While you wait for answers, we may have found some information which could help you.
Click here for Hoover Dryer NoiseHow do I test the heater element for my Hoover HNC160-80 tumble drier?
Capacitor location Hoover vhc180?
replace felt seal?
How to fix a Hoover SF31 Tumble Dryer?
drum not turning?
Replacing a timer switch on hoover Apollo dryer?