Recharging AC Through HIGH Pressure Port?

Old 06-05-2019, 03:47 PM
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Recharging AC Through HIGH Pressure Port?

I was attempting to recharge my 2002 Acura RL with R134a after changing the compressor using AC gauges and a can of refrigerant hooked up through the yellow hose. I noticed that next to no refrigerant came out of the can (I had it on a scale) but the pressure went up to 60 on the Low Port. I didn't open the high port to charge. The compressor didn't kick on and no more refrigerant came out of my can.

I then rechecked the Service Instructions I have an it says this:

2. Open the high-pressure valve to charge the system
to the specified capacity, then close the supply
valve, and remove the charging system couplers.
Does this mean I should have tried adding refrigerant to the HIGH pressure port? Isn't that normally a no-no?
Any help is appreciated
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