Subtract or 0.25 pounds from this number. The blends like R401A, R409A, R410A and all in the 400 series of refrigerants must be charges as a liquid. Check the temperature inside the cabin with your meat thermometer inside the vents. It is important to remember that all A/C systems operate on a closed system. If you wish to replace the air conditioning system in your car, the cost will range between $1,500 and $4,000, with an average cost of $2,750. -Start engine and put A/C settings on maximum cool with the fan settings on high. Add Tip. Watch the pressure gauge to ensure you arent overcharging the system. Refer to Refrigerant - diagnosis and testing - refrigerant charge level. Take note of the rare weight. on an R-134a system. This will prevent accidentally piercing the can. Take an empty R134a tank and put it on a scale. In this case, determining the proper amount of R134a needed to re-charge the ac system isnt really driven by make and model, but rather, by the style of air conditioning system installed on the car. For a 1963 Cadillac with an under dash evaporator system, the recommended charge of R134a is 22 ounces. So, What does R134a mean? Empower the coolness in your car. Turn the valve on the top of the can. Arrives by Thu, Aug 18 Buy Car AC R134A Refrigerant Charging Hose Kit, Charging Hose with Gauge, A/C Charging Metering Kit 1/2 Can Press Air On all Classic Auto Air under dash units, 22 ounces is the recommended charge. Recover the R-12 refrigerant for recycling. 3. -Attach the quick connect fitting to the low side service port. R134a is a refrigerant used in a wide range of home appliances or industrial appliances. Start by double-checking that the hose is attached securely to the low-pressure port. Discharge The R-12 Refrigerant: Discharging The Refrigerant. Locate the High AC line. In this case, determining the proper amount of R134a needed to re-charge the ac system isnt really driven by make and model, but rather, by the style of air conditioning system installed on the car. From the consumers point of view, this is all you need to get your cars AC up and running again. Is that right? Press the trigger on the refrigerant can for 10 to 20 seconds and let the gas go into the system. These home appliances come fitted with a refrigeration unit known as the compressor. Meets all R-134a standards. R134 was specifically designed to replace R12 used in smaller air conditioning units, such as those used in vehicles. If this does not work..your AC has other issues and you need a UV leak test. Wiggle the connector to be sure its fully seated and doesnt come off. If you add oil on top of this, you might saturate the system and it wont work as well. Keep monitoring the pressure to make sure you do not overcharge the system. Release the trigger. Refrigerant Type: R134a. The compressor was designed to compress a gas. R12 R22 R23 R134a R142b R290 R404a R406a R407c R409a R410a R502 R507 R600 R717 For these reasons, AC shops LOVE R134a because they make money both on the conversion and on all the repairs converted systems will need a few years later R-134a psig R-134a 12 oz Approved in 2011, HC has a low GWP and is one of the. This can increase the cost a lot, depending on the failed part. R134a Pressure Gauge Chart. 1. Liquid charging is a lot faster but not recommended unless you extreme care or have experience. To discover the capacity for refrigerant, you want to use the specs for the current system and multiply the R12 charge by 0.9 or 90%. Only let an AC certified workshop with the right equipment do any work to your AC system. Should take more of the lighter to equal the factory R134A charge?? Previous post Symptoms of correct and incorrect charge. Stop when you reach 40 psi. 4. R134a is the ideal refrigerant for working at high boiling and condensation conditions. To recharge or top off the refrigerant in your cars To be sure, check your owners manual refrigerant specifications section (you can check online too) or look for the label under the hood (locations pointed out in the video) to make sure your cars AC system uses R-134a refrigerant. R-134a system pressure chart. With the vehicle on then connect the coupler on your recharge kit to the low side servi ; COMPLETE CHARGING KIT: This 10-piece R134a recharge kit from Orion Motor Tech is an interlocking set including a dual pressure gauge, 2 hoses, a self-sealing can tap, and a 90 R134a quick coupler; 4 cotton oil testers quickly check your compressor's oil level and quality and a retrofit port adapts R12 and other systems to With the AC still running, thread the refrigerant can to the port on the service hose. Before you begin charging the system shake the cylinder very well. R134a is a non-competitive refrigerant that has zero temperature slip.. Be Save. Attach the A/C charging station yellow line to the empty tank; Evacuate the A/C system following the A/C manufacturers instructions; Disconnect the R134a tank from the recharging station. If you add oil on top of this, you might saturate the system and it wont work as well. Sometimes you may see an oil/dirt residue that has accumulated at the spot of a leak due to this oil mist. The average AC recharge cost is between $150 and $300. However, if the engine is off (compressor not running) you can open both sides and charge as a liquid until the system won't take any more. For a 1963 Cadillac with an under dash evaporator system, the recommended charge of R134a is 22 ounces. 