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Kenmore 77272 bottom freezer refrigerator with poor cooling

Hi there,

I just picked up a kenmore bottom freezer refrigerator, model 596.77272790 #P1311201WW. Manufacture date appears to be 09/98, manufacturer is Amana (kenmore code 596)

The coils on the bottom were coated with dust, which has been cleaned off but it still has very poor cooling. Left to run overnight the freezer was 30 degrees, fridge was 40 degrees (both compartments empty). With occasional opening of the door and putting in food the temp would stay around 55-60 degrees.

Unit had been turned off for quite a while, so no iced coils or anything.

When felt by hand, the compressor hi side felt about 110 degrees (sorry can't be more exact) and the low side felt 45ish- cool but not really cold.

I have no R134 experience (though plenty of R12 experience in the automotive field many years ago), and very limited refrigerator work so I do not know if I am looking at a bad compressor, low charged system (though I do not see any evidence of prior work nor oil stains to signify a leak). or some other issue? Also, the temp drop is rather low, at 60 degrees the cooling air measures about 5 degrees cooler.

Any troubleshooting suggestions would be appreciated. I still have a reclaimer so I feel comfortable evacuating, replacing the compressor, and refilling with 4.5 oz of R134 but am not totally convinced that is the problem,(Though it may be!)

Thank you for any help or suggestions!

Mark

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1 Suggested Answer

fridgetech
  • 473 Answers

SOURCE: refrigerator compartment not cooling

If you are sure the fan in the freezer is running and you don't feel any air flow out of the top middle vent inside the fridge section, then the damper motor must be bad. The damper motor is behind that vent cover inside the fridge section.

Posted on Nov 16, 2007

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