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Red Angel A/C Stop Leak & Conditioner

3.6 out of 5 stars 149 customer reviews
| 9 answered questions

Price: $34.06 & FREE Shipping on orders over $49. Details
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  • Repairs leak points in condensers, evaporators, connection hoses, gaskets, and O-rings
  • Contains no solid or particulate matter that will clog the A/C system or harm the recovery unit 
  • Contains 2.5 ounces of Freon
7 new from $29.95
Special Shipping Information: This product may not be available for 1 or 2 day shipping due to federal regulations that require it to ship via ground ship methods only. This product can only be shipped within the 48 contiguous states.

$34.06 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Red Angel A/C Stop Leak & Conditioner
  • +
  • Johnsen's (6312) R-134a A/C Refrigerant - 12 oz.
Total price: $43.38
Buy the selected items together


Product Information

Technical Details

Brand BlueDevil Products
Model 00222
Item Weight 4.5 ounces
Product Dimensions 3.7 x 2.2 x 0.1 inches
Item model number 00222
Manufacturer Part Number 00222
Folding No

Additional Information

ASIN B002BG4WX2
Customer Reviews
3.6 out of 5 stars 149 customer reviews

3.6 out of 5 stars
Best Sellers Rank #3,720 in Automotive (See top 100)
#2 in Automotive > Oils & Fluids > Oils > Air Conditioning Oils
Shipping Weight 7.2 ounces (View shipping rates and policies)
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available May 28, 2009

Warranty & Support

Warranty, Parts:Parts
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Product Description

Red Angel A/C Stop Leak and Conditioner/Aerosol 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.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
My 1995 Jeep Grand Cherokee had developed an A/C coolant leak. Research suggested that there was a well-documented problem with Grand Cherokees of this era (and other Chrysler products) developing a leak in the evaporator under the dash, a rather expensive repair that I had already done once over the life of the vehicle. A couple of online professional AC repair articles had mentioned some stop leak products that some professional installers had had positive experiences with specific to the Grand Cherokee. One of the products listed was the Red Angel stop leak.

I ordered the Red Angel (Amazon seemed to be the only vendor that had the product with a built-in applicator as opposed to buying an AC oil injector). The recharge process I followed was to run a vacuum pump (obtained on a tool loan from Autozone) on the system for an hour, then I hit it right away with the Red Angel, and then immediately refilled the system with R134A. The system blows cold air and has done so for a longer period than the last two top-ups not using a stop leak (it has been a month and a half since installation, the previous two top-ups lasted about 3 weeks). I specifically avoided the stop leak/134A combo cans sold at retailers, because most of them had warnings about how if the refill wasn't accomplished in a specific number of minutes, the stop leak compound could seal up the low pressure connection. On the other hand, the Red Angel product says that it stays fluid in the A/C system and will separate out with the coolant oil if the system is ever evacuated.

Keeping my fingers crossed that this is a relatively long-term fix for the problem. Time will tell.
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Verified Purchase
Read all directions before use! Make sure you shake can as directions say.
Simply place on the A/C Low side Start your auto up with the A/C on "Max-Recirculate" Blower on highest setting.
Then simply push button/tab to use.

After installing the "Red Angel A/C Stop Leak" leave the car/truck running for another 20 to 30 minutes. Or just go for a drive. Reason is to make sure all sealant & Freon & oil is circulating properly.

If your A/c is still not as cold for you. This can has about 2 ounces of Freon in it. So make sure that your system is not under or over charged. Either way is bad for your A/C.

If you buy Red Angel's other version of "A/C Stop Leak" it has 4 ounces of oil. If you do not remove some oil in your A/C system this can hurt it & harm your compressor or other parts in system, The Red Angel with the Freon work very easy & your system is already being charged for you.

Now for what I used it for & why.

Sealed my A/C leak up instantly. I have a 1999 Jeep Grand Cherokee which are "NOTORIOUS" for bad evaporators & leaking. If you were to fix the evaporator it's an 8 hour job. plus you would need to replace the receiver/dryer & orifice tube. A bill would be at $800 with parts & labor & an A/C system recharge. Save your money & invest $30 for "Blue Devil Stop Leak".

Also make sure that you write on your hood or radiator plate that your have a stop leak in your A/C. If not, you can be held responsible for the garages A/C machine! This cost at least $3000. Any foreign material can harm it.

Blue Devil says that this is machine safe. But to make sure just tell your mechanic! It will be the safest for you not buying a $3000 to $7000 shop item.
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Verified Purchase
I have a 2000 Honda Civic that had a serious refrigeration leak. The refrigerant would leak out in about two days. Last year I tried two other leak sealants and they did nothing.
When I got the truly tiny can of sealant my first reaction was that I had wasted my money. How could that tiny can seal a major league leak. This was a last effort before bringing it to a shop where I expected to have to pay between $500 and $1500 depending on what they found.
I emptied the can into the refrigeration system and let it idle for about 15 minutes before adding another can of refrigerant which the system needed. It has now been about three weeks and the system still works. I haven't rechecked the pressures, but I feel confident that the leak has been sealed.
It turns out that it was money well spent.
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Okay, truth be told I used this and another similar additive and I don't know which worked, or if it was the combination of both that helped, but I still have to highly recommend this. I was quoted over a thousand dollars from a local garage and over twice that from a dealer because they said I had a cracked evaporator. It wouldn't hold a charge 24 hours. I put this stuff in 5 months ago and I recently had my car in the shop for another issue and the garage could find no sign of a leak anymore. Still blowing cold - so happy! I will say the can really stinks, though - the black cap pops off and red stuff kept pouring out the sides. Took me a lot more trouble to get it into the AC, but it was worth it.

UPDATE 6/8/14 - AC is still working brilliantly, and based upon that and the clean bill of health the garage gave me (mentioned above), I am a HUGE fan of this product. Giving it a 5th star even with the cap issue I mentioned.
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