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Car Forum / Volvo Cars / August 2007r12 or r-134a air conditioner
I have three 240's and have air conditioner questions. The 1989 I am sure is r12. The 1993 has a air system that is labeled R-134a. The 1991 has a air system that looks like the R-134a in the 93, but is not labeled as the 1993 is on the top of the tin can. Any help will be fine. Thank, Joseph >I have three 240's and have air conditioner questions. >The 1989 I am sure is r12. >The 1993 has a air system that is labeled R-134a. >The 1991 has a air system that looks like the R-134a >in the 93, but is not labeled as the 1993 is on the top >of the tin can. >Any help will be fine. >Thank, The R-134a systems have fittings that are reverse threaded; if the fittings on the 1991 match the fittings on the 1993, it's R-134a. Gary  SignatureGary Heston gheston@hiwaay.net http://www.thebreastcancersite.com/ Yoko Onos' former driver tried to extort $2M from her, threating to "release embarassing recordings...". What, he has a copy of her album? >>I have three 240's and have air conditioner questions. >>The 1989 I am sure is r12. [quoted text clipped - 8 lines] > The R-134a systems have fittings that are reverse threaded; if the > fittings on the 1991 match the fittings on the 1993, it's R-134a. Reverse threaded? The standard R134a fittings are not threaded at all, they're quick connects. > > In article <1185831981.418569.168...@x40g2000prg.googlegroups.com>, > > <jsegura...@aol.com> wrote: [quoted text clipped - 15 lines] > > - Show quoted text - James, Thanks, I checked the refrigerant can and it is quick release.... You are a God Send....Thanks. Joseph > In article <1185831981.418569.168...@x40g2000prg.googlegroups.com>, > [quoted text clipped - 18 lines] > Yoko Onos' former driver tried to extort $2M from her, threating to > "release embarassing recordings...". What, he has a copy of her album? I checked the refrigerant can and it is quick release.... >> The R-134a systems have fittings that are reverse threaded; if the >> fittings on the 1991 match the fittings on the 1993, it's R-134a. [quoted text clipped - 8 lines] > > I checked the refrigerant can and it is quick release.... What? I've never seen a refrigerant can that was quick release. Usually, the low pressure and high-pressure ends are quick release. The cans are threaded - you have to use an adaptor to connect it to the low pressure end. AC SignatureEmail: echo 36434455860060025978157675027927670979097959886449930P | dc >>> The R-134a systems have fittings that are reverse threaded; if the >>> fittings on the 1991 match the fittings on the 1993, it's R-134a. [quoted text clipped - 14 lines] > pressure > end. I assume he's talking about the reciever/dryer can, a can of fresh refrigerant will be clearly labeled, no guesswork there. > > In <1185854815.813643.58...@e16g2000pri.googlegroups.com>, > > jsegura...@aol.com <jsegura...@aol.com> wrote: [quoted text clipped - 22 lines] > > - Show quoted text - James, I just replaced my heat/air fan and boy was it a task (now I have warm air..YIPPI) ....I now have an air conditioner issue. I don't have cool/cold air, I hooked up a can of R134 and immediatly the meter was in the RED. This means that it is full. The R134 unit does not get cold, rather it was warm/hot when I attempted to fill it. The car is at 240 (1993). I also replace the bulb in the air conditioner switch, which I thought was not allowing the air conditioner to turn on. Also, I checked the relay switch while I was under the dash and it gets power, then when I turn the switch on the second prong gets power, then a few seconds later the third prong get power after I hear a click, but, the forth/last prong never gets power, could that be my problem. Any idea what my issue might be. Thanks again, Joseph > James, > I just replaced my heat/air fan and boy was it a task (now I have warm [quoted text clipped - 16 lines] > Thanks again, > Joseph There's a pressostat on the filter/dryer cannister, it fails sometimes and won't let the system come on. IIRC '93 uses the GM AC system on which the pressostat is screwed onto a shrader valve and thus can be replaced without opening the system. > > James, > > I just replaced my heat/air fan and