Broken Furnace Repair: Do You Need A New Belt?
If you hear a loud squealing sound coming from your furnace, check the appliance's belt immediately. Your furnace may have a frayed, loose, or seriously damaged blower fan belt. Learn more about blower fan belts and why you should repair your furnace's belt below.
What Should You Know About Blower Fan Belts?
The blower fan circulates heated air throughout your furnace. But in order for the blower fan to work properly, it must use a special belt.