How to recharge r12 ac system. 0 Resto A/C conversion kit.

How to recharge r12 ac system. May 19, 2025 · Maintaining optimal performance in an air conditioning (AC) system relies on the correct refrigerant charge. Let me help you get the answers you need to your question Trying a AC recharge for my 09 bmw 328i tonight. There is a reason that auto manufacturers don't use flammable refrigerants in passenger vehicles, and I think the reasons are obvious. We’ll explore different refrigerants, essential tools, and safety equipment you’ll need to get the job done. Recharging your car’s AC system with an AC recharge kit is a process that requires following safety precautions and knowing when professional service is necessary. This video shows you how to convert your vehicle's A/C Jan 14, 2016 · Does your vehicle need an AC recharge? Learn how to recharge your car’s AC system with this comprehensive guide from YourMechanic. R134a Refrigerant The R134a refrigerant is a key component in converting your car’s AC system. Mar 12, 2025 · Over time, refrigerant can naturally dissipate or leak from the system, leading to poor performance. We offer an A/C Evacuate and Recharge, where we void the air conditioning system of old refrigerant and then recharge the system with new refrigerant. com LOW REFRIGERANT If your air conditioner is not cooling well because the system is low on refrigerant, recharging the system with refrigerant should restore normal operation. Questions are : Is it safe to put this R12a in a R134a Jul 7, 2023 · Learn how to add refrigerant to your AC system even when the compressor isn't running. 5K subscribers 89 Jul 7, 2017 · In the case of this guide, our Fox Body has an R12 weight amount which is slightly different because this system has been converted to R134A refrigerant using a premium 5. Recharge your AC system properly. System lubrication: Majority of automotive manufacturers recommending PAG (Poly Alkaline Glycol Jun 20, 2013 · Hello friends, I have a question about converting the old R12 system to R134 system for my 91 Volvo 740. I dont know how to tell if the compressor is engaging when I turn the AC on. Jun 29, 2011 · I have a few cans of the ever-so-rare R-12 refrigerant left over and I want to add it to my 69 Barracuda. This guide walks you through the process safely and effectively. If it's just low on freon, from say a very minute leak then you can charge it with the vehicle running and the A/C on max. I would stick with R12 if you can get the system recharged for a reasonable price. I just wanted to know if i could get r12 to 134a adapters to put on my ports just for the sole reason of fitting on this quick connect couplers from this manifold set. It goes though the steps of checking to see it the system has no leaks by pulling vaccum and letting is sit all night, changing out the Sep 2, 2010 · Hi, I have a 69 factory AC system with my 351 motor. Over time, refrigerant can leak or degrade Aug 2, 2011 · Note: also put in 3 cans or R-12 at this point (note: all seals have been replaced in the A/C heater vent system, and the heat shut off valve in the engine compartment is new and functions correctly. And if it would be possible to recharge with r12 after doing that. In this article, we'll show you how to recharge your car's AC in a few simple steps. Discover the process of converting R12 refrigerant to R134a system for your air conditioning system with our comprehensive R12 to R134a conversion chart & formula. Especially R12 systems are to old to mess with nowadays, if you are not a pro. Calculate the refrigerant charge and check the system pressure. It i Mar 19, 2025 · A properly functioning car air conditioning (AC) system is essential for a comfortable driving experience, especially in hot weather. Oct 13, 2022 · Charging your A/C for your Classic vehicle is a critical step in the installation process. Understanding the correct type of refrigerant — like R-134a or R-12 — is essential for keeping your AC efficient and effective. The vehicle in this video had too Apr 14, 2013 · Once you understand the system, and have the necessary parts on hand, the steps for completing the conversion are generally as follows: Remove any remaining R12 refrigerant in the system by taking your vehicle to a licensed air-conditioning professional. Before 1995 most vehicles came with R12 refrigerant in the air-conditioning system. The Emzone AC Recharge kit was used to recharge the system on a Toyota, which came with R134A refrigerant. Conversion to R134A would be a viable option, but requires a new filter/dryer, valve and line connectors at the least. Mixed in with the refrigerant is a Feb 5, 2007 · I just got a fresh evac/charge with R12 (2. Step 13: The ac compressor