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With a gauge set. If you are not familiar with this process don't try it your self. Overcharging a system can lead to catastrophic failure. You can buy freon cans with gauges on them but the only connect to one side of the system...so you only get half the story
You just need a recharge.Go to an auto parts store and get a single can of R12 and the recharge line.Find the fitting on the AC line that the recharge line fits on(there's 2 but only fits 1)and hook the end on the can then on the fitting.THEN screw the puncture screw into the can lid to puncture the top of can,then turn that screw back out to release the Freon into the line and into system.To be sure you get all the Freon out of the can,stick the can in a small bucket of hot water while it's recharging your system.That's an old timers trick I use and it works.Once empty,remove the line from the fitting on the system first,remove the can from the line and save the recharge line.Ya may need it again one day.Engine must be running with AC on full when recharging the system.Stay Cool dude.
that is a very fast leak. try using UV dye leak detector. color of this dye is bright green and will be show at the leak source. a UV light is also helpful so you can see it better. you can buy this at any auto parts with freon mixed with it, with this leak you should see oily trace at the leak area, don't forget to recharge compressor oil after your repair.
If you have some cooling, but not enough, then chances are that the system is low on freon. The only reason a system would need freon is because the freon leaked out. If the leak is not sealed before recharging with freon, the freon will eventually leak out again.
Leak repairs are expensive so if it's a small leak it may be more cost effective to recharge the system every two or three years. Freon recharging is not a do-it-yourself job. Only people certified to handle refrigerant (freon) are allowed to recharge an air conditioning system.
1. Extremely dirty air filter restricting the airflow through the inside unit.
2. Extremely dirty (clogged) cooling coil restricting airflow
AND IF IT IS LEAKING
If you do not see ice build-up on the larger copper tubing (covered with a black, sponge insulation) when you run your system, then you probably have a clogged drain line. A clogged drain line is usually caused by algae build-up inside the drain line. And yes, there is something you can do to prevent this condition. Algae is a living plant and will grow in your drain line until it clogs the line. The air handler provides a cool, damp environment for development of molds and mildew and if left untreated these growths can spread into your ductwork.
If only moderate to light buildup is present then there are chemical disinfectants specifically designed for use in air handlers that will kill the existing mold and mildew and control new growth. These disinfectants are safe and very effective and are applied by simply spraying into the filter intake and by placing "Algae Strips" directly in the drain pan. If the coil has mold or mildew present then it also should be treated. Make sure that the face of the cooling or evaporator coil is clean so that air can pass through freely.
HOPE THIS HELPS :)
The valve to recharge freon is in the top of accumulator and it is the only one available to connect the freon hose, you have to turn the a/c on and set it to the coolest temp. before start to recharge and keep it on while recharging, That's all.
hope this help!
Must be Air-Condition System Lines/ Hoses leaking R12 Freon (gas). MAYBE THE PULLY HUB BEARINGS FAILED OR DUE TO VERY LOW R12 FREON (GAS ) will not work. Because there is a switch in the receiver/dryer prevent AC from working when low R12 Freon present, to protect the system & compressor damages. You must fix the leaks, before recharging it. They must **** the old (residue) gases from the system & lines / hoses...... & stay in the vacuum pump 30 minutes to proof no more leaks. Recharge some oil for the old type R12 Freon gas. Before recharge it to 62-67 psi R12 Freon See the web site like www.youtube.com/video site to see How they service & repair air-condition system? Put the question to their search window. This is the question u should. How they service & repair air-condition system? Regards; MAR
open the hood it will tell you what kind of freon it needs also your owens manual.and remember turn car on and and ac on high conect the freon hose that it comes with shake the can and turn it upside down when filling the ac if your a lady please put your hair in a bunn and make sure you dont have any loose things on hope this helps aways be safe around cars