It has a valve stem where the valve core is threaded.
High side service port replacement valve.
This mechanism makes schrader valves common in a c systems because the valve remains closed until it s opened by a tool.
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An a c schrader valve is a common valve found in your a c system.
Go to your high side valve and take the plastic cap off.
Inside the valve core there is a pin and a spring and together they work to allow air in.
The listing picture is upside down.
This a c service valve is a gm recommended replacement for your vehicle s original components and has been manufactured to fit your gm vehicle providing the same performance durability and service life you expect from general motors.
Look down into the valve.
Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure.
I m not a big fan of the rubber check ball type fitting on the high side port they seem to leak quicker than the regular schrader valve like a tire valve stem style.
High side inline service port t singles.
Not to mention with the right tool you can service the standard schrader valve style without the need to discharge the system.
If you see a little rubber diaphragm instead this is your guy.
Replacement fasteners must be the correct part number for that application.
If there is a stem sticking up in the middle like a tire fill valve you don t use this part.
Notice use the correct fastener in the correct location.
The threaded part goes into the aluminum tube on the high side.
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