89 325is ac

['e30love']

so i just bought the car it has brand new ac compressor, the mechanic i bought it from says dont run it while car is idle becasue something with the fan will blow fuse box i think he said it needs a new fan when i drive highway ive put on the ac and it works, could be a lil colder. has anyone had this happened to them will i be fine with a new fan? where is the best place to buy one? help is greatly appreciated.

[bryant.cw]

The blower for the inside of the car, or the radiator fan?

I'm pretty sure the fan blows under different conditions, especially when idling while stopped, not sure what that has to do with the A/C.

Your system is probably running on rc134a refrigerant which isn't as efficient as r12. Virtually all cars from the '80's just aren't going to have cold A/C because they have been converted. All you can really expect is cooled air, not so much cold.

[nrubenstein]

He is probably referring to the aux fan in front of the a/c condenser. When it gets old, it starts blowing fuses and you lose a/c when stopped or in slow traffic. Replace it and you'll be set.

['e30love']

aux fan

thx for ur help i do recall him saying aux fan, ive used ac and works when car is at a red light but i dont want to use it until i get that piece cause the guy said it would blow the fuse, where can i buy the cheapest aux fan or where is a good place to buy one?

[nrubenstein]

Well, you can try your luck at the salvage yard, you can substitute in another 14" pusher (make sure it's shrouded - I have a 14" perma-cool that I took out because it moves a huge amount of air anywhere but through the condenser), or you can buy a new aux fan from Tischer or RM European or another vendor.

Edit: Also, you can pull the fuse for the aux fan and then use the A/C freely as long as you're moving at a good clip.