Fixing AC to work on new juice
#1527423
11/02/13 03:00 PM
11/02/13 03:00 PM
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Joined: May 2004
Posts: 952 Stockholm, Sweden
MrSixpack
OP
super stock
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OP
super stock
Joined: May 2004
Posts: 952
Stockholm, Sweden
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My 66 Chrysler 300 has a none working AC system. And my goal is to fix it during this winter. Is it possible to make it work with the new type of freon? Where can I get a rebuild kit for the system. Thanks
1970 Super Stock Challenger ex. Paul Rossi 1968 Dodge Dart GT 340 1968 Dodge Charger /6 3 speed manual 1966 Chrysler 300 Loaded 1968 Dodge Charger R/T 440
1968 Mini Cooper
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Re: Fixing AC to work on new juice
[Re: MrSixpack]
#1527424
11/03/13 10:54 AM
11/03/13 10:54 AM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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You might see if you can retrieve some past threads regarding this. From what I've gathered R12 is no longer being manufactured tho there are tons left. As you know it (the single cans) is available on eBay/CL tho it is pricey. To changeover I think you need the new type "barrier" hoses, the reciever/drier needs to be changed to the new type, the valve at the firewall needs to be changed, the oil in the compressor needs to be changed to the new type, new type of O rings in the hoses/fittings then vac pump the system empty which is std procedure then add the new stuff & I think you go by weight & use less of the new type of freon. Some say it dont cool as well as R12 & others are happy with it. dont remember if a larger evaporator (next to rad) is needed (or recommended). I'd wanna check the system for leaks in the process so I dont have to mess with it again. Might be more to it than this but here's a BTT for ya. EDIT A '66 "300" would have a monstrous condensor so you're good there
Last edited by RapidRobert; 11/03/13 11:10 AM.
live every 24 hour block of time like it's your last day on earth
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Re: Fixing AC to work on new juice
[Re: MrSixpack]
#1527425
11/03/13 11:44 AM
11/03/13 11:44 AM
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Joined: Dec 2004
Posts: 10,552 Rittman Ohio
fourgearsavoy
I Live Here
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I Live Here
Joined: Dec 2004
Posts: 10,552
Rittman Ohio
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I have converted quite a few cars to 134 and all I have done is changed the fittings and evacuate then charge with 134. All the hype about changing O-rings and special hoses and receiver/drier replacement is not necessary. Some of the newer kits come with improved oil in the can so it is added during the recharge. Just my after 30 years in the dealership Gus
64 Plymouth Savoy 493 Indy EZ's by Nick at Compu-Flow 5-Speed Richmond faceplate Liberty box Dana 60
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Re: Fixing AC to work on new juice
[Re: MrSixpack]
#1527428
11/03/13 08:12 PM
11/03/13 08:12 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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I converted my 87 Diplomat over, with the C171 compressor. I was not real impressed with it's ability to handle the Texas heat.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: Fixing AC to work on new juice
[Re: RapidRobert]
#1527431
11/05/13 12:29 AM
11/05/13 12:29 AM
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Joined: Sep 2004
Posts: 654 MN
astrobuf
mopar
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mopar
Joined: Sep 2004
Posts: 654
MN
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Well, a charge of R12 for your car will run >$ 500 if it leaks, you get to do it again. I too have changed many system's over. Fix the leaks, new orings, Fittings,new receiver/dryer and evac and fill. Need to replace the receiver to avoid contaminants that will coorode your compressor. Astrobuf
So, are you really a Rocket Scientist?
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Re: Fixing AC to work on new juice
[Re: John_Kunkel]
#1527435
11/05/13 05:53 PM
11/05/13 05:53 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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John you are the man & alright I will stay with R12 when I get to that point (adding AC to my 65 dart)
live every 24 hour block of time like it's your last day on earth
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Re: Fixing AC to work on new juice
[Re: BDW]
#1527437
11/05/13 08:43 PM
11/05/13 08:43 PM
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Joined: Jan 2003
Posts: 25,750 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,750
Rio Linda, CA
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The R-134 molecule is considerably smaller than the R-12 molecule which simply means it will leak out faster and most R-12 systems are defunct because the refrigerant leaked out. In the long run the cheaper R-134 might wind up costing as much as the R-12 for the same length of service.
The INTERNET, the MISinformation superhighway
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Re: Fixing AC to work on new juice
[Re: astrobuf]
#1527439
11/06/13 02:49 AM
11/06/13 02:49 AM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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Yeah I definitely dont know my way around AC systems. I'd (likely) have my maintenence man buddy do it with his R12 gauge set
live every 24 hour block of time like it's your last day on earth
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Re: Fixing AC to work on new juice
[Re: John_Kunkel]
#1527441
11/06/13 04:57 PM
11/06/13 04:57 PM
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Joined: May 2004
Posts: 952 Stockholm, Sweden
MrSixpack
OP
super stock
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OP
super stock
Joined: May 2004
Posts: 952
Stockholm, Sweden
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We pressure tested the system to day and it's leaking from the input shaft on the compressor. So I need to rebuild the compressor, but who has parts for it? Thanks
1970 Super Stock Challenger ex. Paul Rossi 1968 Dodge Dart GT 340 1968 Dodge Charger /6 3 speed manual 1966 Chrysler 300 Loaded 1968 Dodge Charger R/T 440
1968 Mini Cooper
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