Replace the blower fan blade
If your dryer tends to rattle or bang abruptly, inspect the blower fan blade for damage. The fan blade circulates air through the machine by spinning very rapidly, and if there are chips missing from the fins or pieces within the housing, there's a good chance that's where the noise is coming from. Replace the fan and any other damaged pieces with approved Frigidaire dryer repair parts to keep your machine running smooth.
Inspect and adjust drum support rollers
If the machine is making a consistent whirring noise or if the drum is noticeably misaligned, check the support rollers for wear and replace them if needed. For a quick fix, you may be able to adjust the fasteners or repair the shaft if the rubber wheel isn't worn. If you can't find any noticeable damage on the drum or support rollers, continue reading for more dryer troubleshooting tips.
Install a new idler pulley
If your dryer is making a steady squeaking noise, you may need to replace the idler pulley arm. The idler pulley keeps tension between the belt, motor and drum, and if it's worn down, the belt will either slide or not engage properly, causing squeals and possibly drum malfunction.