What stop leaks have you tried and did they work?

The instructions clearly say most leaks resolve themselves after 250 miles or 3 days, so you should give an update when the 3 days is up. In my case I had a leak that was annoying as hell, and one bottle of this absolutely corrected it for me. So far so good for me.

Used this for a RMS on my 04 grand cherokee with 227k. No issues since 4k miles later.

Give an update after the 200 miles they reccomended & let us know if there is even less oil on the sheet.

Yes, I’ve used Bar’s and Lucas with great results!

A clean engine compartment makes for a happy car!

Worked on my Avalon 255000 miles no leaks 4months run great !

Thanks for the review. The oil look really thin from the start. I think it did a great job for an oil that appeared to had lost its viscosity.

At least it made an improvement. Good review 😎👍

I used Bar. It worked for about a week or so. Next I think I'll try Lucas.

really enjoying your videos hope you make it big

Wow this was a really good video. I know there’s no shortcut for a really good mechanic. But some of us specially in this economy are kind of broke. So it’s good to see a product do what it says

I put it in my transmission about three weeks ago, and so far, so good. The freakin' thing still shifts a little rough between 1st and 2nd gear, but I honestly have to say it drives a bit better now than it did before I added the Bar's Stop Leak. At this point, I've put about 500 miles on it. I'll try to remember to keep this comment updated.

Hi Nate love your videos. Very interesting to see the results of this test. I saw another person comment about AT-205 reseal and would love to see a video about that as well. Keep up the great work man!! 👍

Just think, if you drove it 200 miles or for 3 days like the instructions said, you'd probably have even better results.

Liked the video, but I'm not sure why the "I can't believe . . . ," "do not use" and thumbs down. Seems like the product did what you'd expect, considering this was more than a "minor" leak, as indicated on the label. At least it slowed it down to where you won't have to keep adding as much oil to it--a good stopgap (no pun intended) until you get the thing repaired.

I used Bars radiator stop leak. And it sealed a freeze plug leak I could not get at👏🤙

Thanks for the video and the info

Worked well in the last 2005 kia Rio Cinco on the road

I've used the bars pelletized stop leak on my my wifes 2012 honda civic. But keep in mind try to use new antifreeze. Her car had about 90,000 miles when I changed the antifreeze and then poured in the PELLETIZED bars stop leak. Her car has never leaked radiator fluid since.

Love the dramatic music with the laid back southern accent lol. I'm subscribing

That's surprising for a 1 hour drive cycle with it. How did the leak do after more driving?

This could be residue oil left over from the day before test

"We abowt to fiyannd owt" Love it

THIS STUFF DOES WORK ! !!!!!

I used this on my Captiva that has an oil leak. After 24 hours the leak was significantly reduced and after 48 hours almost no leak anymore.

Thanks for the video

Thanks Nate I just subscribed 🐱 I have a 98 Dodge caravan 👑

Do you have multiple of those small radiators and use new product in new radiator... Or did you run multiple products in one radiator? Have you ever looked inside the radiator to see if it filled it with gunk?

I drank a bottle and it cured my incontinence.

I put a bit of stop leak mixed with coolant in the coolant reservoir/over flow, although I did put most of it in the radiator. Should I be worried that I put some in the reservoir?

I am using bars leak 1040 right now. A pan or main seal leak on 98 2.4l caravan. A small leak is leaking less! 5 days. 130 miles. So far. The bars leak tech said more driving is needed . we will see. Bill

did u change the oil before adding or jus add the stop leak, just asking because thats what ive seen on a few forums,, says to drain then add the stop leak then refill like a normal oil change,, problem is for it to work effectively , has to be done at EVERY OIL CHANGE, or drop the transmission and replace the entire seal,, i guess we will see,, cuz im having the same issue on my Jeep

Bar's makes good stop leak products. Ive used it in the crankcase and the radiator (for the head gasket). Great results

this seems to have worked fine? whats the issue?

Good info

More driving for real result......200 miles it says. 1 hour 2hours not enough miles but it showed big improvement. Thanks.

in my 2000 Corolla that is burning oil, I tried 1 container (11 oz.) and the improvement was dramatic... Burning oil from valve seal/guide brittleness at 300K miles and NOT 3rd ring down in each piston ...

wish you would have also did a 3 day test

Fun fact in my country we have that exact product but it'd rislone branded same bottle same label

Iam Your Newest Subscriber I Just Got A 1999 Chevy Astro Van with 325k Miles It Has A Rear Main Seal Leak The Blue Devil Rear Main Sealer Didn't Work

I've watched a few of these stop leak videos and I don't understand why folks aren't using high mileage oil. Its designed to leak less?

Do you add another bottle after each oil change?

3.years later first time seeing November 23 2023

I’m just looking for something to stop my wife’s grand Cherokee from leaking a few drops on the garage floor until we get her a new one next month. I’m pretty sure it’s the rear main seal but I’m done working on this car I need something easy

Hi it may take more time to stop the leaks. And you were not sure where your leak was located. Any followup news? Thank you. Bill.

I put some stop leak in my car i am from Knoxville TN i use today so i check it and see

Witch is the best AT 205. Bars. Or Lucas stop leak

I'm very confused by the description of the video. In the description you say not to use it, but in the video it only looks like an improvement...?

Nate, have you tested the new 0w-16 oils for GDI yet? Combined with a bottle of restore. By far the quietest my engine has ever been.

