Cliplight Manufacturing 946KIT Super Seal Pro A/C Leak Repair Kit

• Saves time, money and protects the environment from harmful refrigerant emissions
• Ideal for preventative maintenance
• Professional strength formula installs in minutes
• Comes with manufacturer limited warranty

I bought an old Mercedes 124 to restore with my sons. i found that the car had an evaporator leak. These cars seem to be built around the evaporator and to replace it involves disassembly of the front of the car. The lowest quote I had was $4,000.00 to replace the evaporator and recharge the system. I figured i would try this stuff first. I followed the directions and almost 1 year later the AC still blows ice cold!

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Cliplight Manufacturing 946KIT Super Seal Pro A/C Leak Repair KitI've had problems for a couple of years with my auto air conditioner (a 2000 Chrysler product) and believed the main problem to be with a leak in the dryer, which is a real pain in the a.. to change on my particular car. After using a couple of cheaper brands of sealants and recharging the refrigerant 2 or 3 times in the past to no avail, I decided to buy and try the Super Seal. I followed the detailed directions to the letter; and the air conditioner worked ok for about 1 1/2 weeks but then went kaput again. The previous attempts at sealing the system may have interfered with the efficacy of this product. My neighbor, who is a certified HVAC technician, told me has had good luck with this company's products in other refrigeration applications. In my opinion, it's worth spending the money on a can of this stuff and trying it before spending "big money" to get your auto air repaired.

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Like many owners of older vehicles that have converted to R-134 refrigerant, I found that the smaller molecule is harder to contain in an aging system. My freon recharges were lasting only 6-7 weeks, and the solution proposed by repair experts would have cost way more than my '92 Sable is worth. My seasoned Pep Boys shop manager was dubious about the chances of success for this product, having already seen the failed results of many different sealants. At the same time, he was glad to take my money to vacuum-pump my system for well over an hour in order to evacuate all the moisture -this is critically important.

Now I did not follow Cliplight's advice and replace the accumulator because my seasoned Pep Boys shop manager opined that boiling out all the moisture should be enough. (Not to mention that replacing the accumulator would have been an additional $175.) After recharging with R-134 and the Super Seal Pro, I added a step that wasn't included in the instructions: I ran the A/C for five minutes every hour for the next twelve hours. That was in July 2008, and as of this writing in May 2009 my A/C still works fine. And I'm not the most diligent about running the A/C regularly through the winter months to prevent freon leakage.

I hope anyone else who uses this great product has as much success.

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My 1994 Explorer had completely non-functional air conditioning. I replaced a rusted out line and blocked orifice tube, and the accumulator/drier. However, when I charged the system, it leaked down within 24 hours. I could hear a hissing, but was unable to find the leak. Three cans of ultraviolet dye later, I was still completely unable to figure out just where the leak was. Not knowing what part to replace, I had almost given up on fixing the A/C in my truck, and figured I'd give this Cliplight sealant a try after spending so much on parts and cans of refrigerant, what did I have to lose? Even though my system was leaking down faster than what the Cliplight documentation said it could fix, I thought I'd give it a try anyway.

When it arrived, I was unimpressed. How could this tiny little can of sealant possibly fix my system? I evacuated recharged my system once more and followed the very precise and detailed instructions that came with the Cliplight kit.

An hour later, my leak was gone, and the system was holding pressure. It has been three weeks since I used the Cliplight sealant, and my truck's A/C has held its pressure perfectly, and the A/C is blowing ice cold. I never would have expected this product to work, but it does amazingly well! I can't recommend it highly enough.

You need to have some clue as to what you are doing this is not a typical "DIY" product. You should have proper manifold gauges and vacuum pump equipment. But if your car's A/C is leaking and failing within a few days of being recharged, this is the product for you.

June 2008 update: Over a year later, my A/C is still working perfectly! This product is amazing!

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I bought this because in over 2 years my 1997 Miata would never hold a charge for more than 2 days whether I used it or not. I had tried the dye kits with black light to find the source of the leak in a pitch black garage and couldn't find the source the leak. I also tried other seal kits without any luck.

After reading customer reviews about the product I decided to give it a try and 3 months ago I followed the instructions and bought a can of R134A to recharge my Miata. Three months later with constant use of my air condition it is still holding it's charge and blowing cold air.

It is important to note that if you're thinking about buying this product that you will need an air conditioning vacuum. I picked up a cheap vacuum kit from Harbor freights for $15 (retail) and hooked it up to my air compressor and it worked well. You will also need to pick up an air condition gauage set ($40-50 at Harbor Freights). The vacuum will suck out the moisture from the air conditioning system and allow this product to properly seal up. Should you choose not to vacuum the system you're just wasting your money.

With that being said, I would recommend if you're a DIY type of person and have the appropriate tools.