Converting r12 to r134

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Converting R12 to R134 is the worst possible thing you can do to your A/C. DONT listen to all .

I write because i have had the unfortunate experience of a terrible 134a conversion i had it done at a dealership MURDOCK chevrolet in bountiful utah, and they didn't ry the system so it ate the lines, and seals and eventually blew out the main compressor shaft seal again The conversion to freeze 12 uses the same type of fittings as 134aIf an early-stage startup is ready to raise money but its valuation hasn’t been established yet, a convertible note can serve as a good fundraising option. A convertible note is a ...The R134a just doesn't really begin to match the R12 setup until you convert to the parallel flow condenser. Otherwise, I would stick with R12. View attachment 314208. I have a 67, but it is obviously setup 69 style. What WOW said about the AC blower is also true, but can be addressed by a modern (er) alternator.Here is a quick way to help you get started with the precise formula: R12 Charge Specification x 0.9) – 0.25 lbs. = R134a Charge Level. So, for instance, if the R12 charge specification is listed at 2 lbs., then the R134a charge level would be 2 lbs. x 0.9) – 0.25 lbs. = 1.55 lbs.This kit is designed for use with the newer 134a refrigerant. Please CLICK HERE for information on converting R12 systems to 134a; Any stock Pontiac V8 301, 326, 350, 389, 400, 455 engine with compressor mounted on passenger side (right-hand) of the engine. PLEASE MAKE SURE THE ENGINE FITS WITHIN THE GUIDELINES LISTED ABOVE. UNSURE?Mazda B2200: Convert from R12 to R134? The factory R12 A/C system on my 1988 Mazda B2200 has had a slow leak for the last 10 years. Normally adding one small can of R12 in the Spring would get me through until the next year. Last year the small leak apparently became a major one: the sight glass looks like all the freon is gone and the …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 ...You just screw them in place, and the r134a fitting from the fill/guage hose goes down inside and punches the original r12 shrader valve open. I will tell you, to be careful screwing the adapter on. They put a little o-ring in there to seal it to the r12 fitting, and the o-ring likes to roll up in a ball and tear if you tighten them too tight.You cannot contribute to either a standard IRA or a Roth IRA without earned income. You can, however, convert an existing standard IRA to a Roth in a year in which you do not earn ...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...This is Final video of the Ac conversion from R12 to R134a on my 1993 Chevy Silverado. Warning! Never Charge on the high side. When charging the high side on...Converting R12 to R134 OEM Tech Discussion. NAXJA Forums -::- North American XJ Association > NAXJA Unibody Jeep Technical Forums > Jeep Cherokee XJ (1984 - 2001) > OEM Tech Discussion: Converting R12 to R134R22 to R134a A/c Retrofit Fitting Adapter Kit, R12 R22 to R134a Conversion Adapter Kit for A/c Air Conditioner Refrigerant System Compatible with 1/4 SAE Thread (Gold) $1199. Typical: $12.99. Save 5% with coupon. FREE delivery Fri, May 10 on $35 of items shipped by Amazon. Or fastest delivery Thu, May 9.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 to R134a Charge Conversion Formula (pounds only) A charge level between 75% and 85% is recommended when converting from R12 to R134a refrigerant. If no conversion information is provided, there is an easy formula to calculate the difference in charge level. This works when the R12 charge specification is listed in pounds.If you have a bad part, its actually cheaper to go ahead and convert the system rather than pay $35/lb. for R-12 (R-134a is $7/lb.). I’d been wanting to convert to R-134a (Dupont’s name for R-134a is Suva) refrigerant for years, due to the high cost and eventual unavailability of Freon.The global warming potential of R134a is 1430. On the other hand, R12 has a global warming potential of 10,910. Hence, the effect of R12 on global warming is up to 10,000 times higher than carbon dioxide. A comparison between R12 vs. R134a temperature will show that R12 has a higher temperature than R134a.I have a 1991 Chevrolet K1500 which I want to convert from R-12 to R-134a as the A/C blows warm and the R12 is hard to service especially if dye needs to be added to source a leak which this truck may or may not have. I was told by a mechanic to convert it over to the newer freon as the dye he will add is only compatible with the R-134a.