If your Whirlpool washer model WTW4900BW0 is making a loud noise resembling a jet engine during the spin cycle, there could be a few possible reasons for this issue. Here are some common causes:
Unbalanced load: An unbalanced load is a common reason for excessive noise during the spin cycle. When the laundry inside the washer is distributed unevenly, it can cause the drum to become off-balance, leading to loud noises. Make sure to distribute the laundry evenly inside the drum before starting the washer.
Leveling issues: If your washer is not properly leveled, it can cause excessive vibrations during the spin cycle, resulting in loud noises. Check if the washer is stable and adjust its leveling feet accordingly to ensure it sits evenly on the floor.
Loose parts: Over time, certain components of the washer, such as the drum mounts, drive pulley, or agitator, may become loose. These loose parts can create noise during operation. Inspect the washer for any visible signs of loose or damaged parts and tighten or replace them as necessary.
Worn-out bearings: The noise could be due to worn-out drum bearings. When the bearings become worn or damaged, they can produce a loud roaring or jet engine-like sound. This is a more significant issue that may require professional assistance to diagnose and replace the faulty bearings.
If you've checked the above factors and the problem persists, it is recommended to contact Whirlpool customer support or a qualified technician to assess and resolve the issue. They will have the necessary expertise and knowledge to identify the exact cause of the noise and provide appropriate solutions.