Convert r12 to r134
EricTheCarGuy has a video about converting his car to R-134a. In the mid-1990s car makers put out conversion guides, and I think the EPA had some listed. ... Systems that are instead regulated by a TXV will probably cool well with the original R-12 TXV, but if you have the system apart you may as well put in an R-134a TXV. For hot climates you ...I wanted to share my experience on refreshing my a/c system and converting from R12 to R134a on my 220k mile LS400. My decision to DIY was driven by the nearly $700 the local Lexus dealer charged to "repair" my a/c last year, only to give up when they could not get it to work for longer than a day.
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I'm going to replace the accumulator also. I was told to take the system apart, clean it with a flush with compressed air. Put the oil for R134a into the condensor, accumulator, and compressor. Then charge the system. The R-12 that I had in my system has leaked out, so I might as well convert it over.A couple of months ago I converted my R12 factory a/c on my '65 Chevelle to 134 by using a do-it-yourself conversion kit (new fittings, 134 refrigerant, conversion oil, pressure gauge, etc.). Works fine with no problems. Last summer I converted my 90 SS454 pickup from R12 to R134, ran me around a grand!R134a systems use quick connect valves that don't connect directly to R12 systems. These conversion fittings screw onto the R12 valve stems so that R134a quick connectors can be used with the existing system. On the FJ62, the high side is closer to the passenger wall and the low side is closest to the motor.Posted March 21, 2019. The R134 will eventually react with the oil in the compressor and cause it to fail, IF the compressor is truly an R12 compressor. You need the numbers off the bell housing to find out what model compressor it really is. If there is evidence that it was changed out, new filter drier, a brazed on Shrader valve, etc, then ...Unifizz R12 to R134A AC Retrofit Fitting Adapter Kit Fits for AC Air Conditioner Refrigerant, R12 R22 to R134A High/Low Fitting Port Retrofit 1/4"to 7/16"-20 UNF Conversion Adapter, $10.66 $ 10 . 66 FREE delivery Jul 5 - 12R12 To R134a Conversion Kit, with Dust Cap, R12 R22 R502 to R134A Fast Quick Conversion Adapter Switch, Adapter Valve 1/4Inch SAE Low Side Port Adapter, R134A Quick Coupler Interface, and Core Valve. 4.0 out of 5 stars. 60. $6.99 $ 6. 99. FREE delivery Tue, May 21 on $35 of items shipped by Amazon.1992 Pickup A/C conversion from R12 to 134a. i have a 1992 toyota pickup and the a/c has been out for about 8 years. i am finally going to try and get it working again and convert it to 134a. when the a/c went out it had a leak somewhere but everything was working at that time. now i have no idea what is still working and what is bad so i don't ...Make sure the A/C system blows ice cubes! We go over inspection and repair of every component. #Moby the Lowered Squarebody Crewcab Dually gets the FULL A/C...converting AC from R12 to R134a. I want to fix/convert the AC in my 94 4.0 5 speed. I'm going to pull a vacuum either tonight or tomorrow to see if there's any leaks. After any leaks are fixed tho id like to convert the system to R134a. I've seen kits online that pretty much say to just evacuate the system, install new fittings and shoot in it ...Aug 1, 2015. #7. R12 is not illegal, per se. Production of it is, I think. If your system is just low, and the compressor still cycles (or if there's any pressure in the system), you can add a can. Cans are about $25-30 on Craigslist, when you can find them. A shop that has R12 can also legally add it.Anyway, if a shop does this conversion, that recovery process will trigger an extra charge. If you do it yourself it is free. Whatever way you do it, after the system gets dumped, it will need to be flushed, evacuated and recharged with 134a. Flushing is required because the oil used with R-12 is non-compatible with the oil used with 134a.The most important thing when converting to 134, is that you MUST make sure to put the system into a complete vacuum (30"Hg) to burn off the moisture and residue from the old r-12. I suggest finding a shop that won't charge too much to reclaim the R-12 from the system and suck it down into a vacuum. Install kits can be purchased at aftermarket ...Jun 7, 2022 · R134a requires larger compressors and larger heat exchangers than R12, so performing a conversion while retaining the factory R12 compressor/heat exchanger means you can only fill the system to roughly 80% capacity. For example, if your system originally had 34 oz of R12, then your newly converted R134a system will only have 27 oz (34 x .80 ...The refrigerate oil in the system has to be compatible with the freon used, so if a system is converted to 134a it needs the correct amount compatible oil added. Also 134a does not start cooling as quickly as 12. Freon 12 is probably still available, but it is very expensive.1. 