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.1982 Black over red, doing a resto. I'm doing a conversion from R12 to R134 on a 1982 Vette. I replaced the compressor ( new AC Delco), seals, hose assembly, and dryer. I had the condensor checked for leaks, resealed the heater box, installed a new heater core, checked and or repaired all vacuum lines, checked all actuators for operation ...Here is a quick way to help you get started with the precise formula: R12 Charge Specification x 0.9) – 0.25 lbs. = R134a Charge Level. So, for instance, if the R12 charge specification is listed at 2 lbs., then the R134a charge level would be 2 lbs. x 0.9) – 0.25 lbs. = 1.55 lbs.r134a and r12 systems have different recharge nozzles on the hard piping. I was able to convert the AC in my 93 Camry I4 to r134a from r12 for about $30 bucks in materials from PepBoys. The procedure is pretty straight forward. The issue is legally (and responsibly) discharging the remaining r12 in the system.You should use 1.75lbs of R-134a if it calls for 1.75lbs of refrigerant (the crap about using less R-134a vs R-12 on a conversion is BS). My '90 calls for 32oz R-12 + 10oz refrigerant oil, I put in 32oz of R-134a + 10oz PAG-46 and it blows a nice chilly 38° out the vents when 90° outside.The AC condenser for R12 is a little different than 134. I took the advice of an expert on my 81 corvette an went with a condenser designed for 134. car blew about 37 to 40 degrees out the vents in mid summer. All the o rings should be replaced on the line connections. 134 operates at a higher pressure.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.1982 Black over red, doing a resto. I'm doing a conversion from R12 to R134 on a 1982 Vette. I replaced the compressor ( new AC Delco), seals, hose assembly, and dryer. I had the condensor checked for leaks, resealed the heater box, installed a new heater core, checked and or repaired all vacuum lines, checked all actuators for operation ...You just screw them in place, and the r134a fitting from the fill/guage hose goes down inside and punches the original r12 shrader valve open. I will tell you, to be careful screwing the adapter on. They put a little o-ring in there to seal it to the r12 fitting, and the o-ring likes to roll up in a ball and tear if you tighten them too tight.Nov 8, 2019 · The old R-12 system took 4.25 lbs , so I'm going to start with 3.75 lbs of R-134A But what about the refrigerant oil? My new 134A compressor came with a 3 oz. charge. My original service manual states that the factory compressor should have 10.5 oz of oil.The r134a orifice tube is RED, blue is r12. Ask for a r134a orifice tube, they should give you a red one. Avoid Variable Orifice Tubes (sometimes called VOVs). They aren't necessary even in Florida. When you buy the Refrigerant get the basic r134a with NO additives. Its usually the cheapest they have and on the bottom shelf.R134 from what I understand is less efficient than R12 and must be run at higher pressures. If the new compressor is designed for R134, it would likely run at higher pressures. Regardless of what you put in it, the rest of the system may not be designed to handle these pressures. Thus, you could mix R12/R134 in an R12 system (R12 compressor ...Jun 17, 2023 · Converting an AC system from R12 to R134a involves several steps, including evacuating the old refrigerant, replacing specific components, and recharging the system with R134a refrigerant. To ensure a successful conversion, it’s essential to follow the correct procedures and use the appropriate tools and materials.Retrofitting R12 to R134a by Classic Auto Air. Classic Auto Air is your source for Model Specific A/C kits for 80’s & older Ford, GM, Mopar, Porsche, Custom Street Rods & more.4. Connect service station R134a and produce a vacuum over a period of approx. 30 minutes. 5. Carry out an initial leak check on the basis of the vacuum manometer (vacuum should be retained for at least 10 minutes) 6. Fill the system with the prescribed amount of R134a (approx. 15 % less than the R12 filling amount).abercanadian ( Larry Stephen) July 3, 2022, 9:01pm 7. This is an example formula I found for a Chevy S10 R12 system, hopefully it clarifies the amount you would need in a non-factory R134a XJ40 (R12) system. The molecular weight of R12 is 120. R152a is 68. A quick calculation, and 2.5lbs turns out to be 22.4oz.The guy finally showed me a kit to convert form R134a to R12a, which has a moisture remover can, a sealant can, and a R12a can. With this kit, I'm supposed to be able to do the conversion without any problem. I'll give it shot tomorrow, and let you guys know how it went. ´69 Mustang Coupe & now also a 95 GT.Griffiths' 928, R134a Conversion Kit, 1978-1986 - Deluxe includes all the basic items you will need to convert your 928 from R12 to R134a refrigerant, plus a new drier. Fits these Applications. The Kuehl Deluxe R134a conversion kit includes. We have been using ester type refrigerant oil in our conversion kits for the past 10 years.R12 to R134a Conversion Kit, 2 Pair R12 to R134a Convert Adapters, R12 to R134A AC Retrofit Fitting Adapter Kit, R12 to R134a Adapter Fittings, Fits for Car AC Air Conditioner Refrigerant System. 