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#1
05-05-2011, 06:23 PM
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New a/c refrigerant
In reading through one of the technical manuals I see where the industry is introducing R-1234yf which will be rated mildly flammable. Guess I'll need to stick a couple jugs of R-134a in the back of the shop
 . Has anyone worked with this new refrigerant yet?
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Jim 
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#2
05-05-2011, 09:37 PM
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this is the first I've heard of it.
http://www.facebook.com/pages/R-1234yf/139058009466926?sk=info here's an article on it... I thought 744 (co2) was going to be the next auto/home refrigerant...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!!  1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#3
05-05-2011, 09:39 PM
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Now we are getting our technical information from FACEBOOK ????
There is something basically wrong with that.... Can't we find that information on some Government Website written where no one can actually tell what they are saying or meaning ? Great , Honeywell and Dupont own most of the patents.... and no where is oil miscibility given....
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1980 240d , chain elongation, cam marks reference: http://www.peachparts.com/shopforum/showthread.php?threadid=10414 http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html evap fin cleaning: http://www.peachparts.com/shopforum/showthread.php?t=156207&highlight=evaporator A/C thread http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html
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#4
05-05-2011, 09:44 PM
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yeah, that's the best info I could find on short notice... I doubt facebook has anything to do with that article...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#5
05-05-2011, 09:45 PM
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here is the article he snipped his post from...
http://en.wikipedia.org/wiki/R-1234yf
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#6
05-05-2011, 09:48 PM
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here is an article on the use and abuse of it by a machine company...
http://www.vtechonline.com/news_detail_r1234yf.html
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#7
05-05-2011, 09:49 PM
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Quote:
The greenie hippies will love this !! Using the stuff they say causes global warming to negate its effects !!  Its as though technology has overtaken itself. We started with R12 & it became a no no because it stuffed the atmosphere, now the stuff that they say is stuffing the atmosphere is going to be the next big thing to negate its effects.
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Grumpy Old Diesel Owners Club group I no longer question authority, I annoy authority. More effect, less effort....  1967 230-6 auto parts car. rust bucket. 1980 300D now parts car 800k miles 1984 300D 500k miles  1987 250td 160k miles English import  2001 jeep turbo diesel 130k miles  1998 jeep tdi ~ followed me home. Needs a turbo. 1968 Ford F750 truck. 6-354 diesel conversion. Other toys ~J.D.,Cat & GM ~ mainly earth moving
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#8
05-05-2011, 09:57 PM
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here's a slide show pdf on the stuff with oil requirements, and information on the pluses and minuses http://opensiuc.lib.siu.edu/cgi/viewcontent.cgi?article=1020&context=auto_pres&sei-redir=1#search=%22R-1234yf+info%22
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#9
05-05-2011, 10:00 PM
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18 minutes !!! What took you so long John ?
That must be a hoax........from siu CARBONdale ? Page 24 is important and unfortunate... no more venturi compressors used for vacuuming.... OR ELSE !!! .... LOL Here are the websites listed at the end of that pdf presentation... www.MACSW.org www.refrigerants.dupont.com www.SmartAutoAC.com www.genetron.com www.arkema-inc.com www.1234facts.com
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1980 240d , chain elongation, cam marks reference: http://www.peachparts.com/shopforum/showthread.php?threadid=10414 http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html evap fin cleaning: http://www.peachparts.com/shopforum/showthread.php?t=156207&highlight=evaporator A/C thread http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html Last edited by leathermang; 05-05-2011 at 10:21 PM.
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#10
05-06-2011, 12:06 AM
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"Second, PAG oil is not compatible with this refrigerant in any amount and could cause reliability and safety issues."
"Another hot topic was "Should the DIYers have access to HFO1234yf?" This question was also answered with a resounding "No!" In fact, the SAE and some environmental groups are pushing to restrict the sale of R134a (R12 is already restricted) to certified technicians only, removing the little DIY cans from many retail outlets. " http://workshop.search-autoparts.com/_HFO1234yf-What-Does-It-Mean-For-You/blog/1772765/31710.html
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Current Diesels: 1981 240D (73K) 1982 300CD (169k) 1985 190D (169k) 1991 350SD (113k) 1991 350SD (206k) 1991 300D (228k) 1993 300SD (291k) 1993 300D 2.5T (338k) 1996 Dodge Ram CTD (442k) 1996 Dodge Ram CTD (265k) Past Diesels: 1983 300D (228K) 1985 300D (233K)
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#11
05-06-2011, 12:16 AM
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Well, as long as the ' restriction ' involves an open book test over the internet and about $20 cash... that is ok with me... it just helps make sure those purchasing it know what they are supposed to do and why... It is not usually too much of a problem to follow the rules.
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1980 240d , chain elongation, cam marks reference: http://www.peachparts.com/shopforum/showthread.php?threadid=10414 http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html evap fin cleaning: http://www.peachparts.com/shopforum/showthread.php?t=156207&highlight=evaporator A/C thread http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html
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#12
05-06-2011, 12:54 AM
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Quote:
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CENSORED due to not family friendly words 
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#13
05-06-2011, 12:58 AM
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We just keep recycling our R12.....
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1980 240d , chain elongation, cam marks reference: http://www.peachparts.com/shopforum/showthread.php?threadid=10414 http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html evap fin cleaning: http://www.peachparts.com/shopforum/showthread.php?t=156207&highlight=evaporator A/C thread http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html
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#15
05-06-2011, 08:02 AM
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Quote:
I guess retrofits will be out of the question!! It would make a nice load bang when the condenser let go !! 1800 psi at the front of a car !!! I dont think so !!
__________________
Grumpy Old Diesel Owners Club group I no longer question authority, I annoy authority. More effect, less effort.... 1967 230-6 auto parts car. rust bucket. 1980 300D now parts car 800k miles 1984 300D 500k miles 1987 250td 160k miles English import 2001 jeep turbo diesel 130k miles 1998 jeep tdi ~ followed me home. Needs a turbo. 1968 Ford F750 truck. 6-354 diesel conversion. Other toys ~J.D.,Cat & GM ~ mainly earth moving
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