will not switch on without pressure in the system, and this initial can charge will be enough now for the compressor to activate. This is not a conversion to the new "environmentally friendly" stuff. You can also visit any AutoZone store and talk to an AutoZoner for advice and details on the right AC Apr 15, 2024 · A vacuum down and recharge service is meant for repairs and/or full service of a car's air conditioner system. In days of old, the R12 would be exhausted through the gauge set with the charge How To Recharge Your Car's Air Conditioner by Larry Carley copyright AA1Car. Apr 13, 2015 · -Evacuate the system if you have AC charge equipment or have a shop do it. Finally, close off the refrigerant can and check for any leaks. Sep 19, 2021 · 2 Using substitute refrigerants like the OP's R12a is certainly viable, but, as others have noted, that stuff is flammable, which regular R12 and R134a are not. I had my mechanic look at it today and he said it was "about 2 cans short". Putting R-12 in a known leaking system is illegal. This guide will explain the signs of low refrigerant, the steps to recharge car AC, and provide tips to avoid common mistakes. Apr 26, 2018 · Learn how to convert your car's R-12 system to R-134a using these two methods; the factory method and the easy method. Apr 5, 2016 · Maybe your air conditioner has decided to quit or you would like to change from the freon based a/c system of old. Which means that the cars built after 1994 use R134a refrigerant. R12 refrigerant Jun 4, 2018 · Today we recharge an R12 car air conditioner with real R12. Jul 28, 2025 · Older R12 ports differ from modern R-134A and R-1234YF, so you need the right ones when recharging a car’s AC system. 134a compressor, original style condenser and evaporator, and associated equipment is new or flushed clean. Credit: www. Oct 5, 2024 · Charging a refrigerator with R12 refrigerant can be a complex process that requires precision and adherence to safety guidelines. Once the compressor has kicked on you will notice the low side pressure start to drop and the high side start to Jul 8, 2021 · How Do You Fix Your Car’s AC? Once you decide to recharge your car’s AC, ideally you should head to a professional garage that has the required equipment and training to deal with air conditioning systems. R12 is very hard to find, and its availability is very low as it is no longer used. Charging the R12 AC system is necessary to ensure that it functions properly and provides adequate cooling. R12 molecules are larger than R134A. Evacuating and recharging the car AC system is a crucial step in maintaining the overall performance Jan 23, 2023 · To convert your car’s AC R12 System to R134a, you must first evacuate the R12 refrigerant with a and then use an to inject the new refrigerant. A/C RECHARGING PRECAUTIONS First, wear safety In this video I explain all the parts necessary to replace the old R12 ac system in a 1988-1993 chevy/gmc c/k series trucks. Check with a qualified HVAC shop, they might evacuate the system for free or maybe even give you money for letting them recover the R12 and sell it to a customer who needs it. Jan 25, 2024 · To recharge an R12 AC system, first, locate the low-pressure service port on the system. . May 13, 2011 · No you can not recharge an AC system equipped with R-12 unless you are a licensed technician. Aug 21, 2007 · Well if it's empty, you'll need to find the leak and fix it. Or use a different Oct 27, 2023 · How to Recharge Your Car’s AC System (Fast and Easy) Conclusion Recharging the air conditioning in your car is a relatively simple process that can significantly improve your driving comfort during hot weather. Discover how to recharge the car AC with our step-by-step guide. When acquiring the refrigerant, check for the quality and authenticity to ensure compatibility Low refrigerant levels can prevent your vehicle's air conditioning from working properly, but that isn't the only thing you need to check. It’s likely that the air conditioning system in the car you drive presently still uses R12 if it was manufactured before 1994. Start at seventy-five percent of the R12 weight and go up from there until the system is properly charged. Cars manufactured prior to 1995 originally came with R-12 Freon, a refrigerant that was discontinued due potential ozone damage. This tutorial is specifically for the R134a type of refrigerant that newer use. Apr 8, 2021 · I have a 1977 Ford LTD with a 351 Windsor that I've driven for about ten years. In this video we are going to take a look at what it takes to clean out a contaminated A/C system. com/Aarons-Automotive-1220284951318 Aug 5, 2005 · Well, I learned a lot while troubleshooting and re-charging my SEC's AC