Why does the thumbnail say do not use

I'm confused AF... The description says "DO NOT USE" "I Cant believe what it did to my engine" and yet it did stop a lot of the leak and seemed to work near perfectly?

I guess my question is did you powerwash the underside of the car before you used the stop leak? If you didn't the oil on the paper could be from before.

So it goes where the oil is put in right?

I used copper Barr’s on radiator leak 3 years ago not even a drop leakef

Would these be safe to used on rotary engine

Just my opinion: if people can't tell an improvement without the "side by side" comparison, they shouldn't attempt to fix ANYTHING. ;) Thanks for the review.

That was a big improvement and you didn't even drive the recommended 250 miles yet at the time, when they say the stuff really starts working. I just added this stuff to my vehicle, my front main seal leaks pretty good when driving so if it helps at all I'm happy because to fix it I will have to pull the whole engine and I'm not ready to do that yet! Your description says do not use and mad it sound like it caused a bigger issue, but that looked like a pretty big improvement to me fast.

And what was it like after 200 miles or three days?

2 part mix of bars stop leak did not work on my rear main seal. It actually made it worse. Not trying that stunt again

Can it work on rattling chain tensioner

So a second additive Looks like it will work

I would like to know who is lying down there all night to stop the paper from flying away? Good info Nate thanks.

I just got an oil change but can I still put that sealer in ? Or would that overflow it and mess up my engine

did you overfill the crank case? it doesn't say in the instructions... but it is common sense... you have to make sure your oil level isn't too high before you put that in!!!!

You didn't even follow the instructions and the title made the product sound like it ruined the engine

Try blue devil oil stop leak

is not mileage to count but HOW LONG additive covers all rubber seals . you need at least a week to see some results if seals didn’t go behind additive capabilities to softening and expand rubber

Can I use this even if I have oil in my car

I need to know if ANYTHING will stop a valve cover leak with oil going into plug wells 4 and 5 on my Duratec DOHC V-6 engine.

Good good stuff for headgaskets

You have to know why it's leaks before doing anything. If the pcv valve is bad the engine oil will leaks..there's nothing to fix it unless you replace new pcv valve

a ride on the highway for about 1 hour... it says you have to drive at least 150 to 200 miles for it to work.

Bars leak is for small leaks not for half of quater leaks

What are the ingredients inside the liquid?

how come the oil had not soaked into the paper

I had a small radiator leak and used the radiator product. It ruined my radiator and resulted in me having to replace the radiator all together. It was a terrible decision to trust the Stop Leak.

Should change the oil, then add the bars......... clean oil...

_0:43__ A Wiiiite sheet lol_

Very goog

I'm confused "don't use it" but it works?

They say blue devil is a more concentrated seal. Extreme sealer

So in the thumbnail and description you say do not use, yet your video seems to say otherwise....

And what did it do to your engine that you could not believe ?

com on young boy.. if its valve cover gasket.. you shouldnt doing that.. go grab the damn valve cover gasket and install it.. thats it..

The description says do not use but the video shows that it works what did I miss?

AVOID BARS PRODUCTS. After having a "check engine" light on for months, I used this in my 2004 Honda Accord along with Bars radiator stop leak. Within DAYS, the engine valves stuck, cracked the pistons (interference engine) and it all seized up. I went from a "check engine light" on to a NO engine situation. Car was totaled. I filed a claim with Bars, but they didn't honor their warranty.

Is it bad for the engine over time?

That couldve been the oil that was still on. The metal that havent leaked off completely but idk

Are you related to Chrisfix?

I have an oil leak, but my question is should I put the bars leaking now, or do an oil change first and then put it in afterwards, my oil looks pretty decent and not quite ready for an oil change yet?

Can I spray this to a rubber bushings?

Bars leak 1040 failed to stop my pan gasket leak on my 98 caravan 2.4. After 250 miles and 2 weeks. I can get a refund if I mail receipt and bar code and wait up to two months. Bill

the best solution is after 3 days and few hundred miles, clean at the bottom .. the u can see the actual result.

What if you can't drive the vehicle for an hour ?

Whys ur video say do not use when it worked??😊

Try AT-205 reseal

2002 2.2l rear main seal pissing oil. Fresh oil change with 1 bottle and100miles later she’s as dry as can be. Fingers crossed she lasts another 10 years

My opinion on stop leaks is that you are way better off correctly fixing the leak if at all possible. I don't like the idea of stop leaks because they affect all the seals in the system and because they will reduce the oil's lubricity and change its viscosity, even if only slightly. An engine may not care much about this, but it could kill an automatic transmission. Think about it- Someone has a leaking valve cover gasket, so they add a stop leak to fix it. The stop leak also swells the cam seals as well as the crank seals and all the other seals and they wear into that position. When they start to relax over time or if someone changes the oil and doesn't add the stop leak again, you just created an expensive leak you didn't have before. I have never used an oil stop leak before but from what I have seen and heard from people who have used them, any improvements are usually very temporary and sometimes when the leak returns it leaks worse than it did before. If someone has a leaking rear main seal on an old beater that they plan to dump soon maybe give it a try. But if you care about your vehicle or if the fix is simple like a leaking valve cover gasket or something, my advice is to just fix the leak correctly and be done with it. I feel strongly enough about that that when my rear main seal went bad I spent the day pulling the engine out to replace it instead of trying to use a stop leak.

Stop leaks are great for people pushing their older cars a little further but these newer engines requiring a thinner oil like 0w20 would be a bad idea to use it on