Samsung big wash noise when in use no error message or leaks

Drain Pump
To check the drain pump first see if you hear it when it is agitating if it is it is unlikely to be the drain pump. If you hear it in spin or drain cycle check the filter.Some have a small cover in the lower front put a screwdriver in the hole and turn counterclockwise to remove. There will be a cover to remove, water will come out so be prepared with a towel or wet vac. Clean this out. Other Machines will need to access the drain pump to get to the filter. This can be done by removing the back panel on some washers. On others you will need to remove the lower panel or complete front panel depending on model. The filter is located inside the large hose from the tub to the pump. Remove the hose and clean the filter. If you hear the pump making noises you will need to remove the drain pump and check for obstructions, broken impeller, or not spinning freely. Remove obstructions if it does not spin freely replace the drain pump. If you hear it hum replace the pump.

Struts/ Shocks
The struts can cause squeaking noise or vibrations. You will need to remove the back panel , top panel, or lower front panel then run machine to check if the noise is coming from the struts. If it is replace the struts

Motor
If the motor hums, rattles,or squeals replace the motor. This is easy to do. Remove the back panel then run machine to check for noises.

Belt
Check the belt for making noises by removing the rear panel and then running the machine, if it is making any noise replace the belt

Rear Bearing
To check the rear bearing remove the back panel and listen for noises or any water leakage around the bearing. If any noise is heard replace the rear bearing. Check with service manual all bearings are not repairable. The outer drum may get damaged trying to replace this bearing on some models.

Proceed according and fix it. God bless you