4.6 out of 5 stars. 11. $16.99 $ 16. 99. FREE delivery Sat, Mar 16 on $35 of items shipped by Amazon.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 ...And two addaptors to screw onto you factory A/C lines, $10.00 ( for the 134 charging hoses) When you charge your A/C system. Whatever the factory charge is. REMEMBER R-134 has a different expansion rate than R-12, So you use LESS. To get it to function and be just fine, You MUST go with the 80-Per.Cent charge.It is illegal to convert an R12 or 134a system to 1234yf. The industry has no tests or published information to establish cooling performance, reliability, compatibility, or an assessment of chemical damage to a system’s lubricant seals and hoses. And the EPA has approved the new 1234yf refrigerant only for new vehicles with systems designed ...What you need to convert R12 to R134a using the Quick/Easy. 1) R134a retrofit kit with R-134a port adapters, oi, port caps and retrofit label. 2) R134a pressure switches. Here's how to convert R12 to R134a with the factory method. 1) Discharge the R12 and recover the R12 for recycling.For R12, that switch should be adjusted to turn off the compressor when the low side pressure reaches 25PSI. For R134A, it should be adjusted to cycle the compressor at 21-22PSI. Turning the screw counter-clockwise lowers the pressure cut-off point. Turning it 1/4 of a turn lowers the point by ~3 PSI.Plasma Converter Parts - Plasma converter parts work to break down trash as efficiently as possible. Learn what the plasma converter parts do and see photos of plasma converter par...And two addaptors to screw onto you factory A/C lines, $10.00 ( for the 134 charging hoses) When you charge your A/C system. Whatever the factory charge is. REMEMBER R-134 has a different expansion rate than R-12, So you use LESS. To get it to function and be just fine, You MUST go with the 80-Per.Cent charge.An alternative to R-12, is a product called Freeze 12, which is fully compatible R-12 components and provides comparable cooling. Unfortunately, Freeze 12 can only be purchased by someone with a refrigerant licence (unlike 134a, which anyone can buy), so you will need an A/C repair facility to retro fit your system.Yes on the accumalator, change it. Otherwise it would be like changing the oil, but not the filter. The same switches will work fine. When you have the mechanicals done take it to a shop that can do a complete evac and recharge. No need for a flush if they do a system evac, plus they can do a leak check before recharging the system by seeing if ...833 posts · Joined 2012. #8 · Jun 25, 2012. Even with R134a, you will need the newer hoses designed for R134a. The R12 hoses do leak out 134a. The 134a hoses are barrier type to prevent this. It has to do with the size of the 134a molecule vs R12. RRGrassi--1990 D250 5.9 Cummins Getrag 5 speed.If you would like to convert a quarterly interest rate to an annual rate, you first need to determine whether you are dealing with simple or compound interest rates. And then, usin...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 ...R12 to R134 A High/Low AC Fitting Port Retrofit Conversion Adapter, Quick Coupler Valve A/C 90° Fitting, High and Low Side R-12 to R-134A Retrofit with 2PC Caps $11.99 $ 11 . 99 Get it as soon as Wednesday, Jun 5To convert your car's AC R12 system to R134a, only a few changes are needed, such as making the pressure ports, receiver drier, and pressure switches compatible with R-134a. To draw the refrigerant from the can, connect the blue hose to the low side port and open the system. Now below are some practical steps to convert R-12 to R-134a system.Type in r12 to r134a conversion in the search box. I got one on Ebay for about $6.00. When you replace the adaptor, be sure to replace the high pressure switch as well as the drier prior to evacuating the system. Perhaps I should start a new thread, let me know if this is off base, thanks.AC 134A Manifold Set . Retrofitting air-conditioning systems has been losing its popularity due to the decrease in automotive R-12 systems on the road, but I still see motorists asking questions about the proper way of converting their old systems to r-134a. I have looked at many converted automobiles with very poor performance after the work ...I'm converting