Be sure to tighten then adequately with your wrench. While holding the compressor in one hand, rotate your clutch plate 3 or 4 times.įix the AC compressor back to its slot and mount the 4 bolts you had previously removed. Here is the correct way to cycle the compressor: To have the lubricant circulate to every corner in the compressor, spin the clutch plate about 3-4 times. Tip: The last thing you want is to spill the oil so pour it slowly. Simply insert a suitably-sized funnel into the opening then proceed to pour the fluid.įinally, fit the rear cap back into place and screw it securely with wrench. Verify from your owner’s manual or from the internet the amount of oil your compressor needs then pour this exact amount in there. The unit may also develop operational problems after installation as a result. Tip: You don’t want to mix oil and new oil because of the risk of overflowing. Shake it back and forth until all the fluid empties out. Unscrew the compressor’s rear cap with your hands and allow all the old oil to flow out of the part and into a suitable container. Step 2: Drain the old car AC compressor oil Tip: The unit is pulled out from the top in some engines and via the bottom in others. Of course, you’ll have to disconnect everything else to be able to make it come out- lines, wires, and the belts. Unscrew the other 4 bolts holding the compressor to the car and pull the component out. With the refrigerant out of the way, proceed to add your specific air conditioning compressor oil (check manufacturer’s recommendations). How to add oil to air conditioning compressor – final steps Lastly, disconnect the two valves from the compressor. Turn on your machine and wait until the gauges have dropped to zero.Ĭlose the valves and turn the recovery machine off. Next, you want to open your gauges’ low side.Īlso (please check that both ports on the recovery machine are open before this) open the valve on the recovery tank. Now connect the remaining end of your yellow hose onto the recovery cylinder (to the liquid port). To remove air from the machine, release gas from your low side again for 1 second. Now connect the yellow hose to your reclaimer machine’s IN port and the extra yellow hose to the OUT port. Note: You must close the two sides after you’ve completed purging. Simply hold the yellow hose and point it away from you then open the low side for about one second followed by your unit’s high side again for 1 second. When connecting, begin with the low side (the bigger tube) followed by the high side (the smaller line).Īny air trapped in the hoses could bring problems down the road and you want to get rid of it. Step 1: Connect the gauges of your reclaimer machine What you’ll need for AC refrigerant removal: More importantly, it could put you in the crosshairs of the Environmental Protection Agency (EPA). You know the risk if you fail to do this: it might escape to the environment causing harm. Now, before you proceed with the steps of adding oil to air compressor, you must capture the Freon. You then separate each from the valve on the compressor. To do this, first remove the bolts connecting the two pressure lines to the AC compressor. Step 4: Remove the high (thin) as well as low (the larger) pressure lines The plastic wire connecting the compressor to the power supply is to be disconnected next (simply grab and pull it off the compressor). Step 3: Pull the wire connector off the compressor You’ll need to loosen the nut you see on the outer side of its pulley for the belt to budge. Loosen and slide the belt (it’s clearly visible) off the AC compressor. Remove the bolts mounting the AC compressor protective covering and take it off (use a socket wrench). Step 1: Locate the compressor and remove the protective cover The first thing to do is remove the AC compressor. How to add oil to air conditioning compressor – step by step Purchase the oil that your manufacturer recommends (Putting the wrong type oil in your AC compressor is likely to damage it). This is not usually that hard and in fact, you should be done in about 4 major steps. How to add oil to air conditioning compressor Think of oil as the life’s blood of your AC compressor- it lubricates, removes heat, and helps in sealing (to prevent leaks).Īs such, you cannot afford to have it run without the right amount of oil ( here are the common AC compressor low oil symptoms).īesides, some new compressors need to be added with oil prior to installation. As an Amazon affiliate, we earn a commision from qualifying purchases.
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