Works great

.Worked great

Worked well changing the low pressure valve on a mazda 3 2012, I use the murray kit 26784, the high side valve doesnt fit, the slot is not big enough..The 2 valves are the low side, one ok the other one was bad.The valve withthe tool is the high side, not necessary to replace it but I showed the picture just to let the people know.The tool worked nice!

Did what it’s supposed to do. Change shrader valve on car a/c without evacuating refridgerent.

Très bonne qualité de fabrication pour le prix payé.....très satisfait

It works as advertised, just follow the instructions from Utube

I usually have a lot of respect for Mastercool quality and craftsmanship but this tool is just not up to the task for Ford Focus or Taurus vehicles. (I strongly suspect that its going to be useless for any Ford Edge, Flex, Explorer…) The tip of the tool is simply not wide enough to pass the tip of the schraeder valves. Even if it would, the valve wouldnt pass through the main body of the tool. It would probably work on vehicles equipped with thinner schraeder valves. DONT WASTE YOUR PRECIOUS TIME OR MONEY ON THIS ONE!ON THE 2 PICTURES, ITS OBVIOUS THAT THE TIP OF THE TOOL CANT GO FURTHER DOWN THE BODY OF THE SCHRAEDER VALVE (Ford Focus high side port)MASTERCOOL IF YOU ARE READING; please go back to your drawing board and make sure this tool is at the very least compatible with domestic vehcles!

low pressure valve core would not pass through this tool. The high pressure side would go through but unfortunately was not the one needing replacement on my 01 accord

Didn't work for my 2015 Chrysler Town and Country as the valve cores were to big to pass through the tool. The tool itself is of high quality as long as your vehicle uses smaller valves.

This is an ingenious little tool, IF you can get it to work on BOTH high and low side AC ports on your particular car. Then it's WELL worth the cost. Mine's a 2001 Chevrolet Suburban 1500 LT, and my problem was that GM's OE high-side valve for this (and many other GM vehicles) does not have a "Schrader" type valve core, but rather, a rubber ball/stopper type core. Evacuation of all refrigerant, and replacement of the entire high-side valve, is required to repair a leaky/damaged one.But here's the good news. Dorman makes a replacement that DOES use a "Schrader" type core (Dorman 800-955) instead of the "rubber ball" core used in GM's OE for this vehicle, and I've now confirmed that this tool WILL fit/work on BOTH ports once you've replaced the OE valve with the Dorman one.Thus, even if use of a Schrader type core on the high side valve results in more frequent failures of the core (as some users/reviewers have suggested), you'll now have this handy-dandy tool for easy replacement of either/both cores, without removal of your refrigerant, any time you detect a leak at either of the ports.I also confirmed that the removal tool at the end of the plunger on this device DOES fit on and turn both valve cores (they're both the same size, notwithstanding the larger diameter of the high-side valve fitting), and both cores will travel all the way through the central tube of this gizmo, if you're using it as directed. One note here ... avoid overtightening the quick-connect coupler to the central part of the tool. It will properly seal/prevent escape of your refrigerant with firm finger-tightening only, and if you use a wrench or otherwise overtighten it, the rubber washer/seal it mates with inside the central part of the tool may bulge inward, and narrow the passage your extracted valve core has to travel through on its way toward the removal/replacement end of the tool.Last two points ... the same thing that makes this tool great (i.e., that you can use it to replace a leaky valve core without having to evacuate all the refrigerant from your AC system) is also what limits its functionality. E.g., the thing that holds the valve core in place at the end of the plunger as you pull it out through the tool's central tube is the pressurized refrigerant pushing it upward from below. If there's no pressure in the system, you might as well use an ordinary (and much cheaper) tool to remove/replace your core(s).Also, a little practice and finesse will be required to properly seat the plunger tip on your valve core, because you're doing this part "blind," without being able to see the end of the tool actually going into the valve. I tried it out a few times on my replacement valve before installing it, just to get used to the "feel" of the tool finding its way down the valve opening and seating itself on the core. All that's required is a gentle touch here, and a little practice/patience, and you'll end up having no problem knowing when the removal tool is properly seated on your valve core.

Very easy to use and recommended for the AC repair pro

Despite I bought it for for a Ford Explorer which has an Air Conditioner low pressure service port 134a , the tool won't fit the Valve since it is different size of the Tool remover ( Truck one is bigger). The tool remover size is like bicycle one.

Had to send it back as it only fits old fashioned or American fittings, Not euro spec systems.