Mercury Villager Air Conditioner No Air

The Belt Wines Real Loud When I Am Driving In Slow Traffic But Stops When Go Going At Higher Than 40 Mph And Today The A/c Stopped Blowing...

My A/c Will Not Blow In 1,2 Or 3 Fan Speed But It Will On 4. The Manual Speaks Of A "passanger Compartment Odor And Particulate Air Filter...