Do you pour K-Seal directly into the radiator?

Pour into radiator or header/expansion tank

Pour the entire bottle of K-Seal ULTIMATE into your cooling system. K-Seal ULTIMATE can be used in hot or cold engines. If you are applying to a hot engine be careful as the cooling system will be under pressure. Do not pour K-Seal directly onto the radiator core.

Do you put K-Seal in radiator or coolant reservoir?

If you add K-Seal directly to the radiator, ensure there is enough coolant to cover the core which (shelf at the top) to ensure that K-Seal is added to fluid rather than hitting the core first. One option is to pre-mix K-Seal in a larger container of water and then add to the radiator.

Do you add coolant with K-Seal?

Yes. K‑Seal is compatible with DEX-COOL and all other types and brands of antifreeze/coolant. Unlike many other products, there is no need to drain or flush the cooling system before adding K‑Seal. Just shake, pour and go!

How do you use K-Seal ULTIMATE?

Simply shake the bottle, pour K-Seal ULTIMATE into your cooling system, and you're back on the road. Just one bottle of K-Seal ULTIMATE is enough to fix blown head gaskets and cracked heads in cars, SUVs and small trucks. For larger engines, simply use two bottles.

Can you put radiator stop leak in coolant reservoir?

Can Bar's Leaks® Radiator Stop Leak be installed in existing antifreeze coolant? Yes, Bar's Leaks works with all types and colors of antifreeze coolant and/or water.

K-Seal Coolant Repair " POUR AND GO" ( HEATER CORE REPAIR )

Will K-Seal stop overheating?

If you are losing coolant and your engine is overheating, then you can use K-Seal to quickly and safely stop the leak.

How long does K-Seal take to work?

It'll take 5 minutes for your engine to reach operating temperature.

How do you flush K-Seal?

Will K-Seal stop white smoke?

K-Seal can fix water loss and white smoke from your car exhaust. Thick white smoke pouring from the exhaust is usually due to a crack in the cylinder head, engine block or head gasket.

Does K-Seal work on a cracked head?

K-Seal ULTIMATE is the simple, permanent fix for blown head gaskets, cracked heads and blocks, and porous engine blocks. Our unique formula works with all water-cooled engines – there's no need to drain or flush your cooling system, and it doesn't matter what kind of antifreeze or coolant you've used previously.

What size leak can K-Seal fix?

Testing by Brighton University showed K-Seal is capable of permanently sealing holes of up to 0.635mm in diameter, and cracks up to 0.254mm wide by 12.7mm long. As most holes and cracks are significantly smaller than this, K-Seal can provide a permanent, guaranteed fix for the majority of leaks.

What is the best stop leak for a radiator?

5 Best Radiator Stop Leaks. #1 Best Overall: Bar's Leaks Liquid Aluminum Stop Leak. #2 Runner-Up: K-Seal ST5501 Pour & Go Leak Repair. #3 Best Powder: AlumAseal Radiator Stop Leak Powder.

Can you leak water pump with K-Seal?

K-Seal can repair most leaks in your engine's water pump casing and seals.

Will K-Seal fix heater core?

Can K-Seal Fix My Heater Core? If you're looking for a heater core leak quick fix, then you're in luck — K-Seal will fix most leaks in the heater core.

Will K-Seal fix thermostat?

K-Seal can help fix these problems fast. There are several reasons for an overheating car—such as a faulty radiator, failing thermostat, blocked cooling system, water pump failure, blown head gasket, cracked block or simply low coolant levels.

Will Stop leak ruin my radiator?

When you carefully follow the instructions for our engine, radiator or other stop leak products, there is no risk of damage.

How long does stop leak last in a radiator?

It depends. If the leak is mild to moderate, we've had customers run 10,000-50,000 miles with no further issues. If the leak is more severe, or on the edge of becoming severe, the repair might last a shorter duration. The advice we always give is to act at the first sign/symptom of a cooling system problem.

How long does Radiator Stop Leak take to work?

Run the car for approximately 5 to 10 minutes to thoroughly coat the radiator. Fill the radiator - Fill the radiator with a 50/50 mixture of water and coolant to top off the cooling system. Allow the car to sit overnight - Allow the car to sit at least 12 hours so that the radiator sealant can set up properly.

Does white smoke always mean blown head gasket?

White smoke from your exhaust almost always indicates a blown head gasket, and just like there is coolant mixed with your engine oil, there will also be engine oil mixed with your coolant.