Refrigerator compressor not always coming on, freezer thawing, compressor starting hard (kluncking) intermittently

ApplianceWhirlpool Refrigerator


Level of DifficultyEasy

Time to do repair30 - 60 mins

Age of Appliance5 - 10 years

Tools Screw drivers

Adrian From Swanzey, NH

Oct 19, 2012

The klunking compressor had been a symptom for a few months and I changed the start relay on the compressor. It was better but still an occasional problem. When the thawing freezer began last week we called in the appliance company. They did not discover the problem and two days later the refrigerator would not run at all. Suspecting a bad thermostat or defrost timer as the two likely options I ordered both and installed them myself in less than an hour. Defrost timer instructions a bit hard to follow as the timer is made to fit several configurations. The refrigerator runs perfectly now and the klunck is probably gone too because the compressor is getting full current. The cost of the thermostat and defrost timer was $90.00, the same cost as the unsucessful service call.

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Diagrams and Parts List for this repair

Part PhotoPart DescriptionPriceAvailability

Thermostat Control

Part Number: PS330255

In Stock

Defrost Timer Kit - 120V 60Hz

Part Number: PS376605

In Stock