LG Dryer Motor 4681EL1008A — Hums or Won't Turn? How to Diagnose and Fix
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Understanding the Problem
If your dryer hums when started, the drum doesn't turn, or the dryer starts then quickly stops, the motor is a primary suspect — especially on LG models that use part number 4681EL1008A. A failing motor can result from seized bearings, burned windings, a failed start mechanism (centrifugal switch or start device), or repeated overload/thermal trips. Because motors work against the drive belt/rollers, a mechanical restriction (stuck drum, worn idler or seized roller) can also cause the motor to hum or overheat. Diagnosing the motor requires a mix of visual inspection and electrical testing: confirm the drum can spin freely by hand, check the belt and idler, and test for voltage to the motor when the dryer is set to a run cycle. If the motor receives correct voltage but only hums and will not start, the internal start/centrifugal mechanism or worn bearings are likely at fault and the motor assembly (4681EL1008A) will usually need replacement.
Common Symptoms
Dryer hums but drum won't turn; dryer motor runs briefly then trips; burning or electrical smell; loud squeal or grinding before motor failure; dryer doesn't start at all while lights and controls seem fine.
Common Causes
- Motor windings, start switch or centrifugal switch have failed — motor hums but won't develop torque.
- Seized bearings or worn shaft causing excessive load and motor overheating.
- Drive components (belt, idler, drum rollers) are jammed or broken, overloading the motor.
Popular Parts That Fix This Problem
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Helpful Repair Tip
First unplug the dryer and manually spin the drum. If the drum is hard to spin or feels rough, the motor or drum support parts are likely bad. If the drum spins freely and the motor receives line voltage during a run cycle but only hums, the motor (4681EL1008A) is faulty — confirm with an ohmmeter for winding continuity and a voltage check (live test only if you are experienced and take safety precautions).
Frequently Asked Questions
Can I replace the 4681EL1008A motor myself?
Yes, a competent DIYer can replace the motor, but follow safety steps: unplug the dryer, take photos of wire connections, remove the front or rear access panel per your model’s service manual, release belt tension, disconnect motor wiring, then remove and replace the motor. If the dryer is gas-equipped, also turn off the gas and follow gas-safety steps. If you’re uncomfortable with live-voltage checks or reassembly, hire a technician.
How much does it cost to replace the dryer motor?
Cost varies by region and shop. The motor (part 4681EL1008A) plus shipping typically ranges from an OEM-price to aftermarket pricing; expect parts-only to be a few hundred dollars in many cases. Labor adds depending on shop rates (often 1–2 hours). Also factor in replacement of worn belts/rollers if they contributed to the failure.
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