boy was it a task (now I have warm [quoted text clipped - 23 lines] > > - Show quoted text - James, Thanks for off...for your assistance. The pressostats on my two 240's are not identical, so I could not swap them to test. The 93 came with the R134, the 91 must of been converted at some time. When I unplug and replug the pressostat on the 240 (ac not working) the idle on the car changes a bit, but the ac does not get cold. Does that mean that the pressostat is working or just that it is taking power? I may have to head out to the salvage yard to try to find one that matches. Thanks again, Joseph > James, > Thanks for off...for your assistance. [quoted text clipped - 9 lines] > Thanks again, > Joseph That probably means that it's working, you can temporarily bypass it to check though. Does the compressor spin? If not, I suspect a bad clutch, wiring to it, or relay. I have owned a 91 240 and currently own a 93. The 93 240 was the first year that Volvo introduced R134. Among other improvements over the 91 240, it had an air bag for the front passenger and the driver had padding in front of his knees in case of an accident. Also have electric side mirrors. Most likely the best 240 one can buy. >> James, >> Thanks for off...for your assistance. [quoted text clipped - 13 lines] >check though. Does the compressor spin? If not, I suspect a bad clutch, >wiring to it, or relay. >I have owned a 91 240 and currently own a 93. The 93 240 was the > first year that Volvo introduced R134. Among other improvements over [quoted text clipped - 3 lines] > > Most likely the best 240 one can buy. They're great cars, I'd much rather have one without the airbag, but a '93 240 is one of the best cars Volvo ever built IMO. Wish they made a 2 door. My mistake, I was thinking about another Volvo. The 93 240 doesn't have a passenger air bag. I was thinking of my ex- 95 960 versus my 98 S90 (960 re-badge). P.S. I have disabled the air bags in my 93 240. I find it unfair that in an accident, I would have one, but the wife wouldn't. Very easy to do, btw, just unplug the battery, remove 2(?) screws at top of steering and unplug air bag. >>I have owned a 91 240 and currently own a 93. The 93 240 was the >> first year that Volvo introduced R134. Among other improvements over [quoted text clipped - 6 lines] >They're great cars, I'd much rather have one without the airbag, but a '93 >240 is one of the best cars Volvo ever built IMO. Wish they made a 2 door. > My mistake, I was thinking about another Volvo. The 93 240 doesn't > have a passenger air bag. [quoted text clipped - 5 lines] > easy to do, btw, just unplug the battery, remove 2(?) screws at top of > steering and unplug air bag. Well the passenger doesn't have a steering wheel to smash their face into, but the steering column on a Volvo is collapsible anyway and thing that scares me about airbags is they're so powerful, and it adds one more thing to look out for when working on a car. A 240 is a very safe car even without the bag, always buckle up and drive carefully, no need for the added complexity. Also, do not forget that air bags do NOT last forever. I think the life of a bag is around 10 years. It's written on a sticker at side of door or something like that. I ain't in a mood to spend a few grands to replace air bags... Moreover, common sense will always prevail over technology. People feel more secure cause of air bags, abs, etc. and this feeling of increased safety makes many, if not most, take higher risks when driving. Common sense and mankind seem kind of incompatible. On the bright side, there are too many people on this planet, so I see cars as a mean to reduce the population. Similar to cigarette. It's not smart, but that's mostly who we are... >> My mistake, I was thinking about another Volvo. The 93 240 doesn't >> have a passenger air bag. [quoted text clipped - 12 lines] >the bag, always buckle up and drive carefully, no need for the added >complexity. > > James, > > Thanks for off...for your assistance. [quoted text clipped - 13 lines] > check though. Does the compressor spin? If not, I suspect a bad clutch, > wiring to it, or relay. Is the Pressostat also called the pressure cycle switch ? Thanks, Joseph |
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