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1976 300D York AC Compressor Questions
Good evening,
From the little I know about air conditioning/auto refrigeration, the the York piston driven (I think it is since its so HUGE!) works well. It doesn't squeal, and engages smoothly when I turn on the green AC knob with the fan on. However, it doesn't blow cold. I don't think the compressor is shot, and was curious of the use of Freeze 12 (R12 substitute) will mess up my compressor. What exactly do I have to do to install the Freeze 12 in my system? I've seen threas where people use R134A in these old York compressors, without problems. The kit I am buying comes with three 12 oz cans, and oil. I'd love to have cold AC in this car. Am I on the right track? Thanks -Kyle
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http://www.betten.mercedescenter.com...n_banner_1.jpg 1976 300D 190,000 Miles Colorado Beige 1975 300D Parts Car 78,000 Miles Rustbucket Also Colorado Beige 1984 190D 2.2 (Dad's) 156,000 miles Champagne Metallic Clearcoat |
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Stick with the R12, I just bought a bunch for ~$14 per pound (16oz) not the $10 12oz cans at the local auto parts store. Sure it was 30lbs but heck, look at all the vehicles that run R12 I own... it was a no brainer to me.
I would put some gauges on it to see how the pressures are currently, compressor could be lame for all we know. Once you do that, I'd also see if you have any leaks anywhere. There is some goop that works well I've seen over on AC kits.com that seems to be good bang for the buck. Cracking it open isn't that big of a deal, just budget most of the day to get new o-rings everywhere and install a new dryer. Flush it while it's apart, evac it. Then charge. Not too big of an ordeal as it seems.
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I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG] |
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