"trader_4" wrote in message
A friend of mine had a Subzero 550 fridge/freezer that is about
20 years old. It has separate compressors for the fridge and
freezer. The fridge side is no longer holding temperature.
Sometimes it's OK, other times the temperature rises. He had
the Subzero dealer out to diagnose and they told him the compressor
is bad, should change that, evaporator, and convert from R12
to R134. Bad news is they want $4K, which is a rip off. Looks
like they figure they can get it, since a new unit is $10K.
The rest of it is fine. My first thought was, does it even need
a new compressor? Is that kind of behavior, holds temps most
of the time, goes up in temp other time even indicative of a
compressor failure? In my experience, they either work or they
go completely, never seen one intermittent. My first thought
was maybe it's the thermostat, the compressor cap, fan, etc.
I had him check though and he says that when it's not holding
temp, the compressor and evaporator fan are running, so that
would seem to rule the other stuff out.
So, I did some research online and the compressor is actually
made by Embraco, an EMI30ER1. I found it online, including
shipping for as low as $130. Looks like it's good practice
to replace the evaporator too, because that's a common failure.
Found an aftermarket supplier for that for $200. I guess that
R12 is still available and legal, but I guess given the
circumstances, better to convert to R134?
So, looks to me like a fair repair guy should do this for
~$500 in parts, $500 in labor = $1000? Does that sound
about right? He has another independent
type repair guy coming that he found from a neighbor who
recommended him to give another opinion. I suggested that
when the guy gets there he should let him make his diagnosis
and as soon as he says it needs a compressor, he should say,
"yeah, that's what Subzero said, it's an Embraeco and I see
it's available online for $150..... So they know you're
smarter than the average bear before he works up the quote.
Any other thoughts?
I am retire Refrigeration person to be honest I would not do it
for $1000. "why" changing refrigerant it is always? problem,
Capillary tube need to be change, filter drier has to be change
the old compressor are not made for new R-134 refrigerant.
It will also have rerated cooling capacity what effect will that
have is in ? "Considering Warrantee"?