RE: [DML] AC Compressor blows a back plate?

["John Hervey" <john@xxxxxxxxxxxxxxxx>]

Jake, 
I know your trying to help put pushing or recommending a 30 year old R12
compressors that is sold by others is not good for the consumer. People that
don't know about compressors as to what happens on the inside of them after
30 years of sitting in hot and cold warehouses when all the nitrogen gas
that they were packed with has leaked out and they say are no longer
recommended for resale. 
Sanden told me after about 5 years they don't recommend selling any
compressor. People that buy them off Ebay and other places trying to save a
buck and not knowing about compressors are prone to fail quicker.
Call the technical department at Sanden and they will explain further. Oh,
brand new compressors that Sanden has are identical in every way. They come
with a universal back head that has to be changed because the De Lorean
back head is obsolete. They being Sanden haven't sold R12 compressors for
about 10 years now.
John Hervey
www.deloreanautoparts.com

  

-----Original Message-----
From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx] On Behalf Of
Jake Kamphoefner
Sent: Wednesday, June 01, 2011 12:12 AM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: Re: [DML] AC Compressor blows a back plate?




Paul, 

It's probably just old and/or corroded.  I would suspect that if your
pressures 
were too high, it would blow one of the rubber hoses first.

For compressors, you either have NOS from DMC (DMC Midwest is my personal 
favorite) if you want the original factory look, or Hervey will sell you new

compressors that fit as well.  It's really a just a matter of what you want
to 
do.  Both are cheap and come with accumulator bottles and orifice tubes.

Depending on your VIN, you may or may not have a high pressure switch.  It's
a 
nice feature, but my car has been blowing cold air for 30 years without
one.  
Just make sure you use the proper oil, and change the accumulator and
orifice 
tube (very carefully), vacuum down for at least an hour, and recharge. 
Stick 
with R-12 when possible; it's not hard to get.  Clean all the dirt off the 
condenser, hose out the evaporator and drain tube, make sure your cooling
fans 
both work, and enjoy the cool drive.

Jake Kamphoefner
1063

 



________________________________
From: Paul <paul.sweet@xxxxxxxxxxxx>
To: dmcnews@xxxxxxxxxxxxxxx
Sent: Sat, May 28, 2011 8:45:44 PM
Subject: [DML] AC Compressor blows a back plate?

  
Driving the car yesterday with my AC on, I hear a big "Whoosh" from the
engine 
compartment and loss of my AC. After pulling in at home and taking a look,
the 
rear part of the compressor (original), with the threads that hold the 
compressor hose bracket broke away from the main body of the compressor! The

threaded piece of casting just broke apart, with screw and both hoses still 
attached. Is there too much pressure somehow or just old? It looks like I
need 
to buy a new compressor, and wondered what the best choice is? Thanks, Paul 





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