My 1994 SC2 AC blows cool air, but not cold. AC clutch is working, just seems like it's low on refrigerant. Problem is, I don't know if it's ever been serviced. I suspect not, and if this has R12 I guess I cant mix in R134? Or was R134 in the 1994 Saturns? The manual just says check with the dealer.

Ah, this chart says they switched to R134a in 1994, so I guess I could recharge it. Can anyone confirm?

Thanks, and hi again (was here months ago)

 

Got it solved. Found a sticker under the hood that says it's R-134A. Picked up a can of A/C Pro and charged it up, and it's blowing cold now. That was easy! Actually when I hooked it up it showed just in the green zone around 28 psi, but I filled it until it got to about 42 psi and was blowing cold (50 psi is max in the green zone). Took about the entire can, and supposedly the A/C Pro helps stop leaks. We'll see...

 

Look under the hood. On the main front crossmember is a sticker with all kinds of cool information which includes refrigerant type and total capacity. of system

 

Thanks Derf, we posted at about the same time. I did find that sticker, and thanks for the reply and I hope things are going well with you and everyone here.