1. Here are the quick steps to replace the R12 with the R134a system. Traditional (gas) charging is slower but safer. Solid Wheel Portable R134a Recovery Recycling Unit Car Ac Gas. The can is filled with the R-134a refrigerant, oil and stop leak sealer. When the AC compressor is disengaged, only the outside The AC compressor is a little belt driven engine and does have pistons with rings just like the V8 engine under the hood. Get Fast, Free Shipping with Amazon Prime Disconnect the yellow hose from the vacuum pump and connect it to the can tap or charging cylinder valve. If you want a chemically superior product and are not scared of being different, try this. Typical Automotive AC System. These vehicles generally fall before the year 1995 and use an R12 refrigerant no longer made. The only option is AC replacement. Though an ac recharge can be completed at home, it is still considered a more professional repair, as it contains work with hazardous liquid and is best left for a certified mechanic. Recharge your AC in 7 easy steps: The result is R-134a is not as efficient and leaks out a bit faster than R-12. Screw the charging kit onto the can. In addition, its not a good idea to mix R134a refrigerant oil with R12 oil. the refrigerant entering the condenser will be around 130F. 2. Old R-12 systems use mineral oil. While charging be sure to hold the can up right alternating between the twelve and three oclock positions frequently. It is recommended that this service be performed on a vehicle every 100,000 miles or so. Always use polyester oil when working with R134a. Before we define the R134a low side pressure chart, let us understand what r134a stands for. You can now begin squeezing the trigger to begin charging the system. In most cases, having a repair convert your air conditioning system will cost you around $200. A/C Pro ultra synthetic refrigerant kit features a specially designed formula that helps a vehicles A/C produce the coldest air. At 200-psi. The Educational Forums. Pull back on the connector collar, push the connector onto the port, then release the collar. If the method of charging R134a is with 12oz cans, then you have to compensate for the amount of refrigerant to an even greater extent. In addition, its not a good idea to mix R134a refrigerant oil with R12 oil. With excellent physical and chemical property. Recharge procedure. R134 was specifically designed to replace R12 used in smaller air conditioning units, such as those used in vehicles. For factory installed and retrofitted R-134a automotive air conditioning systems. Step #2. To discharge a moderate volume of refrigerant to the service hose as well as blowing air out of it, gradually turn the valve back out. On all the Perfect Fit evap units, 24 ounces is the recommended refrigerant charge. Refrigerant Type. You should always do a leak test with the right equipment before refilling an AC system. On the high side, R-134a pressures usually run 2.2 to 2.5 times the ambient temperature entering the condenser. Step #1. Let the engine run and the compressor turn. Take note of the rare weight. Techs who don't own a very costly Recover, Recycle, Recharge (RRR) machine typically use a highly accurate refrigerant scale, together with a quality manifold gauge set, like those available at www.ackits.com It's more difficult weighing-in a charge using the small 12-ounce cans rather than using a 30-pound cylinder, but it can be done. R134a Car Ac Refrigerant Charge Hose Kit Recharge Hose With Gauge , Find Complete Details about R134a Car Ac Refrigerant Charge Hose Kit Recharge Hose With Gauge,Recharge Hose With Gauge,Refrigerant Charge Hose Kit,Car Ac Charge Hose Kit from Supplier or Manufacturer-Zhuji Innerco Refrigeration Components Factory Turn off High Side and Low Side valves on the manifold gauge set. Screw recharge hose (sold separately) onto dispenser. Weigh the full tank and subtract the weight of the empty tank. Works wonders on my old S10 Blazer with a 2.8L carb'd engine. -Turn the valve handle clockwise until the piercing stem has punctured the can. Whenever refrigerant is lost oil is also lost with it as the oil under pressure becomes a fine mist. So in elementary terms, gas for gas, one is lighter. Hold the can vertically and squeeze the trigger to add refrigerant. A professional AC recharge cost ranges from $150 $300 on average depending on the make and model of your vehicle. Due to refrigerant losses that occur over time, this service is one that should be added to your vehicle maintenance schedule. The approximately 17 oz. It can be used for recharging refrigerant, or to diagnose an a/c system based on pressure readings from your gauges. This simple fix recharges the R-134a (freon), stop leaks & gets your car A/C cold again. -Turn the valve counterclockwise until you feel the refrigerant leaving the can. Most DIY AC recharge kits come with a container of R-134a refrigerant, a low pressure gauge and a low pressure quick connector. Close low side valve on the manifold gauge set. And if you do match molecular weights, my charge would be 34.61oz of R152A. Gently tug on the connector to ensure it is properly seated on the fill port. Re-charge your