system. I recently had to recharge the refrigerant in my car’s air conditioning system and after researching various options, I decided to purchase an R12 Refrigerant Recharge Kit. Recharging an automobile air-conditioning system is rather simple, however, R12 refrigerant is Understanding R12 Refrigerant Before diving into the process of adding R12 refrigerant, it’s crucial to understand what R12 is and why it was once the go-to choice for air conditioning systems. I live in Canada and we cannot buy R134a unfortunately, we have these R12a recharge kits instead. reddit. I searched high and low through the forums and it took a while to assimilate all the details. There are a handful of things at work. We then inspect the car A/C system's pressure and temperature control to make sure Jul 9, 2025 · This is the most common problem in converting original R12 systems to the newer 134a, as the proper 134a charge rate is typically between 70 and 80 percent of the original R12 charge rate. 5lbs) in my '92 Previa for $180 at my local A/C guy. I go though all of the steps on how to safely charge your air conditioning system with refrigerant. com Video Tags: how to, vacuum, recharge, ac, system, ultimate guide, how to pull a vacuum, pull a vacuum, pull a deep vacuum, hvac, r134a, refrigerant, recharge ac system, add Nov 28, 2010 · R12 - "freon" has a significant ozone depleting effect. How to recharge r12 ac system?Here's a short introduction about myself, Hello everyone, I'm Delphi. (usually the blue one). Older R-12 systems need retrofitting to run R-134a, and R-134a is incompatible with newer R-1234yf systems. Whether you are a homeowner or HVAC professional, knowing how to properly charge an AC unit can prevent costly damage, ensure efficient operation, and enhance comfort. Mar 19, 2025 · When it comes to maintaining your vehicle’s air conditioning system, understanding how to charge R134a refrigerant is crucial. R134a (NOT called freon) has NO ozone depleting effect they both have global warming effects. I would urge you perform safe practices when working with AC and avoid venting refrigerant int Jul 13, 2016 · Can anyone direct me to a shop in Western MA, CT, or Long Island which still has R12 (not the Freeze 12 substitute , but R12?) My car (1982 Toyota Cressida) could use a recharge, but I want the original R12! I’ve been told by many that converting to 134a is NOT the way to go, as it’s not as effective. I have heard some people say keep the can upright while others say tip it upside Apr 14, 2010 · Learn about air conditioner Freon and how to recharge your home AC by refilling the refrigerant. ) I have all the correct A/C charging system hoses and pressure gauges and can read hi and low side both as required I have 3 more cans of R12. Otherwise, you'll have to flush the system, drain out the compressor oil and replace with PAG, and change the accumulator (you need fresh desiccant) before you can convert to R134A properly. I can further go into more details if anyone needs help message us and And for reference R12 is Dichlorodifluoromethane Now as stated previously there are multiple videos on youtube of people recharging AC systems with r152a and its not any different than charging the system with traditional freon. com Introduction How To Retrofit an AC System R-12 to R-134a -EricTheCarGuy NEVER Recharge Your Car's AC System Until Watching This! Doing This Will Make Your Car's AC Blow Twice as Cold May 13, 2011 · How to recharge my R-12 air conditioning system? Discussion in ' The Hokey Ass Message Board ' started by Rockworthy, May 13, 2011. Learn about the costs of an AC recharge and other associated services. R134a must be used as a replacement for this refrigerant because . Some old R12 condensers are too small for their design type, and can't efficiently dump enough heat. You can convert your AC system to R-134 yourself, once the R-12 is dealt with correctly. In the case of air conditioning, the equipment at work consists of a compressor, hoses, evaporator in the cab, a condenser in front of the radiator, system drier, flow valves, and a refrigerant (R-12, R-134a). May 23, 2025 · Is it really possible to convert your car’s AC R12 system to R134a? Yes, it’s possible, and you’ll get to know how to convert it. This is a comprehensive video that will teach you precisely how to service an A/C system in your car or Do you have a car A/C system with R12 that needs a recharge? Don't convert it to R134A. This guide provides step-by-step instructions, safety tips, and advice for Americans looking to understand and manage How To PROPERLY Flush and Recharge A Contaminated AC System. System was a can low so why not add some. May 20, 2024 · Does your car's AC stop blowing cold