How To Change The Oil In An Ac Compressor

This is due to the molecular cohesive force in the oil. The service manual normally tells you how much refrigerant oil should be added with each major component replaced on the AC system.

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Draining and Replacing the Oil Download Article 1 Take the rear cap off of the AC compressor.

How to change the oil in an ac compressor. Most compressors use PAG oil but a few use Polyol Glycol so its important to determine which is used in your vehicle. Typically youll want to change the receiver dryer along with the compressor. You can find the Red Angel Oil Injector and other Red Angel AC products at any of our partnering auto parts stores like.

Then remove the dust caps from the new compressor and add a small amount of recommended lubricant to the new compressor usually around ounce. Hold the compressor in your hand and find the black end cap on the rear of it. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features Press Copyright Contact us Creators.

Simply fill it to the required level and clip the injectors valve to your compressors lower side pressure valve. Remember when changing out the compressor you must check the compressor for the correct amount of refrigerant oil that is recommended amount from the manufacturer which should be stamped on the compressor. Its supposed to take 7 oz of PAG46 oil.

Then youll have to follow any compressor installation instructions you have but its generally take the compressor drain any oil from it and measure and then insert the systems oil charge inside if you have a drain plug remove the drain plug and drain and then refill oil of the proper ISO VG from there otherwise pour it in the suction port and rotate the clutch hub so that it gets drawn inside. As I understand it you administer the oil through the low pressure service port and rotate the pulley and clutch gradually as you add it. So you have to match your environment temperature and the viscosity while choosing an oil for your compressor.

How to Check Oil In AC Compressor 1. But man it just. Finally try to keep each compressor sealed clean cool and dry.

Add the specified quantity of fresh oil or an amount to what you drained into the emptied compressor you usually add via the hose input on the high side on your compressor unless otherwise indicated. Recharge it according to your AC systems requirements. Another way of adding oil to the compressor is by use of an oil injector.

Buy Auto Parts carries a wide range of parts for every car make and model. Replace the oil fill cap. All that remains is to push in the oil slowly.

If you dont know what the total oil capacity is check the underhood. Use the following guidelines for replacing compressor oil when changing AC components. Pour fresh compressor oil into the fill port to the specified level for your compressor.

They come in multipacks and are simple to use. Empty the air conditioning compressor of all the oil by holding the open end down while rotating the clutch by hand in the normal direction of rotation. You normally do this when recharging the system after replacing one of the major components.

Compressor14 oz Condenser10 oz Evaporator15 oz Accumulator10 oz Hoses10 oz The total amount of oil added to compensate for parts that have been replaced should NOT exceed the total oil capacity of the system. The correct way to fix it is to completely evacuate your system down to a vacuum then recharge it with the manufacturers specified amount of refrigerant and add the recommended amount of oil. Use of an AC compressor oil injector to refill the compressor.

When changing the oil in these systems keep in mind that it must be compatible with the refrigerant and the fluid previously used in the system. Place an order for any of the replacement parts at Buy Auto Parts. The viscosity of oils can change due to the change in temperature.

There are little tubes that can be purchased that attach directly to the AC low-pressure suction line. Below is an image of a typical DIY air compressor focusing on the compressor head and the 4 components you will need to identify on your compressor for when it comes to an oil change. If you are able to achieve this you will.

Reinstall the oil drain plug. The next steps must be done in a. Unfortunately there is no way to tell if you have the proper amount of oil in your air conditioning system.

Once youve got the correct type of oil you can use the Red Angel Oil Injector to add the AC compressor oil to your system. The dryer cannot be drained of oil so you have to make an assumption that 2 ounces are held in side the dryer. These are a cheap alternative to draining the entire AC system and hooking up to the special machine.

Retrieve the correct amount of oil information from the AC sticker on the car or from a maintenance manual. 2 ounces 3 ounce from old compressor plus 2 ounces from dryer is 5 ounces that need to be in the replacement compressor. For example if you are in a colder area lower weight of viscosity like 10W or 20W is better to use.

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