from R12 to R134a. For R12, our cars take 33oz of R12 & 5oz of mineral oil. Now that I'll be converting to R134a, what's the correct capacity? I've read a few threads on this topic and I only found a single post saying you can't use 33oz of R134a.NA Miata AC - R12 to R134a. Hi, I have a 93 miata which has AC in it but has not been functioning ever since I got it. I am planning to change the seals and fill up new R134a refrigerant. Now the question I have is. How do I know if the compressor is for r12 or r134a refrigerant. If it is for r12 refrigerant would it be a problem if I use r134a ...Classic Auto Air is your source for Model Specific A/C kits for 80’s & older Ford, GM, Mopar, Porsche, Custom Street Rods & more.R-12 or R-134a can cause frostbite if the liquid refrigerant is sprayed on the skin or in the eyes. ... Any blend of R-12, R-22, or R-134a increases the system pressure and diminishes cooling. I have seen some R-134a conversion systems that did not have the R-134a style system service valves. Any blended refrigerants are very costly to dispose ...R12 to R134a conversion. My A/C compressor has gone out. I have a 1970 Mustang convertible with factory A/C. Engine is a 351C. I believe I have the York compressor. Somewhere down the line it developed a leak in one of the compressor seals and it is now making a grinding noise when the A/C clutch is engaged. The system has R-12 in it.If you have a professional convert the R12 to R134a, you may spend about $250 for the entire service. However, this is much more cost-effective than replacing the entire air conditioning system. If you were thinking about getting an R134a system installed, your cost would be around $2,000 to $4,000. Usually, … See more【PREMIUM QUALITY】 - R12 to R134A retrofit fast conversion adapter kit are made of high quality metal and plastic, solid construction for high heat resistance, durability and safety. 【EASY INSTALLATION】 - R12 to R134A retro fit fittings connect to the thread for use with the valve, there is a removable schrader valves., fitted with a ...BMW Refrigerant and oil capacity charts || TechChoice Parts. Oil and refrigerant capacity table for BMW vehicles. www.techchoiceparts.com. from there I got "R12: 53 ounces=1502 grams, mineral oil 6.75 ounces=191gram". since convert R134a system refilled to about 75% of original capacity, I got refill R134A with 39.75 ounces=1127 grams. Question 2:To convert R12 to R134a in your system there are only a few small changes you need to make to the system. The compressor that is used in your older R12 system luckily will still work R134a refrigerant and still be just as efficient. The condenser and evaporator are simply heat exchangers so they also do not need to be changed to run a …Re: How to convert from R12 to R134 on a 69 Camaro. I did a 134a changeover on a 69 a few years back and it works fine. I flushed ALL components with an A/C flush chemical first to remove ALL the old refrigerant oil. The older R12 refrigerant oils are not compatible with 134a. I replaced the receiver dryer, then added the right amount of 134a ...R12 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. 4.1 out of 5 stars. 54. $6.99 $ 6. 99. FREE delivery Sat, Jan 27 on $35 of items shipped by Amazon.About $450 in parts. Expect an AC shop to want to charge over $1000 to do the conversion. I had my R12 freon removed and after I change the parts (there's instructions in the kit) I have a vacuum pump and gauges to draw a vacuum and recharge with R134. Depending on how bad the leak is you may want to spring for a R12 recharge each spring.Certified A/C Pro R-12 to R-134a Retrofit Parts Kit with 4 Adapters is a complete automotive air conditioning conversion adapter kit that includes 4 adapters to fit all cars, all years. For automotive air conditioning conversion of R-12 to R-134a. Includes one low side 7/16 inch port, one high side 7/16 inch port, one high side 3/8 inch port ...1990 F150 AC 134a Conversion. I am a new member that is converting my 1991 F150 AC system from R12 to 134A. I changed out everything, but the evaporator core, which I flushed. I put a 134A type clutch cycling/pressure switch in. I evacuated and charged the system with 32 oz. of 134.R12 to R134a Conversion Kit, 2 Pair R12 to R134a Convert Adapters, R12 to R134A AC Retrofit Fitting Adapter Kit, R12 to R134a Adapter Fittings, Fits for Car AC Air Conditioner Refrigerant System. 4.6 out of 5 stars. 11. $16.99 $ 16. 99. FREE delivery Sat, Mar 16 on $35 of items shipped by Amazon.90 Degree R-12 to R-134a Low Side Adapter. Be the first to review this product. Availability: In stock. Part Number. V333. $5.76. 