I dont know much about cars and my 2012 hyundai santa fe had been overheating due to a leak. I watched this video this morning and did exactly what he said and so far my car is fine. I will be watching more videos of his to help myself out. Im a 30 year old woman and would love to learn more about cars. Thank you for this video!!!

I'm extremely happy with K Seal. Lately I've been adding a gallon of antifreeze every day. Always puddles under the 2003 dodge caravan. I'm sure would have been expensive to fix so I tried k seal last night. Within at least 10 minutes of using k seal, it seemed to stop the major leak. I drove it for about an hour after adding kseal. Parked it an checked it later on. NO LEAKS. YAY!!!!

SAVED me $800! I own a 08 retired Police Crown Vic 155K miles. My car developed the somewhat common expensive to repair, slight coolant leak at the intake manifold. I was looking at about a $800 repair as everything must come off and a new manifold is required. Knowing my car may not be worth a $800 repair my shop suggested I try a stop leak. I have never had any luck with any stop leak but I started researching and the reviews look good with K Seal and the fact that on the bottle suggest If the leak can be stopped, it will be a permanent stop! That statement sold me to at least try the K Seal. I used one bottle of this K Seal in the large 4.6 V8 coolant reservoir tank and the leak 100% stopped. I thought about a month later that now I had the leak stopped a good test would be to have the coolant system flushed and filled with clean water / antifreeze but no stop leak and I truly expected the leak to return but no, now almost 2 years and even after flushing the system I have ZERO coolant leaks! VERY GOOD STUFF! I will never use anything but K Seal. Saved me $800 and is holding up 2 years strong! I'm 100% sold on this product! And to think, I almost paid the $800!

I had a leak in my 2000 C5 Corvette. My mechanic recommended it. I poured it in after following the directions and it stopped the leak in about 5 minutes on the top of my radiator. I took the Vette out the next day and put about 100 miles on it. Came home pulled in the garage and checked for the leak and it was gone. Everything where the leak was is dry. This products works. Since it worked.so well on the C5 I put a bottle in my 2006 X5 BMW. This product saves me a bundle. Good luck.

So I just went to Walmart. Bought the last thing of K-Seal. Shook it up. Cold engine btw. Opened reservoir, poured in the reservoir plastic tank, poured more coolant. Ran it on idle for about 15 minutes with heater on full blast. Then drove around with heater on blast for about another 30 minutes. Streets & highway, got up to like 90 speed. Came home no more leak. Of course some coolant leaked out before the seal became closed. Gonna top it off tomorrow & see if it leaks. So far so good. 2001 Grand Marquis, 183k miles btw. Will give weekly/monthly updates. This is my main KZfaq page so I’ll respond guys.

Worked like magic for me. I could not locate the exact source of the leak. I just poured one bottle of this K-Seal, drove around for about an hour. I parked the car and checked it in the morning, no more leak. I strongly recommend this product.

I've never used this product, but one I have used for over 35 years is Bars Leak. If the one you used fails, use Bars Leak. Only difference is you warm up vehicle before adding. Once coolant starts circulating you add it in. I've never had it not work. Thanks for the video. This product looks to be a good one also.

Great video showing a real test using a hard working truck . This video convinced me. Thanks to you and your crew for giving it a go. Good filming too.. 👍.

It worked for me, I took my truck to a mechanic to have the intake manifold gasket replaced for an air leak and rough idle, the mechanic replaced it but sprung a leak and basically told me i was screwed so I went to pick up my truck and on the way I bought some k seal, Drove it home which was about a half hour ride and it fixed my leak and the mechanic said it was screwed, lol. I took it on a long ride on the freeway and around town and it ran perfect so I would recomend this to anyone as a option before going into costly repairs

My first time using it!! This past Saturday I drove my 2014 Prius from Chicago to Texas 16 hours non stop, only gas a go! Yes I was super scared because it was a long trip and I can tell you that this K-seal works great!! Stop and don’t listen to other videos because I watch like 10 videos and some get scared lol but don’t be afraid just do it trust me this safe me $2500 to swap another engine!! Recommend to drive your car few miles in the highway don’t just put it and let it seat because it might not work!! Shake the bottle for at least 1 minutes just to be in the safe side!! I ONLY USE A HALF BOTTLE AND STOP MY PROBLEM. I drove over a 11 hundred miles and yes my car is in Texas with no issues! NOW I CANNOT PREDICT WHATS COMING NEXT BUT SO FAR THE CAR IS FINE 👍🏼💪🏽

I’m about to try this after seeing multiple videos and reviews. 🤞🤞🤞

I used this in my Jeep with a leaking heater core. Stopped the leak for about a year! I just added another bottle today hoping it will hold for another year 🤞

Debating on using this. Just did a headgasket job. Head was resurfaced and overhauled at a machine shop. Deck had slight warpage, but within manufacturers specs. Machine shop declared I'd be fine. I thought about using that copper spray sealant just in case, shop advised me not to. That the MLS will seal the slight warpage. But they were wrong. I got coolant seeming from the side of the head. Most likely it's coming from the block. I don't have the time or the funds to tear it all down again. I just may have to try this stuff.

Simple, Honest, Easy Review!!! Nice job bro!!! 👍

Saved me $800-$1000 on my 2002 chevy silverado. My heater core was leaking and to replace the heater core my entire dash has to come out and would take 6-8 hours to replace it. Put k seal in it and been driving it for 3 years now with no leaks.