air? If so, it may be time to recharge the refrigerant. Sep 26, 2025 · In this video I explain and demonstrate how to recharge the refrigeration A/C system with R12 in a 1993 C4 Corvette with the LT1 engine. Feb 1, 2021 · Got a classic ride that you're restoring, but the A/C doesn't work? We've got some tips on how to convert your A/C system from R-12 refrigerant to R-134a. Converted systems have a 134a style adapter fitting that screws onto the R12 fitting, so it's possible the car was converted with out replacing any of the existing hardware meaning you might not see any new parts to signify the change. This guide is different than simply adding refrigerant to the AC system and includes a more in depth service. Cars manufactured after 95, and older systems requiring re-charging contain a more ozone friendly refrigerant known as 134a. You can recharge the system yourself with a charging kit and some refrigerant, as long as your car uses r134a Nov 24, 2014 · Once considered a luxury, air conditioning in machinery is now a necessity, demanding the same maintenance management as an engine or transmission. Understanding Refrigerants We need to start with the heart of the AC system: the refrigerants. It was commonly used in older cars and homes before it was phased out due to its harmful impact on the environment. The following is about all the Mar 10, 2025 · If your car's air conditioner isn't blowing cool air, then you've likely lost some of the refrigerant, usually due to a leak. Nov 22, 2022 · Here, you will learn how to convert R12 to R134a refrigerant with seven quick steps, including a conversion chart, and a conversion formula. Then recharge with R134a and PAG oil. Most vehicles built after 1994 use R-134A or a variant. Fill without jumpering the low pressure switch. Apr 25, 2025 · Feeling the heat as you cruise down the highway , but your air conditioning system is blowing warm air instead of a refreshing chill breeze ? Don’t sweat it – recharging your car’s AC refrigerant is a straightforward process that can get your AC system running cool again without a trip to the mechanic . I would stay away from them for the same reasons. Questions about system Jul 25, 2025 · Learn how to recharge car AC, maintain compressors, and choose refrigerants for cool comfort. Over time, your AC may lose refrigerant, reducing its cooling efficiency. If you May 17, 2021 · Getting your AC blowing ice-cold air used to mean a recharge of Freon, also known as R12 refrigerant. The car ac recharge cost can vary depending on the location, independent vs dealership, the type of refrigerant, labor rate, and the capacity of your AC system. I have vintage R-12 freon to install, but I need to know: 1) What kind of oil to use, 2) How much oil to use, 3) What places to pour the oil in. Today we are showing you exactly how to vacuum down and recharge an air conditioning system. Jun 4, 2020 · Newer hybrid and electric vehicles with electric motor driven high-voltage air conditioning compressors require special lubricant, which is incompatible with the oil in most DIY air conditioning recharge kits. This can usually be done with a few cans of refrigerant and a simple service hose connection. It’s essential to verify the correct type and quantity required for optimal performance. Beyond that, YMMV. You will need to purchase the appropriate amount of R134a refrigerant based on your vehicle’s specifications. I know almost nothing about the condition or the history of the system. Common types include R134a, R12 (older vehicles), and the newer 1234yf Retrofitting AC systems is something that has been done for many years now. 6 oz). Remember to gather the necessary equipment, prepare the system properly, connect the gauge and dispenser carefully, follow the manufacturer’s guidelines, and test the system after refilling. But now you'll probably use R134a. in todays video i show you how to recharge an R12 AC system with liquid propane AKA R129my facebook: https://www. Jul 14, 2024 · R12 AC System is a type of air conditioning system that uses R12 refrigerant to cool the air inside a vehicle or a space. Remember to prioritize safety Jun 4, 2025 · R12 to R134a With the phase-out of R12 (1st January 1996) many compromises have to retrofit to R134a. No direct “drop-in” replacement is available, even alternatives such as ternary blends require the replacement of components such as “O” rings on some systems, filter dryers or accumulators. Learning how to recharge car AC can help restore its performance and keep your vehicle’s interior cool. Always prioritize safety and consult a professional if you are unsure about any step of the process. Not legal in USA and probably not recommended in a vehicle you plan to evacuate through someone’s equipment. 