Front-load washer and dryer pair in a home laundry room

Generic photo: Curtis Adams · Pexels License

Front-load roaring or grinding in spin (bearings, rotor, spider)

Rising roar with speed usually means failed rear tub bearings, often after the seal leaks. Rule out a loose rotor or foreign object first, because a bearing job is a major repair that may cost more than the washer is worth.

Single source ~45 min advancedBrands: All

Before you start

Unplug and wait for the motor drive to discharge before removing the rear panel.

Diagnostic steps

Unlock all 4 steps with expected values

Full library + AI assistant for $34.90, one time.

Get lifetime access

OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.

More washers guides

Component test · Washer

How to test a drain pump (washer and dishwasher)

Most drain pumps are small synchronous motors. Clear the filter and impeller first, then test the winding and the voltage. Published resistance values vary a lot by brand, so use the tech sheet for the number.

6 steps ~40 minmoderate

Component test · Washer

How to test a universal (brushed) motor and its carbon brushes

Universal motors run on AC or DC through carbon brushes that rub on a commutator. Brushes wear out and are the most common failure. Check brush length and the commutator, then test the field and armature with a meter.

6 steps ~60 minmoderate

Component test · Washer

How to test a top-load washer lid switch / lid lock

Older top-loaders use a simple lid switch; most newer ones use a lid lock with a switch and a locking solenoid or motor. Test the switch contacts with the lid open and closed, and check the lock coil if there is one.

6 steps ~20 minmoderate