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ATP Automotive AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle
Purchase options and add-ons
Brand | ATP Automotive |
Style | Compact |
Item Weight | 50 Grams |
Item Dimensions LxWxH | 7 x 4.5 x 4 inches |
Compatible Material | Rubber |
About this item
- Professional strength fast acting resealer, stops leaks fast
- Rejuivinates all rubber seals & gaskets in engines, transmissions, power steering, differentials and hydraulic systems
- Compatible with conventional and synthetic oils, ATF, gear oil, power steering fluids and hydraulic oil
- Does not contain petroleum distillates, will not over-swell or breakdown seals
- 8oz bottle will treat a 6 quart capacity, adjust accordingly
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Product details
- Is Discontinued By Manufacturer : No
- Product Dimensions : 7 x 4.5 x 4 inches; 1.76 ounces
- Item model number : AT-205
- Date First Available : July 7, 2004
- Manufacturer : ATP
- ASIN : B000NVW1LM
- Customer Reviews:
Product Description
AT-205 Re-Seal is a fast, effective and safe stop-leak for all rubber seals and gaskets. The exclusive formulation restores worn or dried out seals and is not harmful to internal bearings and components.
From the manufacturer
AT-205 Re-Seal - How it works
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AT-205 added to leaking systemAT-205 Re-Seal is added to any leaking engine, transmission, power steering system, differential or hydraulic system (except for brakes) to condition rubber seals/gaskets and stop leaks. Simply pour it in as you would be filling it with oil or fluid. |
The formulation blends with the oilThe additive blends with oil in the system and is circulated throughout during operation, treating and conditioning rubber seals and gaskets. |
Conditions and rejuvenates sealsAT-205 is a plasticizer, a type of chemical used in rubber manufacturing to set hardness and flexibility. As a seal or gasket gets older it can dry out, harden and wear - treating it with AT-205 will rejuvenate it, restoring it's flexibility and sealing properties. |
Most leaks resealed within 5 hoursAs long as the seal or gasket is not severely damaged or torn, the leak is resealed after a total of 5 hours of driving - saving time and money from costly repairs. |
What's in the box
Videos
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Customer Review: Amazing product!! Highly recommend
Edwin R.
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Customer Review: Differential / axel seal
Juan Soriano
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the performance and quality of the sealant. For example, they mention it works great, it softens rubber very effectively, and it helps prevent rubber from crumbling. That said, opinions are mixed on seal quality, leakage, and oil consumption.
AI-generated from the text of customer reviews
Customers like the performance of the sealant. They say it works great, has no issues, and is amazing. Some say that the product works great for dried out and cracked seals or gaskets, and that it's worth it.
"...far the longest review I have ever done, but I feel that this product is worth it. Try it and it will WORK for you too." Read more
"...Changed the oil then added this, quit leaking within hours. Great stuff!" Read more
"...A few weeks later I started getting a misfire on cylinder 1, I suspect it's a bad lifter - making a nasty metal on metal ticking noise...." Read more
"...This works great for dried out and cracked seals or gaskets, but if it’s completely torn it will rip it open more. 2, be careful buying off amazon...." Read more
Customers like the quality of the sealant. They say it revitalizes rubber, softens it very effectively, and helps prevent it from crumbling. They also say the seals retain their elasticity and tensile strength. Customers also say it helps keep the hoses and boots from cracking.
"...Sprays all rubber boots, bushings and seals to renew them. Could see a visible renewing, they now look hydrated and good as new...." Read more
"...He said this is great for spaying on rubber components of vehicles to extend the life of them. Recommend using this product!" Read more
"...Came back out an hour later. Bone dry. Not one spot. I don’t know what it is but it works!!!!" Read more
"...The whole mess is covered in years of crud. Jeeps have crappy power steering pumps compared to gm...." Read more
Customers are mixed about the leakage. Some mention that it completely stopped a leak from the steering rack area, while others say that it looks to still be leaking. Some customers also mention that the sealant fixes a leaking transmission cooler line.
"...Using AT-205 has completely stopped the leak! Very satisfied with this product" Read more
"...It was leaking hydraulic fluid from one of the directional cylinders, did not have damage so I thought I would try the AT-205. Guess what?..." Read more
"...Changed the oil then added this, quit leaking within hours. Great stuff!" Read more
"...Still, the leak has not been completely gone, so I try the second bottle recently and will see if it really does the job but it looks promising thus..." Read more
Customers are mixed about the seal quality. Some mention it helps to restore seals and rehydrates them, thereby reducing oil leaks. However, others say that the seal was still hard and brittle, and that it only works for rubber seal leaks and very tiny leaks, since the rubber seals don't appear to swell.
"...This stuff literally insures your vehicle head gasket! I have full confidence in this product!" Read more
"...change and most of a bottle of At-205 for about 5 miles, the motor started knocking and the oil light came on. Had to have it towed back...." Read more
"Helps to restore seals therby reducing oil leaks." Read more
"...seems that it would only seal very tiny leaks, since the rubber seals dont appear to swell (within human perception)...." Read more
Customers are mixed about the oil consumption of the sealant. Some mention that there was not ONE drop of oil anywhere, while others say that the oil pan and transmission were covered with oil.
"...It’s been 3 months now and no more oil spots on my driveway. Very happy with this product. Thank you Scotty Kilmer!!!..." Read more
"...’s or constantly top off the fluid was a pain because the fluid needs purged of air after every top off...." Read more
"...Now already ten months passed and the oil level on the dip stick is good. No more leaks.This is really an amazing product...." Read more
"...to work the next day, and back home ( about 40 miles )...no dripping oil anymore. This stuff actually works !!!!..." Read more
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Top reviews from the United States
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Other details:
I did not follow internet wisdom to just "pour it in" to the reservoir. Instead I bought a quart of OEM power steering fluid and calculated the ratio and mixed that small amount into the quart so that I would have premixed fluid on standby. I took a few ounces of power steering fluid out of the reservoir and added some of that premixed fluid in its place. I went about my normal driving and waited for it leak back to the MIN level. Once it did I think it was like a week later. I added some more of the premixed fluid to get back to MAX. I did that several more times. Eventually the leak all but stopped. I still have to add fluid but it is very rare, like so rare I can't remember when I last did it.
Note I shook up the premixed fluid before I added it. In some fluids ATP-205 can separate over time and sink to the bottom. I'm not sure if that's the case with my power steering fluid mixture but I shook it as a precaution.
A few weeks later I started getting a misfire on cylinder 1, I suspect it's a bad lifter - making a nasty metal on metal ticking noise. Now, GM 5.3 v8 trucks from this era are known for having lifter issues around the 100-120k mile mark like my truck is at, so this likely just sped up an issue that would have happened anyway...however I wanted to write the review and forewarn others who might have a similar truck that's at or above 100k miles...be careful. This stuff likely changes the viscosity of the oil and/or re-hydrates bits of seal that could be floating around, causing blockages.
This repair will likely cost 1500-3000 just for new lifters, and that's if I don't want to disable the AFM system entirely which would be more, and also if I don't need a new camshaft which would be yet another thousand. This truck isn't even worth all that much on a trade in anyway but still...really sucks to be forced into buying another vehicle.
You know what the best part is? The rear main still leaks.
Avoid.
Top reviews from other countries
It seems to do a great job of conditioning the rubber components I just spray a little on once or twice a year