3% less R134a than the system capacity for R12, because R134a weighs less so you get the same amount of gas particles for the lower weight (and therefore a similar operating pressure). By recognizing the signs of a low refrigerant level and following the steps outlined in this guide, you can enjoy cool, refreshing air while on the road. If your air conditioning is no longer cooling as well as it once did, then chances are you need to recharge the refrigerant in the system. Turn on the air conditioner and check for any leaks after charging the system. Signs Your Car’s AC Needs a Recharge Watch for these common symptoms indicating low refrigerant levels: Air not blowing cold Longer cooling times Strange noises Let's start bringing the AC systems for the 1987 Porsche Carrera 911 and the 1985 Chevrolet Camaro California IROC back to coolness with a revival of the R12 refrigeration systems. I've posted this question in the 740's section but didn A/C Recharge Services at Firestone Complete Auto Care If you're in need of a car A/C recharge service, look no further than Firestone Complete Auto Care. I have read that you are supposed to get your a/c system vaccumed/purged to remove the r134a from the system before recharging with the R12a. Nov 21, 2005 · R12 fittings have threads to screw on the charging hose, 134a fittings are a quick-connect push on type. Feb 10, 2023 · I can get r12. Hardware wise, it's a case by case basis. Apr 14, 2025 · The air conditioning system in our cars is designed to provide a comfortable and cool environment, especially during the hot summer months. If you are unsure or have any doubt you should read the Classic Auto Air charging checklist page or take your vehicle to a licensed a/c technician to ensure that your new system will perform at its peak and that your compressor will not be damaged. I think this applies to the entire planet In this video, I show you how to refill your AC refrigerant in your car. Using more than one can of freon. May 13, 2011 · Hello friendly forum! My car has the old-school R-12 style air conditioning system. A 1975 Corvette came originally charged at 3 lbs of R12 from the factory, so you would need between 33 and 38 oz of 134a (3 lbs = 48 oz x . Jun 15, 2024 · Interested in upgrading your car's AC system from R12 to R134a refrigerant? This step-by-step guide covers everything you need to know about converting your old R12 system to the more Jun 10, 2008 · If your system has R12, you absolutely cannot just evacuate it. When the engine was apart, the AC system was evacuated and never re-charged. You SHOULD replace all of the orings with new HBNR orings. How do you go about it? Where do you get the parts? Can you do it yourself? This article will answer all of these questions. For the most part the rules are the same for all refrigerants, but in some cases, there are differences for those that have ozone depleting effects. User R12 compatible oil and it's a very good product. Nov 9, 2024 · By following this step-by-step guide, you can safely refill R12 refrigerant and effectively maintain your cooling system. The key to recharging your car AC is adding the right amount of refrigerant and Apr 18, 2017 · The system still had pressure so we just filled it up with 2oz of compressor oil (compatible with R12) and about 12oz of R12 We ended up closely monitoring the high pressure side to make sure we are not overcharging the system. hook the yellow one to the bottle of R12 (very very expensive Jul 19, 2011 · I have to say though I've seen some R12 systems run R134a still to this day and others like you mention, not last long at all or leak horribly. This is the The A/C system in many older vehicles needs to be converted from R12 refrigerant to R134a refrigerant. I asked him if he would recharge it but he says they don't do the old R-12 systems and doesn't know anyone who will! So I'm Apr 25, 2025 · Essentials of AC Recharge When recharging your car’s AC, it’s crucial to understand the types of refrigerants used and the role of the compressor in the system. Aug 10, 2016 · This video will show you how to recharge a R12 AC system. FOLLOW UP VIDEO (Discussing Vacuum Pump) • Follow Up to Charging A/C System on 1980-9 In this video I charge the air conditioning system in my 1996 Ford F-150 XLT with a 5. Refrigerant is harmful to the environment if it’s released freely into the atmosphere, which is illegal to do in almost every Lets address all of the comments about R134 converting. Jul 7, 2016 · Adding R12a refrigerant to the R12 system: It's basically the same procedure as adding R12 except you must screw on the R12-to-R12a quick-connect adapter fitting pictured below (included in the kit) to the LOW