R-12 Refrigerant
08-01-2006, 06:14 PM
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R-12 Refrigerant
Does anybody know a service shop in the BOSTON AREA that will service my(1990 928 GT) A/C with R-12 Refrigerant? Recharged it 3 weeks ago. Ran very cold up until this weekend 
. Must have a pretty good leak somewhere.
. Must have a pretty good leak somewhere.
08-01-2006, 06:21 PM
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Are you sure it is a leak? Is there still pressure in the system? Maybe something else is wrong (defective freeze switch, pressure siwtch, a/c head relay). My system held pressure, but the a/c head relay was bad. This kept the compressor from engaging. It isn't too hard to narrow down the problem. It is much cheaper to trouble-shoot the system with the help of the many experienced A/C guru's here on Rennlist, than to pay a shop to chase down your problem.
Rich
Rich
08-01-2006, 07:25 PM
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My 90 had the same issue several years ago. Was a connection to the rear AC. Recharged it three years ago and never turn on the rear AC. Still cold.