal Flush

Professional Grade, Concentrated Formula Helps to Prevent Cooling System Failures

From the Global Leader in Cooling System Repair.  Trust K-Seal to quickly clean, flush and protect your cooling system, extending the life of your vehicle and saving you money.

K-Seal Cooling System All In One Flush acts quickly to help remove oil and grease deposits, rust (corrosion), sludge and limescale.  These deposits can restrict the flow of the coolant, resulting in overheating, cooling system and engine failures which could cost thousands of dollars.  It is essential to regularly flush a vehicle’s cooling system to maintain optimal cooling performance, protect the engine, extend engine life and avoid costly repairs.  K-Seal All In One Cooling System Flush is a professional grade, concentrated formula suitable for technicians and DIY applications.

How to use K-Seal Cooling System Flush & Cleaner

1. Only after the engine is fully cooled, remove the radiator cap or expansion tank cap where necessary. Place a pan under the radiator / coolant drain valve, open valve and drain coolant completely. (Please dispose of used coolant responsibly by following local laws and regulations.)
2. Close the drain valve. Add K-Seal Flush to the cooling system and then top off with water. Replace the radiator / expansion cap. Run the engine for 15 minutes with the heater on max and monitor coolant temperature, do not allow the engine to overheat. Turn the engine off and let it cool.
3. Drain the cooling system again (repeat Step 1). Thoroughly rinse the cooling system with water until the drained fluid runs clear. Ensure all water is drained from the radiator and engine block.
4. Close the drain valve. Add new coolant / antifreeze (refer to vehicle manual) via radiator/expansion tank cap.  Run the engine for 15 minutes with the radiator / expansion cap off and heater on.  Watch for air bubbles, top off coolant as needed.

Make sure to read cautions on the bottles label before use.
Do you have a coolant leak?  Use K-Seal Multi Purpose, K-Seal Ultimate Head Gasket or K-Seal HD for a fast and reliable coolant leak repair.

FAQs

Is K-Seal Flush compatible with all types of coolant?

Yes. K-Seal Flush does not react with coolant or other additives that may already be in the system.

How long does a K-Seal cooling system flush take?

K-Seal Flush works in just 15 minutes but you will need to allow extra time to drain the cooling system before and after treatment.

How much K-Seal Flush do I need?

1 standard bottle of K-Seal Flush (24 FL oz / 710ml) will clean cooling systems up to 12 quarts / 3 gallons / 11 liters capacity.