185719 Discussion starter. 4 posts · Joined 2008. #1 · May 2, 2009. I have an R12 system in my jeep and it is low on freon. I seen a $40. conversion kit at an auto parts store and was wondering if anyone has tried one of these. It looks easy and striat forward, but I dont want to ruin what I have. Thanks!!Re: Converting from R12 to R134. R134a usually performs about as well as R12. The high side pressures could be 10-20% higher than R12 depending on the condensor and fan capacity. Cars with undersized condensors and fans are the ones who will do the worst with R134a.R12 virtually non-existent, last time we were able to get remanufactured stuff it was going out to dealers at $700 Canadian for 30lb cylinder. Personally would advise against conversion to R134a on older vehicles. There is the oil issue and also some seals and hoses dont take to 134 like they did to 12.
The drains are on the side of the body. Remove both drain plugs to drain it and fill it through one hole. If you have an old R-12 system and you want to convert it to an R-134a system. You will need to do the following:The oil needs to be blown out of the system, and drained from the compressor. (DO NOT FLUSH COMPRESSOR) The compressor will ...A couple of months ago I converted my R12 factory a/c on my '65 Chevelle to 134 by using a do-it-yourself conversion kit (new fittings, 134 refrigerant, conversion oil, pressure gauge, etc.). Works fine with no problems. Last summer I converted my 90 SS454 pickup from R12 to R134, ran me around a grand!The DeLorean hoses are only R12-compatible, though, but DMC MW was able to make some R134 hoses for me. DeLorean Performance Industries and John Hervey both sell their own R134 split hoses, but I decided to go with DMC MW and single-piece hoses. The A/C compressor is just an off-the-shelf aftermarket compressor. The stock DeLorean compressor ...A/C systems designed to use R12 will cool best when charged with R12 refrigerant. Even if the system leaks, repairing the leaks and recharging it with R12 is usually the best repair alternative. Converting to R134a typically reduces cooling performance somewhat, and may require some additional modifications depending on the vehicle model year."Unifizz R12 to R134A AC Retrofit Fitting Adapter Kit Fits for AC Air Conditioner Refrigerant, R12 R22 to R134A High/Low Fitting Port Retrofit 1/4"to 7/16"-20 UNF Conversion Adapter, $10.66 $ 10 . 66 FREE delivery Jul 5 - 12
All-in-one solution - no additional tools required, 36 oz. total fill (three 12 oz. cans) to replace lost refrigerant. Easy to use kit, includes everything needed to recharge an automotive A/C system or retrofit from R-12 to R-134a. Includes three cans of High Mileage R-134a with Oil and How-To CD.I forget exactly how this works, but IIRC, R-134a is a drop-in replacement compatible with R-12 systems. You might want to double-check this with your mechanic- it might be R- (something else) that I'm thinking of. The only drawback to this is reduced cooling capacity of the system. Last I checked though, an R-12 service cost something like a ...…
Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. This kit can be used to help convert 1990-199. Possible cause: May 31, 2006 · Junkyard Dawg. Minimum requirements for converting a system t.
This video starts out with me showing you how to retrofit an AC system r-12 to r-134a on my 1977 Chevrolet C10, but is interrupted by a lunchtime mishap whil...1973 Mach 1 a/c conversion from r12 a to r134a. My car still has the original a/c system and components and I'm wanting to get it converted to the new type freon. As far as I know everything is there and works including the compressor. I have been told that all I need to do is install new fittings on the refrigerant lines and install an inline ...