90 Degree R-12 to R-134a conversion adapter for the suction / low side of an A/C system. The adapter includes a new valve core which requires the removal of the original valve core. $5.76.FULL DESCRIPTION: R12 TO R134 CONVERSION R12 TO R134A CONVERSION A/C EFF. 1-122 THIS SB IS A FULL CONVERSION. RELEASED 3-27-00 LB REV 1 RELEASED 5-21-02. JB. Each delivered OEM part will meet the original manufacturer's specification or, if the part is not an OEM part, it will meet or exceed the original manufacturer's specification.Depending on the vehicle, there are two ways to access the bolts for the torque converter. There will either be a cover or plate at the bottom of the bellhousing that conceals the ...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 ...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 ...Jun 1, 2015. #8. R134a has a smaller molecule that seeps through old style hoses and seals. In other words, if your system has a minor leak with R12, it will be a major leak with R134a. Then there's the fact that 134a doesn't cool as well and there may be a compatibility problem with the compressor oil. R12 is around.R134a refrigerant O-rings are of a different composition than those for R12 systems. R-12 O-rings are black in color. R-134a O-rings are blue or green in color. Ester oil charge for lubrication (amount varies by model year). You can also use PAG (Poly Alkylene Glycol) or Castrol Retro Oil for lubricant. R134a refrigerant (amount varies by model ...This kit is designed for use with the newer 134a refrigerant. Please CLICK HERE for information on converting R12 systems to 134a; Any stock Pontiac V8 301, 326, 350, 389, 400, 455 engine with compressor mounted on passenger side (right-hand) of the engine. PLEASE MAKE SURE THE ENGINE FITS WITHIN THE GUIDELINES LISTED ABOVE. UNSURE?No on to "o-rings” to "properly" convert your R12 system. To R134A you will need to use "Esther Oil” synthetic based oil. This eats all of the old o-rings away so you will need to change around 12 o-rings. 4 for the compressor plate. 2 Barrier hoses to compressor. 2 for condenser side connections. 2 Dryer.Aug 11, 2019 · 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 ...Converting your car AC R12 system to R134a can significantly improve your driving experience, especially during hot summer months. As outlined in this post, the four-step conversion process involves checking your car’s compatibility with R134a, replacing the compressor with a compatible model, and swapping out the receiver drier and expansion ...AAM CHN&STR CONVERTIBLE&INC CE 21-2 CA- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies Stocks8 Pcs R12 to R134a Conversion Kit 90° High and Low Side R12 to R134a Retrofit Adapter Fittings High/Low Pressure R12 to R134a Retrofit Valve Fittings with Dust Cap for Car AC Refrigerant System. $1899. List: $19.99. FREE delivery Wed, Jun 5 on $35 of items shipped by Amazon.R12 to R134 A High/Low AC Fitting Port Retrofit Conversion Adapter, Quick Coupler Valve A/C 90° Fitting, High and Low Side R-12 to R-134A Retrofit with 2PC Caps $11.99 $ 11 . 99 Get it as soon as Friday, Jun 7CORRECT CHARGE AMOUNT - The typical 134a charge of a factory R12 system is 70-80% of the original R12 charge amount. NOTE - Ignore the sight-glass. A properly charged 134a system will likely show bubbles in the sight-glass. If your sight-glass is clear with a 134a charge, the system is significantly overcharged.The best way in the world to change from R12 to R134 is as follows: Have the R12 Vacuumed out (inorder to remove every last little bit.) REmove all the lines and replace each of the seals with R134A compatible seals. Replace the receiver drier with a new one that is R134A compatible.Buy R12 to R134a Conversion Kit, 2 Pair R12 to R134a Convert Adapters, R12 to R134A AC Retrofit Fitting Adapter Kit, R12 to R134a Adapter Fittings, Fits for Car AC Air Conditioner Refrigerant System: Air Conditioning Line Repair Tools - Amazon.com FREE DELIVERY possible on eligible purchasesMake 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...A per diem interest rate is one day's interest on a loan or mortgage. You convert per diem interest rates to compare rates from different financial institutions or for business fin...John. You can convert it to R134 with just a Schrader valve conversion (kits available at your FLAPS). However, it will not be as efficient as if you replace the expansion valve with a new one. The expansion valve is mounted on the heater box, and requires you remove the dash to access it.R12 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.Converting R-12 Air Conditioning To R-134a. Most compressor companies want proof of 95% removal of the mineral oil. You have to get an oil test