your dryer might be loud because
If the drive belt is frayed or damaged, the dryer will be noisy as it turns. Inspect the drive belt for signs of wear. ... When the drum rollers are worn out, they can cause the dryer to make a loud rumbling noise.
To check Visually inspect the blower wheel and its housing for damage, you should also check for any foreign objects around the blower wheel that may be causing the noise. To inspect the hub of the wheel, remove the front panel and drum from your dryer. Inspect the hub for any signs of wear or damage.
