Originally Posted by Larry Delor

Have you ever replaced the cabin filters? If you have, then take all that stuff off, remove the filters, and see if you can jam your fingers down there...you should be able to feel the fan blades, and you should be able to give them a spin - If the squirrel cage does not spin freely, or barely, you need a new fan motor (be sure and get the one designed for models with cabin filters). Did you check the strip fuse near the firewall?