2004 Mazda 3 R134a system wouldn't cool. Gauges show low side going into vacuum. Obvious txv plugged. Suspected grenaded compressor so examined a little oil from the system and it's dark. No particles but that doesn't give me any hope. Will replace all major components: comp, cond, dryer, valve, and...

Thanks for your reply. Sounds like I have a recharge in my near future. (c;

DetroitAC wrote:Warmer driver vents = undercharged

How does undercharge cause warmer air in one vent? Just curious...

Thanks again.

Thanks for your reply. I guess I'll go for the recover/recharge.

Also, the driver's side vent is 8 degrees warmer than the dash center vents. Is this a clue to the cause? Or possibly another problem?

Thanks.

I'm a DIY'er on my car (2004 Mazda 3) for most things. I've got a set of gauges (converted from R-12: thoroughly flushed; R-134 quick connects added) and can taps, etc. I don't own a pump or other accessories so can't do a replacement, only add as needed, trace leaks, etc. The AC will put out only a...