[XfireZ51]

Originally Posted by 1991 Corvette ZR-1

Old condenser and low pressure line attached to it check out, Im surprised. I isolated the hard line which would not hold vacuum, so I pressurized it and found the high side schrader valve is leaking. Ordered valve stem removal and installation tool along with valve stems.


https://www.amazon.com/gp/aw/d/B07HC...?ie=UTF8&psc=1


https://www.amazon.com/gp/aw/d/B0023...?ie=UTF8&psc=1

Was not exactly sure of the type of valve stem so I guess we will see.

This is exactly what Marc Haibeck has said is the primary issue in AC leaks. The high side Schrader valve. He suggests putting a metal cap over it rather than plastic.