Symptoms
Grinding noise, whirring noise, unusual noise from the motor
Picture
Cause
If the motor assembly is missing the 2mm thick washer on the w-
shaft of the bearing housing, then the gear shaft will make contact
with the rotor. When the unit spins, it will make a noticeable noise.
[Regarding grinding noise] If Servicing the Motor Assembly, Check for the Gear Washer
Service Bulletin
Product : Washing Machine (Top loader)
Bulletin # : DFZ201900164-01
Release Date :
Applicable for Serial Number : 901TN******* ~
Applicable for models: WT7060CW, WT7060CV, WT7100CW, WT7300CW, WT7300CV, WT7800CW, WT7800CV, WT7900HBA
Bulletin Type : SVC Notice Parts Others
Applicable : only with symptoms :with every repair
Repair Instructions
1. Check for the washer
2. Install if necessary and Check
1) If there isn’t a washer there, or if there is visible damage on the washer,
install a new washer and reassemble the rotor.
2) Run a test cycle with a large load and listen for any unusual noise.
If the noise persists it may be necessary to replace the Clutch Coupling Assembly.
1) Remove the rotor nut and
pull the rotor off of the w-shaft.
2) Check to see if there is a washer
on the shaft.
Washer(1WZZEA4002C)
Damage
Current and New (Visual / Part number & Name etc) : There is no part number change (Part number: 1WZZEA4002C, SVC loc : K310)
Part Interchangeable: Scrap Current Part in LG Warehouse
Yes No
Extended Warranty : This service is not covered by an extended
• The information is available through “https://gsfsplus-america.lge.com” with a valid ID.
• The information is intended for experienced technicians, not for customer .
• The information is subject to change or update without notice.
Current Part New Part
Current Product Yes Yes
New Product Yes Yes
Washer
No Washer
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General
Weight and Dimensions