vehicle's air conditioning system and keep the cold air flowing with R134a refrigerant. You can charge in two ways: liquid (can upside down) or gas. Please read and follow all procedures and safety precautions carefully. Cost of Converting an R12 to the R134a System. R134a. Recharges auto A/C system. George Bray on Mon July 31, 2006 10:33 AM. If you wish to replace the air conditioning system in your car, the cost will range between $1,500 and $4,000, with an Make this retrofit kit part of that project with fittings, clear instructions and even a compliance sticker. So, if the ambient temperature is 80F, youll see high side pressures running between 176-psi and 200-psi. FREE NEXT DAY DELIVERY ON SELECT ITEMS. If you want a chemically superior product and are not scared of being different, try this. R134a refrigerant has zero ozone-depleting potential (ODP)) and is ubiquitous with the best refrigerant R12. Attach the A/C charging station yellow line to the empty tank; Evacuate the A/C system following the A/C manufacturers instructions; Disconnect the R134a tank from the recharging station. Use the yellow hose to connect to the R134a can. For a 1963 Cadillac with an under dash evaporator system, the recommended charge of R134a is 22 ounces. This cooling agent ensures that your ride's AC system is working properly. In this video, I show you how to refill your AC refrigerant in your car. Turn off the engine. Flush The Whole System: Remove all Introducing liquid refrigerant into the low side can slug the compressor. Low pressure ports on accumulators can be charged with liquid because it changes to a Frigoboat R134a charge guidelines. Ensure that the air conditioner is powered on to maximum cool and maximum blowing capacity. How To Recharge Your Car S Air Conditioner. Always replace leaking parts before an AC recharge. Visit the YSTOOL Store. This chart details how ambient temperature correlates with the system refrigerant charge pressure, and how it affects high and low side psi readings. of R-134a and 3 oz. Preliminary checks: If the compressor clutch will not engage, verify the refrigerant charge level. 7. Take an empty R134a tank and put it on a scale. Most older cars have a non working ac at over 30 years old. Getting it working the right way requires the right parts. Simply turn the cylinder or can upside down to charge as a liquid or leave it upright to charge as a gas. Being a pure refrigerants, R134a, R12 and R22 can be charged either way. 7. Locate A/C low-side service port and connect recharge hose. Not to mention that air and moisture will reduce the efficiency of the system. How do I use an R-134a charging hose to add/recharge R-134a refrigerant to my system? -Attach the quick connect fitting to the low side service port. Perforate the can by turning the valve on the service hose. Before you move on, give this A/C page a bookmark or share with a friend having car problems. Wait and see if the compressor starts making noise. 12 Oz. Ensure the taps for the low (blue) and high (red) side lines are in the closed position. Protects and extends A/C system life. 2. Necessary parts for conversion: Compatible AC compressor AC flush kit / AC service unit Green O rings for the R134A R134A port adapters R134a high-pressure and low-pressure switches R134A compatible accumulator dryer Orifice tube New hoses compatible with R134A (If the vehicle is older than -1990) A/C, Air Conditioning, charging ac system, classic car, R134a Refrigerant; 6 comments; Note: Charging procedures for the Perfect Fit retrofit air-conditioning systems by Classic Auto Air are different than most modern air-conditioning systems. In most cases, having a repair convert your air conditioning system will cost you around $200. Empty the system from the old R-12 refrigerant. Start your engine and let it run for five minutes to warm up. Ambient Temperature (F) which are designed for use only in auto air conditioning systems. Steps: 1. Make sure this fits by entering your model number. The newer R-134a type car air conditioning systems use synthetic oil known as PAG oil. k5guy on Thu August 11, 2005 10:29 PM. Even if you charge the system properly, you might notice it doesnt get as cool. You will still need to allow 2oz for the service hoses and since you can never completely empty a can of refrigerant you will need to allow for an additional 1oz per can. This tutorial is specifically for the R134a type of refrigerant that newer use. Disconnect the yellow hose from the vacuum pump and connect it to the can tap or charging cylinder valve. Start the car engine Have the valve and service hose connected to a can of refrigerant. Squeezing the trigger keeps a constant flow of refrigerant coming out of the hose, purging it of any outside air and moisture, keeping them out of your air conditioning system. In the photo, this will look similar to the larger diameter pipe. Step #4. Open valve on the refrigerant source. Charging your A/C for your Classic vehicle is a critical step in the installation process. Find auto A/C tips including R-134a pressure charts, instructions on how to put Freon in a car and other auto maintenance advice. You can charge in two ways: liquid (can upside down) or gas. Turn On Your Car and A/C. Shake can well. -Turn the valve handle of the charging kit counterclockwise until the