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Your cart is empty.Red Angel A/C Refrigerant Stop Leak repairs leak points in automotive A/C systems. Red Angel “One Shot” is intended for the retail customer seeking a quick and easy installation. Complete with an attached coupler, Red Angel “One Shot” is a complete delivery system. Red Angel’s aerosol product is for R-134a systems only. Each unit also includes a refrigerant charge
Bassel Darwish
Reviewed in the United Arab Emirates on March 11, 2024
This is probably the best AC stop leak on the market, but the instructions are not sufficient. The first can I used didn't stop the leak, and the second also didn't, but the compound was still in the system, so realizing it is not having enough contact time with leaking area, I just filled the system again with refrigerant and let the car idle for 2-3 hours with the AC at max, and this time it did its job. It needed more time in contact with the leaking area, and having the AC on for several hours meant the compressor kept it circulating long enough to do it is job.
Lee Mazzarella
Reviewed in the United States on August 27, 2023
Worst product ever. Before you think I'm a noob or don't have a clue, I've been servicing cars professionally for 35 years. I had just replaced an A/C from the compressor to the condenser and everything it between. After putting the system on vacuum for 2 hours I usually let it sit for about a half hour or so to check for leaks. After everything checks out I let the car idle until normal operating temperature and start to fill the system to manufacture specs leaving room for a seal sealer as preventative maintenance. I do caot all the O rings with oil but enjoy a little peace of mind having something circulating through the system. Following the directions on the can, absolutely nothing worked. Would not seal to the port. (All R-135A low pressure ports are the same) depressing the trigger on top of the can didn't work either. Have to push on an angel from the corner and then it's hit or miss until the nozzle pops off. Center of the button is a no go. As for the quality of the contents, I'll never know because it can't be used. The small bearings that are supposed to lock onto the port are too depressed to lock and don't pop out to hold no matter what position the spring loaded collar is in. A longer tube would also be appreciated so it can be shaken while filling as the directions state. Very frustrating. I will never purchase again and will steer others away from this product.
Winter B
Reviewed in Canada on August 2, 2023
Shipping was super late, even Amazon felt it was late. Put the whole can in, drive for 15min. That’s it. Did not work. Wasted 90dollars. I will not recommend this product. Go get the 25 dollar Canadian tire leak pro. Those last longer
Customer
Reviewed in Saudi Arabia on August 12, 2023
Worth nothing more than a bottle of water in pressure container. So do not waist your money on such product.
Abdul A.
Reviewed in Canada on June 6, 2023
I used this product in my 2014 Subaru Outback and it worked. Before to use it, every time that I filled the system with a gas can, it took around 5 days to go empty the system. After I filled the system with this product, the AA blowed cold air during 5 weeks until I sold my car.
noblefable
Reviewed in the United States on July 16, 2022
I rarely write reviews, but this is worth writing about. For starters, I am not an auto mechanic. However, based on my education and job I know more about A/C than the average consumer. Keep a few things in mind… almost all of the vehicle A/C refrigerant piping and coils are out of sight. So seeing a leak while looking under the hood is not likely going to happen. Also, you don’t know if you have 1 leak or 25 leaks (or zero leaks because the real problem is something else) or how large each leak is, so using this product (which costs less than filling your tank with gas) requires taking a leap of faith. I used it on a 2013 model year car that I would not be willing to put major $ into for fixing the A/C. I have an A/C refrigerant gauge set, and I had zero pressure on low and high side. I added a good part of a 12 oz can of R134a and once enough was in the system the compressor engaged. If the compressor won’t engage when adding a decent amount of R134a, then there is no point using this leak fixer product because that is not the main problem, and leaks may not be a problem at all. My car A/C system only held the R134a for about 1 day, before back to zero pressure. That rate of leakage is not encouraging, but does not mean all hope is lost.Think of the leaks you may have like a sheetrock wall with holes in it that you want to fix by spreading some “spackle”. If you have any hole in the wall that is large, like say 2” - 3” wide, you cannot reasonably expect some spread on paste/goo with the texture of peanut butter to magically “make the leap” across 2” and cure then hold to firmly seal the hole. However, you could have 99 or 999 much smaller holes in the wall that the spackle could easily cover. So if your A/C system has any 1 large hole, this product cannot work because that would require magic, but on 1 or a whole lot of tiny holes / leaks, this product has a decent chance of working. For me, it was worth paying for the can and giving it a try. I had tried some other brand that did nothing, probably because it only handled “rubbery” kind of material. This product also handles the other components that are not “rubbery”. I did this leak fix about 2-3 months ago and the A/C is still working great.
Chris Wagner
Reviewed in the United States on July 4, 2014
Well, I put the Red Angel into my 2002 Oldsmobile Aurora 4.0 v8 that had leak that fully drained in 24 hours, I tried every stop leak on the market but it would always leak out by the next day,So I saw this advertised on an auto parts website but it was almost $50 so I tried looking for it on here at Amazon, I got the stuff on July 1, 2014 I read the directions on the can and it was basically start your car, turn the A/C on high and shoot the stuff in and fill it up with 134A coolant..it took all of 10 minutes..the only drawback was the can, the top was off the can when it arrived and I just put it back on and very little escaped from the top, now here it is July 4, 2014 and it is still blowing ice cold air, now it is too soon to tell, but I went over the 24 hour mark, here it is 96 hours later and it still works 100%.... I will keep you updated as the summer goes on, but I have a good feeling with the Red AngelUPDATE!!!!!!!! Sep 27th 2014Well it is blowing warm air again. Here in PA it was kind of cold for the last 2 weeks so I did not use the AC but the other day it was hot, so I turned on the AC but no go, it was back to blowing warm air again, but honestly I am not disappointed at all because Last year I would fill it up with the R134A and by the next morning it was gone, so I used the red angel on July 1st and Sep 25th it was warm again(ok it was hot air lol) but I figure this....I spend $20/day to have AC(Nope) or I spend $30 for the Red Angel plus say $20 for 3 cans of R134A and it will get me through next summer?yes the Red Angel did not stop the leak, but it slowed it down so I could at least drive the summer with ACSo to recap :The Red Angel sort of workedIt got me through a summer using ACI spent $30 for the Red Angel and $24 for r134a (3 cans)(2 cans with the red angel 1 can to top it off on 8/17) so $54 to get me through the summer or a lot more than that NOT using Red Angel now it was Ice cold from 7/1/14 until 8/17/14 when it was blowing cold but not as cold as it was, I used 3/4th of 1 can of r134a and it was back to blowing Ice cold and lasted until 9/25/14...all in all I am pleased with the product..I got over 2 1/2 months with the Red Angel VS 1 day with the other stop leak products on the market.Next Summer I am going to buy the Red Angel and 3 cans of R134a so I can hopefully get through another summer....I hope this review helps someone decide whether or not to try this product because even though it stopped working it was cheaper to try this rather than fix my system for $800 on a 13 year old car with 160k miles on it...I will most definitely buy this product again
rob
Reviewed in the United Kingdom on July 13, 2014
After 3 years of air con not working after being recharged twice, I thought that's it. Saw this product and decided to give it a go. After 4 weeks now and my ac is still working. Dunno how it's fixed it but so far so good. Bit expensive for such a little can but compared to having an ac specialist do the repair it's a bargain.
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