Paul T Medway , MA March 28, 2014 Appliance: Model BROAN 750B My NuTone bathroom fan was making noises. The blower wheel was slipping on the motor shaft. I ordered a new fan module, and did the swap. It took less than 5 minutes. Read More... Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Nut Drivers