How Much Pag Oil To Add With Condenser Change

By Tsukasa Azuma

Last updated Jan 20, 2021

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The air workout system in an automobile needs a specific amount of oil to work, just like the engine. You should accept a clear idea virtually how much PAG oil to add to Air conditioning system to save information technology from unpredicted failure.

Which AC Components Crave an Oil Refill?

The compressor is the Air-conditioning unit of measurement component that needs adequate oil to run smoothly. Normally, there is no demand to add together oil to your vehicle'due south existing Air-conditioning system, unless y'all take changed the compressor or there is a leak, letting oil dripping from the organization.

A compressor needs a sufficient corporeality of oil for lubrication. It has some cylinders to compress refrigerant gases, which creates rut and friction. Oil in the system controls that rut and reduces friction by making the parts more glace.

If in that location is a leak in the organization, set up it kickoff before adding oil into it. Otherwise, the system will require more oil soon and may atomic number 82 to the failure of some parts.

What Is PAG Oil?

PAG oil, or Polyalkylene Glycol, is peculiarly created for the AC compressors of automobiles. The fully synthetic hygroscopic oil is a compressor lubricator for the Air-conditioning units that use R-134a refrigerant.

Besides knowing how much PAG oil to add to AC system , y'all likewise take to use the correct viscosity oil. Each PAG oil type has a number such equally PAG150 or PAG VC-46. This number refers to the PAG viscosity, similar to a number like 10W30 indicates the viscosity of a regular engine oil.

You have to look into the owner'south manual to discover out the correct PAG oil viscosity for the AC's compressor.

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The compressor of the Air conditioning arrangement is likely to have specifications regarding the amount of oil to be added. You must cheque the possessor's manual before adding more oil.

The Ac arrangement in nearly modern vehicles needs a total of four ounces (120 ml) of oil. Then, checking the manual is a good idea to be sure of the exact amount and to avoid over- or nether-filling the system. A low level of oil may cause compression failure, and overfilling will also injure cooling performance.

how much PAG oil to add to AC system — Don't overfill the system. (Photo Source: acforcars)

Here is the amount of PAG oil that dissimilar AC components require for their smooth functioning:

Compressor = one.four ounces
Evaporator = ane.five ounces
Condenser = 1 ounces
Accumulator = ane ounces
Hoses = 1 ounces

Flushing the entire organization is recommended earlier calculation oil or refrigerant. When you are replacing a part, such every bit a compressor or an accumulator, y'all should always add the oil that has been lost during the replacement.

Notwithstanding, the total corporeality of added oil should never exceed the system's oil capacity. So, when computing how much PAG oil to add to AC organization , always remember to proceed the total corporeality under four ounces or whatever the capacity of your car's AC system is.