R-134a Super Seal A/C Leak Sealer by Interdyamics

• Seals metal and rubber leaks in A/C components
• Specially formulated chemical that won't clog or damage A/C components
• Easy-to-use trigger and dispenser and hose

I bought this product from a local auto parts store after seeing the reviews online. I tried the Interdynamics EZ Chill but it never really stayed in the system. I could hear a hiss from the instrument panel whenever the A/C was on, especially on acceleration. So I figured there was a leak on that area, which would cost a fortune to have fixed at a repair shop. My van has 168K miles so it's not worth the repair. Why not give this a shot? (I thought to myself). So I bought it along with an extra can of straight R-134a coolant.

I followed instructions to the tee. The passenger side was getting a little cooler, but the driver side was very warm. It took about 15 minutes of driving until they both started to cool down (the rear was cold immediately). After 45 minutes of driving it really got nice and cold and I could hear intermittent hissing, but it eventually went away, which must be good. I'll update after a few weeks to see if the charge remains.

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Before using this product, I tried recharging my system with R-134a that included a leak sealant. But the system was empty three days later. I needed a better sealant or some major work so I tried this product. Using it is easy. It seals so well that you need to follow the instructions exactly and immediately recharge with R-134a after using this product, and keep the system running for 15 minutes on maximum cool, so you don't seal your charging ports.

One of the big reasons for A/C leaks is dried seals due to not turning the A/C on between seasons. I can't say why my system leaked, but three days after I used this product, I had to stop using my system for almost a year. And when I started using it again, it was still at full capacity and has remained there since.

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Before using the sealer our Jeep would hold a charge for a couple of days, been four weeks and it is still blowing cold.

The repair on the heat exchanger in the dash was estimated at $900, so this was a great deal.

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I had a somewhere near the compressor last year when I purchased a used car. I charged the system because I failed to realize the leak and it was empty within a few days. It says it is recommended to only use on leaks that empty after two weeks but this product sealed it completely. Make sure your compressor is running before entering this into the system and charge afterwards to prevent a sealant on the port. So far it has been leak free for about a week, if I don't update this than that means it has worked for as long as this review has been posted. I am happy to finally have air!

UPDATE: Today the compressor failed to initiate. I checked the level of refrigerant and it is too low to start the compressor up. It looks like it failed to seal the leak but sealed it partially as the refrigerant took awhile to leak out. Will purchase a new compressor and install that and hope that fixes the issue.

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I could not tell you whether it is good or bad. I just received a different product which I was obliged to use because of the break through my car's air conditioning system. I am disappointed with the service provided to me. I payed expensive for something that didn't get to me as I expected, I even payed for a shipment almost equal to the price of the product; I am seriously considering if I ever use your services again. Thanks anyways.