piercing stem is in the up position. The thing is, most replacement components, such as compressors, often come with the prescribed amount of oil already in the part. If the car is already warm or hot, go to Step 2. Reviews. Locate the vehicles AC compressor for reference, and its important to monitor what the AC clutch is doing. Molecular weight of R134A is 102. Depress the top button. Not that hard. R-134a also runs at a higher pressure causing your compressor to work harder, lowering your gas mileage further. Charge system until gauges read over 50 pounds of pressure. $16.99 $ 16. Allow contents to flow into the A/C. If the refrigerant charge level is not okay, adjust the refrigerant charge as required. If the refrigerant charge level is okay, go to step two. Tester May 16, 2018, 5:07pm #2. However, R134a isnt going to cool the same as R12. No. Get it right with this retrofit kit. Inside this compressor is a refrigerant R134a. While charging, shake the can up and down, alternating between holding the can vertically and horizontally every few seconds. The compressor cant compress a liquid. R-134a also runs at a higher pressure causing your compressor to work harder, lowering your gas mileage further. I thought you would add more R152A than a 1:1 to equal the same weights in gas volume or weight? The Azeotropes in the 500 series like R502 and R507 act nearly like pure refrigerants and can be charged either way as well. Shake can, connect hose, pierce can, turn AC on MAX, connect to low portturn release valve on can slowkeep in blue on meter or green. If any of these are open refrigerant will spill out from the service line (yellow tubing) once connected to the system. They pump the entire required weight of refrigerant into the system in one hit. -Start engine and put A/C settings Prepare the AC manifold gauge set: Hang the gauge set on the locking hook of the hood. Whitey June 23, 2010, 5:12pm #3. The result is R-134a is not as efficient and leaks out a bit faster than R-12. Procedure. AboutR134a Refrigerant. Step #3. Same for R152A is 66. AC in your car is a must in Southern California. Always wear safety glasses as refrigerant is unsafe for the eyes. YSTOOL AC U Charge Hose with Gauge Car Refrigerant R134a Recharge Tool Kit Auto Air Conditioner Charging Hose 100PSI Low Pressure Measuring Meter R134a Can Tap Quick Coupler . At this point, start the vehicle and set the air conditioning to MAX setting. 99. Yes, its a good idea to add a bit of oil. Tester. Screw the charging kit onto the can. R134 is a member of the more recent generation of hydrofluorocarbon (HFC) refrigerants that has replaced older, ozone-depleting chemicals, such as R22 and R12. Pump in R134a Refrigerant. Start the engine, open the windows and set the air conditioner to max cold.. This refrigerant should already contain oil. Open the low side valve on the manifold gauge set. Turn on your AC temp and fan to high output. Then you close the high side, and start the engine, switch on the compressor and charge the rest. Installing the wrong lubricant can lead to internal damage of critical air-conditioning components. R134 is a member of the more recent generation of hydrofluorocarbon (HFC) refrigerants that has replaced older, ozone-depleting chemicals, such as R22 and R12. Liquid charging is a lot faster but not recommended unless you extreme care or have experience. Otherwise, you will need to add that separately. Start engine and set A/C to maximum cooling. I just read that air con shops typically charge by weight, with the engine and everything turned off. 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. Moisture will rust the little engine if its trapped in the AC system. Correctly charged system The Frigoboat systems are capillary tube systems, and require a precise refrigerant charge to work at maximum efficiency. Charging Hose Included. Traditional (gas) charging is slower but safer. 7. Can 134a replace r600a . It is important to watch your gauge when charging. This item YSTOOL AC U Charge Hose with Gauge Car Refrigerant R134a Recharge Tool Kit Auto Air Conditioner Charging Hose 250PSI Low Pressure Meter Brass 1/4" Female Parts R134a Can Tap Quick Coupler Joywayus Low High R134a AC Quick Connectors System Port Adapters Couplers for HVAC Auto Car Air Conditioning with Manifold Hose Gauge,1/4" SAE Cost of Converting an R12 to the R134a System. A telltale sign that your system is not working properly and in need of a recharge is if the system blows hot air while the AC is on. Country of Origin: United Kingdom. You normally charge via the low side. Weigh the full tank and subtract the weight of the empty tank. The thing is, most replacement components, such as compressors, often come with the prescribed amount of oil already in the part. ok4450 June 23, 2010, 5:03pm #2. Also, wear gloves Hold the can upright and squeeze the trigger for five to ten seconds. Please feel free to call our technical support line for further help at 888-318-5454 . 4.4 out of 5 stars 173 ratings. But never charge as a liquid if the low pressure port is on or near the compressor because it can slug the compressor as they are not made to compress a liquid, only a gas. Works wonders on my old S10 Blazer with a 2.8L carb'd engine. Go to step # 4 in Charging an A/C System that is low on Refrigerant (below)