I had a really severe coolant leak on my 2005 Taurus with the Vulcan engine I was adding like 6 liters of coolant a day. I guess it was the timing cover gasket. I put some k seal in and it stopped the leak in like 10 minutes. I’m very impressed

The reviews were right, this still worked amazing for me.

Lo puse en mi crown Vic interceptor 2011 , tenía una fuga de anticongelante ,lo puse y en dos días ,dejo de fugarse, 😮😮😮 sorprendete resultados

READ THE INSTRUCTIONS!! I didn’t shake the product up before using dumped about half of it in my coolant until it started getting thick before I realized I never shook it up. I added some antifreeze to the bottle and shook it up. I pour the rest in there and let the car run for 35 mins. No more leaks.

Saved me $1500 used it last night car been sitting since December of 22 drove to work today no issues this product official and it took 3 mins 😂😂😂😂

I have a small leak from my water pump...I hope this works cause it only leaks maybe a teaspoon of coolant every 24hrs..don't wanna have to take it all apart and apply sealant.

I had a blown head gasket k seal stopped the leak into my oil and vehicle is not blowing out white smoke out of the exhaust yayyyyy

Cool I'm gonna try it hopefully it gets me to and from the practice field for gameday

K Seal works stopped my heater core leak so far….Bars on the other hand did not….

Used this on my 18 explorer that developed the dreaded water pump leak that is incredibly expensive to repair just got to work that’s about an hour drive from home and no leak!

Got a 2017 ram with a small leak, will try this, thanks.

My car was using coolant on long trips, and there was bubbles on the radiator, I didn’t have the money to change the head gasket rn soo I just found out about these sealer’s and bought the K seal, drained and clean the whole system put new coolant on it and the k seal, let it idle for 30 minutes, then let it cool for 3 hours, again idle for 30 minutes and cool for the rest of the night, about 10 hours, there’s no bubbles, doesn’t smell like coolant getting burned and doesn’t smell like gasoline on the reservoir.

Had a major leak from a hose..poured this stuff in and it stopped.

used it this morning worked well, a great product

Used this on my 30 year old car seems to have worked couldn't see any leakage from.anyhere did think it was head gasket but no water in oil

K seal worked great for my leaking water pump ..It was a bad leak too .. I thought this thing was a hoax at first ..

I have a radiator leak somewhere, my car doesnt run hot at all, the heat and air still works normal, i purchased k seal, if I pour it in could i still drive with it or do i need to wait a day?

hoping to put in heater core with hoses connected to engine...

I wanna try this but a friend of mine that’s an ASE mechanic told me it does more harm than good and he’s not the type of guy who says stuff to get your business. He loves working on cars and has done many things for me and other friends for next to nothing but I don’t know what to do

Used it on my 2011 Crown Vic heater core leak...major leak..stopped within 20 minutes...still works.And the new formulation of Bars Leaks has...fibers added...copy?

Should i leave the car idling for half hour then its ready to drive? I will test it tomorrow.

Big fan of additive had a bizarre leak on my Montero sport a telephone 📞 shape that's part of the cooling system failed mechanics told me $1,000 to fix; I said F that used K seal problem solved paid $10 🎉 stuff really works would recommend using in older cars/trucks👍

I have huge leak near middle radiator....hope this work

Aren't you afraid of blocking anything in the car? (Pipes, tubes, etc). I have a minor water pump leak and I was thinking of using it but I'm afraid.

Grazie mille per il video funziona benissimo grazie

Why didn’t you pour it directly into the radiator?

I did purchased Water Pump for Mercedes S320 car year 1999-2000 K seal works but can i drive home 120 miles or better take side roads. K_seal was used for water pump 6 weeks ago and I did only made 2-3 miles trips No problems. Tomorrow have to drive home on 8/9/23

I believe my condenser has a coolant leak will this work

Gojng to try it on 2005 Toyota Sienna 3.3L 3mz-fe

How’s the truck 6 months later? I used that shit in my Magnum about 3-4 months ago and I am replacing the radiator today (it’s not draining!) I’m worried!

Hi I put in k-seal today. I watch the video last night but when I put it in I forgot to Shake It Up so should I buy another bottle or do you think it will work?

So I did use kseal apparently we found the issue but also found a bunch of kseal in the heater core thermostat and radiator ...now having to replace all new ...I believe it worked but does it clog...please Enlighten me

Can you add this product with water in your car or straight antifreeze? Right now I got water in my car. Because I have a leak can't afford to keep putting antifreezing it.. Once I fix the leak I will put antifreeze back in it..

It worked for me too. How's it going for you 3 weeks later?

I put it in my 2016 Lincoln MKX a month ago and today is the first day I noticed that the leak is back. Can I add another bottle?

Can this product be used multiple times like say after 2yrs a leak springs up again, can the k seal be used again?

👍

They have diffiferent formula pour and go usuly get worse reviews the same like Blue devil usuly better revies with the standard formula

or tryin to make it till you sale it lol😅

This doesn't work for me. I pour 2 times in same car

Oh no. This is not true. K-seal has caused serious damage to my engine today. I can not recommend this product to anyone. Now I have prepare $3000 to buy a new engine for my 2018 Ford escape SE turbo . This is not right.

I’m so lost…do I pour this in my COOLANT tank???