In 2000, I converted my 84. I installed a new compressor, orifice tube, and accumulator. I replaced all O rings and vacuumed the system. I then charged with PAG oil and 80% of R12 rating with R134A. I got 42-45 degrees at the vent in 100+ ambient temps. Not bad. I had to add 2 cans in the next 10 years I had the car.Converting from R12 to R134a Refrigerant: 65 Mustang | Classic Auto Air. Recently the owner of a '65 Mustang asked us how to convert his car's original compressor, converting from R12 to R134a refrigerant.Yes, there are other considerations. You should switch to the newer barrier hoses and replace all the o-rings with R134a-rated parts, and your VIR or POA system will need to be adjusted for the different properties of R134a. There have been a number of recent threads on this topic.
Griffiths' 928, R134a Conversion Kit, 19 3 posts · Joined 2004. #4 · Jul 23, 2004. I have a 1987 560SL and just finished the conversion from R12 to R134a. Since my AC Compressor was bad, i replaced with and I also replaced the drier. In order for me to replace the AC compressor, I removed the poer steering pump to have better access to the compressor. I also replaced all the o rings.There are a few things that are/is needed, but its been eons since I tried a conversion. Evaporator may work (metal is metal), but there is a needle like (on most cars) device, aka expansion valve/tube/orifice that regulates the flow of freon into the evaporator. R12 and 134 have diff weights, so, may or may not work better with diff freon. In years your taxable income is lower, converting money from This video starts out with me showing you how to This kits allows the conversion of a system running old refrigerant R12 to run on r134a. Contains new adapters allowing r134a recharging as well as oil which converts the old oil to r134a compatible oil and coats all internal seals. Simple to use, then just regas with r134a refrigerant. Gross Weight (kg) Been to R134a land and doesn't seem 1991 Dodge Stealth R/T 10:1 Turbo Conversion, Boomslang harness, SAFC, LCDBC, Eibach Springs, 18x9 LM wheels. Family owned since new. I have sucessfully converted several cars to R134 by just fixing whatever leak I had, replacing the Dryer and all the O-rings, and using a R134 a conversion kit that had adapted fittings and the correct PAG oil ...General Retrofit Conversion Kit. The general retrofit kit includes parts needed for converting all R12 to R134a air-conditioning systems. Refer to TM1719 Air Conditioning Retrofit Service and Diagnostics manual for a listing of the parts needed to do a R12 to R134a retrofit - depending on machine models or the condition of the system. Location: Youngstown Ohio. Posted April 27, 2015. It's also woR22 to R134a A/c Retrofit Fitting AdapteThis kit allows you to convert yourA/C system fr Install 134a charge port adapters. Charge with 134a between 70-80% of the original R12 charge amount. Note: Hot gas valve will need to be adjusted during the charging process to properly adjust the low side by-pass pressure to 20psi. Replace any O-rings with 134a compatible. Recommended: Install hi/lo pressure switch. After you get everything bolted back up make sure you c Almost forgot, pull vacuum for at least 1 hr after reassembling system with new o-rings and the 134a orfice you have. Thank you!! Great info I appreciate the heads up bud. 1987 - 1996 F150 & Larger F-Series Trucks - R134a Conversion (1993 f150) - Ok guys really simple, for a legit conversion disregarding cost, would it be better to use a kit ... Use the formula below to calculate the chan[The molecules in the R134 refrigerant are smaNot sure when the conversion year was, but I think you al My old R12 system is very likely completely original, but after 35 years or so it developed an unknown leak, most likely at the evaporator. Since I had a new engine that required a new compressor, this seemed like a good time to replace the entire system and convert to R134a. Step one: getting the old system out.systems designed for r134a have bigger condensers to cater for r134a. Different oil, different hose specs. I can go on, but it really is just a waste of effort, money and time to convert to r134a, and it will never cool as well as r12 in an r12 system design. Period. Maintain your r12 unless it is completely ruined.