suction service port first. It had been atleast six years since the system was even looked at. Simply get an adapter, buy some R12 and recharge it yourself. Dec 31, 2017 · Having said that, the suppliers are proponents of sneaking in a can of this with old R12 systems and not so old R134A systems. What is the proper way to do this? I have the proper old R-12 hose but no pressure meter attached to it. Jan 5, 2019 · Refrigerant charging is the process of adding or replenishing refrigerant in a refrigeration, air conditioning, or HVAC (Heating, Ventilation, and Air Conditioning) system. Given that AC problems are such a common issue with our Apr 25, 2025 · Understanding AC Recharge Kit Components To recharge an AC system, knowing the components of an AC recharge kit is crucial. When R134a converting, you NEED the correct adapter fittings. There also seems to be a lot of confusion around this topic. Jul 9, 2025 · We sometimes receive questions from owners wondering what type of refrigerant is in their air conditioning system. However, when the system breaks down, it can lead to a range of issues, including reduced airflow, strange noises, and even damage to the system itself. The parts are readily available from Zip Corvette Parts, 8067 Fast Lane, Mechanicsville, VA 23111, (800) 962-9632. 70 = 33. Though I actually have seen DIY AC refill kits (even for R12) at Wallmart when I was in the USA, I would strongly recommend against tinkering with the AC system yourself. A modern This video can show you the basics of recharging an AC system. Because of this, it May 2, 2019 · C4 General Discussion - How to convert 1988 R12 AC System to R134A? - I have visited numerous websites offering Conversion kits, everything from a cheap do it yourself which includes thread on fittings to be able to charge with 134 and includes a flush solution and new ester oil, to the higher priced kit (which I Showing how to recharge the Air Conditioning system of the Dodge Ram. The last thing I want Charging an R12 auto air conditioning system. 0 Resto A/C conversion kit. -Enjoy -- GinkoSolutions. You will have to find the low side service fitting and hook the low press hose from the manifold that you were loaned to it. If your system is indeed low refrigerant, that’s an indication there is a leak present, causing your refrigerant to be lost. Mar 10, 2000 · Just be sure to vacuum the system down and follow the recharge instructions as to how much refrigerant to use to charge the system. These elements ensure effective cooling and system longevity. You should use 15. Jul 10, 2004 · Hey all, I'm attempting to recharge a 1987 300D with R12 - the car fortunately has not been converted and I do NOT plan on doing so! Anyhow, I got my Apr 20, 2024 · The real AC guys at my work chimed in, said he had not really heard of that gas 152a (or the common duster gas use) , so he pulled the data from it and said it will not hurt your system. Nov 19, 2022 · You will know how to recharge your car air conditioner with six steps from inspecting the system to adding refrigerant including the pressure chart. I've decided that I want to start using the AC in the vehicle, and I want to use the original R12 refrigerant. In 1996 systems were switched over to R134a from R12 refrigerant. Freon is a refrigerant which helps your AC unit release cool air. Turn the car on, select the AC to be on, and set the ac fan speed to high. Jul 4, 2023 · 1982 Mercedes 300TD - Part 4 R12 Air Conditioner Recharge woodsandbarclay 14. I'd say it depends on the over all condition of the system in the first place. I was not able to find a shop with an R12 AC charging system. Jun 29, 2012 · Save money and recharge your car AC system yourself with an R-134a kit. They now have a complete R134A Conversion Jun 17, 2014 · A DIY how to on recharging an automotive air conditioning system. 0 L V-8. facebook. Even if you use a vacuum pump the VP exhaust is going to the atmostphere. Whether you’re a DIY enthusiast or a professional mechanic, being able to efficiently and effectively recharge your A/C system can save you time, money, and ensure you stay cool during those hot summer months. Then, connect the quick connector from the refrigerant can to the service port and start the vehicle. What is R12 Refrigerant? R12 is a type of refrigerant that was widely used in automotive air conditioning systems, residential refrigeration units, and commercial cooling systems for several decades Jul 1, 2025 · I have several cans of R12 from a friend already and no desire to replace the AC system with something new or to replace all the seals so that it can handle R134. Get expert tips to prevent damage to your AC compressor. aqew ld5b q9e jc1 d8xhs vnxb rl yos hmx xqnqi4y