Date: Sat, 01 Jun 2002 21:50:48 GMT From: "Mike" <mjlbnopsami.com> Subject: Re: 94 900s - Runs rough with A/C on ?
Thank you for that instruction! Looks easy. Think I'll try it. "Saab Guy" <saabynopsamalbox.com> wrote in message news:9de977fe.0206011042.7b3e30e5nopsaming.google.com... > Refilled my sisters Nissan few weeks ago (Unfortunatly her compressor > is leaking...fast but thats a different story) it's really easy. > First find out if this Saab uses the older R12 or the newer R134A. I > think that 94 most cars were switched over/switching over and they all > had to be over by 95 but I could be wrong... > > ANYHOW, if it uses the older stuff do a google switch on R12 > conversion, there are many websites on it, and it seems to work well. > > If it's the new stuff heres how to do it (You won't find instrucitons > of the web for some reason, but if you read conversion instructions > you get the same thing so...) Go to your auto store and pick up a can > or 2 of R134A, or maybe a can of Oil and a can of 134A (The Oil has > 134A mixed with it so...) you'll also need a refill kit. At my Auto > Zone they had the 134A out on the store but the refill kit was behind > the counter, so ask instead of looking all over the store for 15 > minutes... > > Go home and attach the Tap thing to the hose in your refill kit, now > open your hood and locate the Low pressure side of the AC, this side > will have larger tubing than the high pressure side, on my sisters > Nissan the high pressure side had a red cap and the low side had a > blue cap, but I don't know about your Saab. Next twist the handle on > the tap fully counter-clockwise and then screw the whole tap/hose onto > the can of 134A, or Oil charge if you bought one, then screw the > handle on the tap 100% clockwise, this puts a little hole in the can > of refrigerent so that it can get out. Now start your car and turn > the AC on to it's highest fan setting and lowest (Coldest) temp > setting. Now screw the dust cap off the low pressure side and put on > the refill hose, it is a quick connect fitting...be prepared to push a > bit, if there is enough pressure in the system it will just push the > hose right off, you have to get it on all the way, DONT FORCE IT > though, if you have to force it you're probably on the high pressure > side and are likely to kill yourself. Now open the tap all the way, > the can will start to get cold...From what I've read it's best to keep > it upright, but it will freeze up so every couple of minutes you need > to like tap the can or shake it a bit to keep the juces flowing, when > only the bottom of the can is cold it's almost our of 134A (This can > take awhile, be patient) NOW you can start tipping the can > up-side-down to get the last of the coolent out. NOW, you want to > keep putting in refrigerent until the low pressure side is cold like a > cold can os soda and is maybe even condensing a little liquid, but if > the compressor is freezing up you've put in too much stuff. If you > need to put in another can just take the quick connect fitting off the > car and carefully take the can off the tap, be careful because there > will still be a bit of pressue in the can and it might hiss a little, > just don't breathe the stuff in and you'll be okay (It's mostly > environmentally friendly but that doesn't mean its good for you to > breathe) put on an other can and continue the process until the system > seems full...Thats it. > > > Now I know that was long and complicated so lets review with steps > that are much more concise. > > ASSUMING your car has the new stuff... > > 1.Go to auto store, buy a can or 2 of 134A, a Oil charge if you want, > and a refill kit > > 2.Go home and pop your Saab's hood, find the Low pressure side of your > system. > > 3. Take the refill kit out of the package and screw the hose onto the > tap. Turn the handle on the tap 100% counter clockwise and screw the > tap onto the can of 134A or oil charge. > > 4. Start the Saab and turn on the AC all the way. > > 5. Take the dust cap off the Low pressure side service port and then > connect the hose to the port, turn the tap handle open so the the 134A > goes into the system > > 6. Continue process until > > A. The can is empty, then disconnect the hose from the engine and > do everything backwards to take the can off and put on another > > B. The system is full, you'll know this because the low pressure > side will be slightly sweating. > > 7. Recap the port and enjoy your A/C > > > > > If the system is leaking fast you'll hear it and see flouressent green > or orange liquid, this is compressor oil. If your system is leaking > get it serviced by a professional, other than refilling the system, AC > stuff should be left to the pros > > LEAVE the high side alone, it will be VERY hot and it is EXTREMLY high > pressure, just LEAVE IT ALONE!! > > Thats it...I tried to make these instrctions clear but I don't know > how clear they are if you havent done it so if you have any > questions...ask! > > Ryan
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