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Customer Questions and Answers for Refrigerator Compressor Assembly by Lg

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Manufacturer Part
4.89 (64)
By: Lg
Part Number: OEM18742872
Manufacturer Part Number: TCA35931727

Fixes refrigerator not cooling or freezer not freezing. Complete compressor assembly includes relay and overload. Advanced repair requires technical skill.

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Questions & Answers

For Lg Refrigerator Compressor Assembly (Part Number: OEM18742872)

1 Answer

You may not install a compressor or work on the sealed system unless you are an EPA-certified technician. In which case, you would already know which tools you would need.

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1 Answer

You may not install a compressor or work on the sealed system unless you are an EPA-certified technician.

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1 Answer

Dave, Based on the information provided that does not mean the compressor is automatically the issue. It could be a control or board issue as well. Start by checking what all is running and what are the settings.

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1 Answer

Based on the information provided the compressor is part number TCA38151706 and requires a software update and the update kit is part number CJT30000002 DO NOT INSTALL NEW COMPRESSOR WITHOUT UPDATING SOFTWARE. The condenser part number is ACG73645004.

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1 Answer

No, the amp ratings only show that it is more efficient than the prior compressor.

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1 Answer

Dodger, unfortunately, the manufacturer does not provide a technical datasheet for this compressor.

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1 Answer

R. Orr, With there only being about an inch of frost on the evaporator coils then this will be a sealed system issue in which you will need service. The compressor would be running with there being frost.

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1 Answer

Hello Henry. If the compressor is bad, you will need an HVAC tech to change it. You can buy the part from us. It is part number TCA38091801.

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1 Answer

Hello Sherry, This is most likely an issue with the evaporator fan motor, (freezer fan). I'm sorry but I cannot diagnose any further without the model number from the units' I.D. tag. Thank you for your patience and understanding in this matter.

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1 Answer

Joddy, the "thermistor assembly" part number CLS30820101 is the overload/start relay for model LFC25770SB. Unfortunately, this item has been discontinued and the only way to obtain the parts is to purchase the compressor assembly part number TCA35931727. Thanks.

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