My Dash air hasn't been very cold lately so I tried servicing it with 134a freon that I bought at Walmart with gage. The initial pressure reading was below 10 psi at 75* ambient. The gage says I sho...
I know of no way to take a hose off with out loosing some gas. Even with Q connector there is a hiss. I just did a refresher course and this question was on the test.