Question about Sub-Zero 30.1 cu. ft. Cabinet Depth Side-by-Side Refrigerator 632 / F

3 Answers

Sub-Zero 511 Freon Leak

My 10 year old Sub-Zero 511 has a very slow freon leak in the refrigerator side. About 3 years ago the service tech topped if off for $200, and suggested finding and repairing the leak could be very expensive. Since it's an R134a model, I figured I could do the occasional top off myself. About every 6 mos. I check the low side pressure and add a little freon. Takes about 10 minutes and solves the problem. When the tech did the job, he said "I like to fill them to 5 or 10 psi". I've been using 7 psi, which seems to work fine, but would like to know what the correct low side pressure should be, both for the fridge and the freezer.
Thanks

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  • grapeapes8 Sep 04, 2008

    I also have the same model Sub Zero. It is an R134a model and the refrigerator can not cool below 52 Degrees. I have cleaned the coils, the fan is running, but it will not cool. I also noticed some outlets leading into the compressor. How do you add the R134a? Is a special attachment needed, as the only attachments I have are for automobiles

  • ctw886 Apr 29, 2009

    How much will it cost to change the Evaporator (part under warranty)?

  • Mart Hyatt Dec 25, 2012

    I have a Sub Zero model 542 built date jan 1998. It has been having trouble for 5 years and two service calls for the Fidge is not cooling, but the freezer works fine.

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replacing leaking evaporator on Sub Zero R134A

Posted on Jun 27, 2015

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Don't let the EPA know about you adding Freon to your Sub-zero.. you can get yourself into trouble... add freon to a system that leak is a big no no... you need to repair the leak... most Likely the Leak is @ the Evaporator... Sub-Zero give you a 12 year Warranty on Parts... the Evaporator is cover.. so I would Fix the Leak, stop adding Freon. .

Posted on Nov 25, 2008

  • Billf810 Sep 13, 2011

    Can you email me the correct number for subzero. They told me that the warranty in 10 years and I just missed. Billf@eskapeonline.com

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Paul, we have the same problem with a built-in Kitchenaid and the price of replacing the fridge is out of sight for us. Where did you get the equipment to check the freon and replace it?

Posted on Jul 22, 2008

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1 Answer

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1 Answer

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Thanks for choosing FixYa and welcome to the site. You may be low on freon or you may have a freon leak, especially if the fridge is a few years old. I would try adding freon first. At the least, you will know that is not the case. If it helps and goes bad again, it will let you know that there is a leak.

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Unit may be low on freon also,causing a lower pressure which would cause a lower tempreture,this occurs with a small leak or a pin hole leak.Once enough freon leaks out it will warm up and no longer work.

You can have a leak check done by a service person.

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