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In Appreciation of John Hinckley -
Re: 1972 A/C Drier
Terry,
My A/C was working good but the hoses looked bad so I decided to rebuild the whole system when I rebuilt the car. When I took the receiver/drier apart I found it about half full of desert sand. The desiccant bag was not ripped and it was full. The fine screen in the receiver/drier stopped the sand from going any farther. The only thing I can think of is that the car was parked outside for a few years near my hangar where sand would blow over the ramp. This was years ago and as I remember, either the compressor was removed or a hose but all was plugged. I installed the compressor and charged the system and drove the car a few years before I discovered the sand.
When I rebuilt the system and found the sand, the compressor had no indication that sand went thru it as the pistons, cylinders, and rings had no damage. I think human factor was involved as there were things stollen off the car.
The amazing thing is that all worked. Makes one think, when buying a new or rebuilt compressor, they always insist that you replace the receiver/ drier!
DomComment
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Re: 1972 A/C Drier
By the way, you don't want to need one of these 73-76 receiver/dryer assemblies. The only source I know of is USED. You can obtain the dessicant kit through Delco or other aftermarket but, as far as I know, the complete assemblies are not available.In Appreciation of John HinckleyComment
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Re: 1972 A/C Drier
Joe,
Makes one want to visit Pick A Part or another self serve wrecking yard. As for the deseccant, I rejuvinate it in my storage plugs by putting it in the oven till it gets the correct color, but the one in the receiver/dryer instantly gets oil soaked and my guess is that it is useless at that point.
DomComment
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