at the beginning of this project and keep on changing the oil, pulling unit into a vaccum, charge with r-134a run for a while,stop unit reclaim gas take oil test until you get 95% (the majic number) of ...85% of the R-12 charge was what we used for the R-134a charge. The R-12's oil would just collect in the accumulator and sit there minding its own business. The world failed to end, component life was not measurably reduced, and 95% of the time the cars would still blow 35 degrees out the vents.Griffiths' Porsche 928, R134a Conversion Kit, 1987-1992 - Deluxe includes all the basic items you will need to convert your 928 from R12 to R134a refrigerant, plus a new drier. Fits these Applications. The Kuehl Deluxe R134a conversion kit includes. We have been using ester type refrigerant oil in our conversion kits for the past 10 years.Jun 12, 2021 · R134a is the most commonly used refrigerant to convert automotive air conditioning away from the destructive R12. It’s possible to convert from R12 to R134a without replacing the system’s components, so when R134a was brought out, it seems to be a good match to many automotive air conditioning issues.R134a is the most commonly used refrigerant to convert automotive air conditioning away from the destructive R12. It’s possible to convert from R12 to R134a without replacing the system’s components, so when R134a was brought out, it seems to be a good match to many automotive air conditioning issues.Buy QDJUNE R12 to R134A AC Fitting Adapter Kit, R12 to R134a Conversion Kit, R12 R22 to R134A High/Low Fitting Port 1/4In to 7/16In Conversion Adapter, Fits for Ac Valve Core Kit: Air Conditioning Line Repair Tools - Amazon.com FREE DELIVERY possible on eligible purchasesDIY: R-12 to R-134a Conversion (How-To) This DIY guide is to help those who wish to convert their working but leaking or non working A/C systems on the MK3 Supra from R-12 to R-134a. First below are a list of tools, new parts, and supplies you'll need in order to follow this guide. Tools:Contrary to popular belief, most cars originally equipped with R-12 can be converted to 134a and still keep you just as cool. Understanding the basic type of a/c systems GM …Certified A/C Pro R-12 to R-134a Retrofit Parts Kit with 4 Adapters is a complete automotive air conditioning conversion adapter kit that includes 4 adapters to fit all cars, all years. For automotive air conditioning conversion of R-12 to R-134a. Includes one low side 7/16 inch port, one high side 7/16 inch port, one high side 3/8 inch port ...Using the specs for the current system, multiply the R12 charge by 0.9 or 90% to determine the refrigerant capacity. From this number, subtract 1/4, or 0.25 pounds. R134a won’t provide the same level of cooling as R12, though. You might find that the system doesn’t get as cool even after properly charging it. Convert refrigerant to R134. Just had a chevy dealer convert my 1984 ElCamino AC from R12 to R134., It w

You really need to change the receiver / dryer and flush the old mineral oil out of the system with an AC flushing solution. Mineral oil is not compatible with R-134A systems. Ester oil is what I normally used for R-134A conversions on other makes and it is compatible with both R-12 and R-134A systems.This works when the R12 charge specification is listed in pounds. Take the R12 charge specification and multiply it by 0.9. Then, subtract that result by 0.25 pounds to get the proper amount of R134a charge. Formula: (R12 Charge Specification x 0.9) – 0.25 lbs. = R134a Charge Level.Griffiths' Porsche 928, R134a Conversion Kit, 1987-1992 - Deluxe includes all the basic items you will need to convert your 928 from R12 to R134a refrigerant, plus a new drier. Fits these Applications. The Kuehl Deluxe R134a conversion kit includes. We have been using ester type refrigerant oil in our conversion kits for the past 10 years.90 Degree R-12 to R-134a Low Side Adapter. Be the first to review this product. Availability: In stock. Part Number. V333. $5.76. 90 Degree R-12 to R-134a conversion adapter for the suction / low side of an A/C system. The adapter includes a new valve core which requires the removal of the original valve core. $5.76.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.After you get everything bolted back up make sure you coat all the o-rings with ester glow oil before reassembly. Now go bring the car to a competent AC shop and have them evacuate them system than re-charge with R134a (use 75-80% capacity of the R12). Hope this helps. My dads 85S blow pretty cold on 85 degree days.What you need to convert R12 to R134a using the Quick/Easy. 1) R134a retrofit kit with R-134a port adapters, oi, port caps and retrofit label. 