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Re: ‘92 AC revival, a few thoughts Posted by kenS [Email] (#606) [Profile/Gallery] (more from kenS) on Fri, 7 May 2021 16:25:00 In Reply to: ‘92 AC revival questions, Ken [Profile/Gallery] , Fri, 7 May 2021 09:02:45 Members do not see ads below this line. - Help Keep This Site Online - Signup |
The $60-$70 4-season hoses work fine, you can also take your old hose assembly to a A/C shop and have new hoses sealed onto the still-good metal tubes/connector fittings.
The high prices for A/C service reflect labor charges, not parts--- they have to recover the refrigerant, change out the hoses & seals, maybe flush the system with solvent, then evacuate, pressure test, and recharge, etc. Was your mechanic able to verify that the compressor was really compressing, and the hi/low pressure gauge readings looked ok, etc.?
If they added UV dye to the oil, you should be able to easily see where the leaks are. But just changing out the compressor hose and doing a recharge rarely works on an old non-functional AC system unless you are very lucky. It is certainly possible to R&R the system yourself, take a look at one of the DIY books like "Just Needs a Recharge" by Rob Siegel. The only special tools you need are a small vacuum pump and a set of gauges, maybe $150 for both. You could probably change out all of the components (rebuilt compressor, new evaporator, condenser, expansion valve, drier) for under $1k.
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