S80 radiator fan runs on high

Earn_est_89 · Post by **Earn_est_89** » 11 Aug 2015, 16:07

hey I'm having the some problems with my 05 S80 my AC doesn't work and the radiator fan is always on max like the car is overheating but it's not...does recharging the AC really work or do i have to buy a new radiator fan assembly?

Post by **Vovo_merz** » 12 Aug 2015, 06:51

I would first check to see if there is freon in the system if not then you need to recharge and it should fix your fan problem if yes you might have a faulty A/C pressure sensor that could keep the fan running on high as the computer is not sure what's going on and keeps it running so it doesn't over heat. but even if there is freon it could still be very low so adding about half of small can will not do much harm to test it.
please post your results back once you have it fixed so other searching the forum will have info need to fix their vehicle

Earn_est_89 · Post by **Earn_est_89** » 16 Aug 2015, 13:22

**Update **
So I added some A/C lube and Freon to the system and the assembly fan quieted down...like a baby with a bottle..Big thanks to @vovo_merz for the help