2) R134a pressure switches. Here's how to convert R12 to R134a with the factory method. 1) Discharge the R12 and recover the R12 for recycling.Cost of Converting an R12 to the R134a System. It will generally cost you about $200 to have a mechanic convert an AC system for you. If you want to replace a vehicle’s AC system, it will cost between $1,500 and $4,000 with an average cost of $2,750. If you decide to have a professional work on your car, you will have several options for ...When converting an R12 system to 134a, charging amounts vary from system to system. A good starting point for charging 134a on your freshly converted system is typically about 70% of the original R12 charge, and the final charge amount will be no more than 80%. You may need to add or subtract a little, depending on your gauge readings & vent ...Feb 24, 2023 · Step 5. Step 5 requires connecting the high and low port adapters and recharging the air conditioning system with R134a refrigerant. After doing the final step, make sure that everything works well and you are good to go. That’s how R12 to R134a conversion is done professionally.The Shop that has "tried" the R134 conversions on 2 classics said use R12, even though the R12 would cost around $300.00. They said the 72 Olds Cutlass they converted to R134 was so "bad" that the owner had them convert it back to R12 again. He paid the cost for both R12 & R134 + labor!134A uses ester oil. The R12 used synthetic or mineral oil. The ester does not like any other lubricant. When converting CB units (just like auto units but larger) we remove the compressor tip it toward the fill plug and drain all the old oil...fill it back with the correct amt of 134A oil. reinstall flush with 30psi of dry nitrogen 3 times and then pull system to 500 mircons vac. recharge ...A/C Service Port Adapter, Retrofit, R134a, Low Side, 7/16-20 in. x 13mm, Straight, Each See More Specifications. Four Seasons Air Conditioning Retrofit Service Port Adapters 59976 FSS-59976. Not Yet Reviewed. ... They are designed for use in converting R12 A/C charging port fittings to accept R134a hoses with 13mm and 16mm quick-disconnects ...R. RON19881212 Discussion starter. 7 posts · Joined 2017. #3 · Aug 31, 2017. Update, Hi, I realize now, that that condenser is a "Serpentine" condenser and that R134 will supposedly work 40% better with a "Parallel" condenser. Apparently Jeep switched over in 1997.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.R12 will vastly outperform R134a in this vehicle. While the manufacture of R12 is banned, the distribution, sale, and use of R12 is legal by licensed technicians, if proper service methods are employed. Try calling automotive shops in your area that specialize in A/C repair.This kit can be used to help convert 1990-1993 R12 air conditioning refrigerant over to R134 refrigerant. This kit includes a new reproduction air conditioning drier, R134 retrofit conversion fittings, and R134 compatible O-rings. The fittings are a low side 90 degree elbow adapter fitting and a high side adapter fitting. Fits 1990-1993.R134a will leak out of the older R12 hoses and O rings. The new R134a hoses and O rings are made out of a different materal made for this refridgerant. Enviro-Safe works with older hoses and O rings and compressors. It comes in 6 OZ cans and does not take as many pounds to do the same job as R143a. Check it out ENVIRO-SAFE.If you would like to convert a quarterly interest rate to an annual rate, you first need to determine whether you are dealing with simple or compound interest rates. And then, usin...Hot shot r-414B is the best replacement for r-12 I've used. works great on ge refrigerators, cars etc. use 80% to volume or if you would normally use 10 oz of r-12 use 8 oz r-414b and you don't have to worry about oil compatability. Reply. 06-15-2004, 08:04 PM #7. jeffcolledge.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 ...Buy R12 to R134A AC Retrofit Fitting Adapter Kit, R12 R22 to R134A High/Low Fitting Port Retrofit 1/4'' to 7/16"-20 UNF Conversion Adapter, Fits for AC Air Conditioner (A/C Adapter Valve Core Kit): Air Conditioning Line Repair Tools - Amazon.com FREE DELIVERY possible on eligible purchasesOct 5, 2018 · This video covers the basics on R12 to R134a conversion, as well as some things to consider before and while converting your system.----If this video was hel...If you can't find one, I have seen a R-12 /R134a conversion kit (a connector with 7/16" R-12 on one side and the 13mm quick connect R-134a on the other) at the hardware store, you can get that and then a R-134 hose. Cut the hose and clamp it to the torch nozzle (see pic) and then into the cannister and the compressor.