Quote:
Originally Posted by ah-kay
There is no problem using R134a.
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Once again ah-kay is willing to overlook certain facts which have been learned the hard way in an effort to promote R134a.
I have no problem with R134a per se....
but to use it in a Delco Hotchkiss compressor and have a chance for years of problem free service you must be sure you have one of those type compressors which was BUILT FOR R134a use.
This means being sure you have certain serial or model numbers on your compressor.
Ask Tray Carlisle at Carlisle Auto Air in San Antonio, Tx for the specifics... although I may have posted it in the archives...
There is a huge amount of evidence in the archives not only from this forum but Aircondition.com and ackits.com concerning the long term lack of reliability using the Delco made for R12 and just substituting R134a.
Millions of the Delco hockey pucks are working just fine with R134a...but if you got an exact replacement for your Delco when you purchased the new compressor then you are likely to have problems about a year out if you substitute R134a for the R12 it was originally made to work with.