Okay, I'm sitting in my mkiii right now listening to music and dripping sweat as I type this on my phone. Alright guys, so I bought the car a couple years back and the A/C never worked from the start. It had sat for a who knows how long but it easily could have been five years. Well anyways, I know at one point the car was retrofitted to r-134a as verified by the sticker under the hood. So today for the heck of it I threw in a 12 ounce can of the stuff and vuala, compressor kicked on and the air was a nice cool breeze. Well,the window is still empty on the check and the air isn't ice cold, but I'm plenty happy. My only question is, will running it like this toast the pump? Im pretty sure its underfilled but I'm broke and don't have 20 for another can if I don't need it. The compressor is staying on and not kicking off. Air is cold enough, what do you think? Thanks!