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 ...The reasonable way is to replace the R/D, blow out the oil in the condenser, replace with PAG oil, deep vacuum, then charge with R134. The problem is that R12 does not need as much compression as R134, so it wears the compressor faster and does not provide as efficient cooling. In the big picture, you are probably better off staying with R12.You don't need to change much except replace the r-12 AC fittings with r-134a fittings and replace the drier. It's probably a good idea to change the expansion valve and system orings. If you live somewhere very hot, you may want change the pressure relief valve on the 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."A short video covering tips for retrofitting older A/C systems to R134a. It's not as simple as adding R134a refrigerant. Be sure to use proper fittings and s...Whenever an R12 to R134 conversion has been done by a PO, it's impossible to know for sure if the original mineral oil was totally flushed from the system, if it was replaced with PAG (R12 incompatible) or ester (compatible) oil, if o-rings were changed, and other unknown questionable procedures.It was 90 degrees outside today and the air was blowing at 44 degrees on low max compared to 48 three weeks ago. '80-'86 FAQs (Frequently Asked Questions) - A/C Conversion R12 to R134 - I have converted my 1983 f-150 to 134 refrigerant. It does not blow as cold as the r12.Jun 12, 2021 · R134a is the most commonly used refrigerant to convert automotive air conditioning away from the destructive R12. It’s possible to convert from R12 to R134a without replacing the system’s components, so when R134a was brought out, it seems to be a good match to many automotive air conditioning issues.Features: Saves time and effort, can be used with the valve through the threaded connection. For R12 to R134a conversion. R12 to R134A retrofit adapter made of heavy duty aluminum for durability, safety, and long service life.I thought that I had heard the same thing, but when I converted my 92 system to R134A, I checked part number and availability on the autozone web site for my 92 (orginally R12) and for a 95 (R134A). The autozone part number was the same for both models (38623). I put this orifice tube (expansion valve) in when I did the conversion and it works ...R12 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 Thu, May 16 on $35 of items shipped by Amazon.The molecules in the R134 refrigerant are smaller than the R12 molecules and will leak more easily through the walls of an R12 hose. It us suggested that R134 "barrier hoses" be used with this type of refrigerant. Rick. Sent from my SM-G965U using Tapatalk. 70 El Camino, 5.3L LS Engine, 4L60E Transmission.38 posts · Joined 2005. #9 · Jul 26, 2005 (Edited) R-134a runs at a higher head pressure than R-12 does. Higher pressure = higher temperature. - When you have a higher temperature gas leaving the compressor and entering your condenser, you will need to have more airflow to cool it down.Bottom line, the R134a stuff sucks, and I want to convert it back to r12. My AC Compressor just went up so I figured this is my chance to do this. I already have 4 cans of R12 I got from eBay, the adapter, and compressor oil for R12 system. I can remove the r134a adapters for the high and low ports.Buy Fourtry R12 to R134a Conversion Fitting Adapter Kit - R12 to R134a Retrofit Kit with High/Low Side Fitting, Conversion Kit with Fitting Port 1/4" to 7/16" Fit for Car A/C Air Conditioner Refrigerant: Air Conditioning Line Repair Tools - Amazon.com FREE DELIVERY possible on eligible purchases1 hour. What You'll Need. R-12 to R-134a retrofit kit. A/C flush. Refrigerant oil. R-134a Refrigerant. Thermometer. Wrenches. Safety glasses. Gloves. Steps To Convert R-12 to R-134a. 1. Take the vehicle to a repair shop …Problem is, a lot of people that do this conversion and seem happy with it, don't realize how cold a properly charged a/c system can get. A properly working R134 system will get extremely cold but takes longer than R12. A properly working R12 system can drop cabin temp as low as 35-40 degrees in just a few minutes.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.Certified A/C Pro R-12 to R-134a Retrofit Parts Kit with 4 Adapters is a complete automotive air conditioning conversion adapter kit that includes 4 adapters to fit all cars, all years. For automotive air conditioning conversion of R-12 to R-134a. Includes one low side 7/16 inch port, one high side 7/16 inch port, one high side 3/8 inch port ... This kit includes a remanufactured compressor which will operate with R134A Refrigerant, a drier, an evaporator orifice