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106.70834100 Kenmore frig/freezer not cooling

tab a

Premium Member
Joined
Feb 9, 2013
Messages
34
Location
ks
Model Number
106.70834100
Brand
Sears Kenmore
Age
More than 10 years
This frig/freezer 106.70834100 has the compressor (fairly hot) and both fans running, but is not cooling correctly (40 degrees in freezer). Coils are clean. I measured R134a pressures and see about 1-2 on the low side and about 150 on the high--which seems like it should be about right, from my reading. What doesn't seem right is that the pressure with the compressor off, is around 35, with an ambient temp of around 75. I'm used to seeing static pressures about the same as ambient, at least on my cars.

Would you suspect it's low on gas? If so, I can vacuum, look for leaks, and recharge.

Thanks!
 

rickgburton

Appliance Tech - Moderator
Staff member
Joined
Jul 11, 2006
Messages
44,332
Location
Murray, Utah 84107, United States
Sounds like an inefficient compressor. What does the frost pattern on the evaporator look like?
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
123,949
Location
McMullen Valley, Arizona
That's exactly what I was going to ask too Rick. LOL
What does the frost pattern on the evaporator look like?

Look at the very bottom photo below and that is a NORMAL FROST PATTERN:

Frost Patterns.jpg
 

tab a

Premium Member
Joined
Feb 9, 2013
Messages
34
Location
ks
Finally had a chance to get back to this and check it. Not surprisingly, it looks like a sealed system problem--small amount of frost on upper tube. This doesn't help me much, with figuring out my initial question though--am I low on gas, or have a bad compressor?
 

tab a

Premium Member
Joined
Feb 9, 2013
Messages
34
Location
ks
Ok. Would low on gas look different, what makes you say compressor?
Thanks.
 
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