[Weird noises when accelerating with A/C on.]

Thanks Tax for the ideas. Ill have to start poking around.

 

Texan, I had it recharged recently. Maybe it was overcharged?

[Weird noises when accelerating with A/C on.]

Whoops, forgot to mention, the car is a 2008 Impreza 2.5i

[Weird noises when accelerating with A/C on.]

Hello all! First post here. I have a weird issue relating to my A/C. My car runs great with the A/C off, no weird sounds or anything of note.

 

With the A/C on however, while accelerating around 3000+RPM, the car has what i can only describe as a mechanical "moaning". It climbs with rpm up to a point and upon clutching, it will drop off with the drop in RPM.

 

At first it was more of a rattling similar to what ive heard in some other cars with no A/C problems but has now morphed into this. The weirdest thing is that the A/C still works perfectly. This is baffling me and wondered if anyone has any ideas. My first instinct is that its the compressor/clutch or one of the belt idlers. What do you guys think? Ill try and get a sound clip as soon as i can.

 

Thanks in advabce!