Which PAG oil should I use?

PAG oils are harsher than mineral oils, and may cause skin irritation and damage O-rings and seals. There are different viscosities of PAG oil being used by OEMs: PAG 46, which is the most popular; PAG 100, which is also common; and PAG 150, which is more rarely used.

What is PAG 46 oil used for?

Fully synthetic, polyalkylene glycol (PAG)-based oil which is used for the lubrication, sealing and cooling of refrigerant compressors or refrigerant circuits in passenger or commercial vehicle air conditioning systems.

What is PAG 150 oil used for?

Compressor Oil PAG 150 is specially developed for mobile airconditioning units, which use the refrigerant R134a. Compressor oil PAG 150 has due the high Viscosity Index (VI) a wide temperature operating window and can be used for a wide range of vehicles.

Are all PAG 46 oils the same?

PAG 46, PAG 100 and PAG 150 oils all have different viscosities, just as 5W-20, 5W-30 and 10W40 motor oils have different viscosities. You should not intermix different viscosities because the viscosity of the mixture may be "out of range" for the appliction for a number of reasons.

What are the different PAG oils?

There are several types of PAG oil based on the viscosity of the oil -- PAG46, PAG100 and PAG150 -- and the type of refrigerant it is designed for. Unfortunately PAG is hygroscopic, meaning it attracts and retains moisture from within the A/C system or atmosphere.

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Is PAG 46 and PAG 100 Compatible?

➔ PAG oils are highly miscible with R134a (PAG oils 46 YF and 100 YF also with R1234yf) and are suitable for lubricating the air conditioning systems of most passenger and commercial vehicles.

What oil is best for compressor?

For compressor oil, you want to use either SAE 20 or SAE 30 oil, where the latter is the more viscous of the two. If you live in a cold region, then it is better to go for SAE 20 compressor oil. Those who live in warmer places should use SAE 30. This is based on how the viscosity may change depending on the weather.

What happens if you mix PAG oils?

What's the problem? The two oils do not mix completely and cannot create a long-lasting homogenous mixture, which is needed to ensure the correct lubrication of the mechanical parts within the compressor.

Can you add too much oil to AC compressor?

If you add too much oil to the system, it may pool in various places of the system and can coat the inner walls of the evaporator and condenser coils. This will diminish their ability to absorb or dissipate heat, thereby bringing down the overall cooling performance.

Is Pag 100 the same as SP 20?

> PAG 100 - double end-capped oil similar to SP-20 for use in aftermarket A/C systems.

Can you mix 12a and R134a?

RED TEK 12a requires no significant redesigning of the refrigeration system because it is compatible with R134a, R12, metal components, compressor motor materials, mineral, and synthetic (Ester and PAG) lubricants, seals, gaskets, hoses, compressors, and O-rings.

What kind of oil goes in AC compressor?

PAG is actually an acronym for Polyalkylene Glycol, and it is a synthetic oil used in A/C systems to lubricate the compressor. Most all newer model cars use PAG as the lubricant in the A/C system.

How much PAG oil do I put in a compressor?

Here is the amount of PAG oil that different AC components require for their smooth operation: Compressor = 1.4 ounces. Evaporator = 1.5 ounces. Condenser = 1 ounces.

Do I need to add oil when recharging AC?

The best way to ensure the long life of your AC compressor is to ensure that you add adequate oil any time you add refrigerant to your system. If you've discovered a need for more refrigerant in your vehicle, add BlueDevil Red Angel One Shot.

How do you know if your AC compressor is low on oil?

One of the earliest signs that the AC compressor is operating with an insufficient oil amount is the emergence of humming noises from your air-conditioning system. At the same time, you may notice that the compressor has suddenly become hard to start.

Does 134a have oil in it?

Yes there is oil in the system to keep the compressor lubricated. It is carried throughout the system in the refrigerant.

What color is AC compressor oil?

Refrigerant or PAG (synthetic compressor) oil is clear, he explains. Over time, it picks up moisture and turns acidic, eating away at the condenser, thermal expansion valve, evaporator, fittings, compressor and other metal components. Gradually, the oil turns yellow and darkens as it picks up particles and sludge.

Does evacuating an AC system remove the oil?

To answer the question title, yes, you will have to add oil to the new refrigerant. Failure to do so will shorten the useful life of the A/C compressor's bearings through lack of lubrication. This will invariably lead to premature death of the compressor.

How do you know if your AC has too much oil?

Inefficient Cooling

The most glaring sign of an overfilled AC system is poor cooling because an internal coating forms resulting in reduced heat transfer. For instance, you might notice that it's taking way too long to cool things or your windows stop defogging properly.

Can you mix PAG and PAO oil?

Although in general, the PAO and PAG characteristics seem be similar, their viscosity parameter is different. Applying an oil of a different viscosity than required by the compressor producer can lead to compressor serious failures, which, in most cases, will lead to a claim rejection.

What is the difference between PAG oil and POE oil?

Polyolester (POE) – the primarily synthetic oil for refrigeration systems using HFC refrigerants. It is also suitable for refrigeration systems using CFC, HCFC refrigerants and being evaluated in CO2 systems. ​​Polyalkylene​ Glycol (PAG) – a synthetic oil primarily used in R-134a automotive air conditioning systems.

Can I mix PAG oil with mineral oil?

They should not be mixed with mineral oils. The result is a gelatinous, gooey mess. Although they are excellent lubricants, they can pose a logistic problem in plants. They can also have some negative effects on paints and seals, and are very expensive.

Can I use engine oil in air compressor?

Yes, you can use motor oil in your air compressor. It is the motor oil's job to work well with different parts of an engine to handle high temperatures and low temperatures.

Is compressor oil the same as hydraulic oil?

Hydraulic oil is similar to compressor oil in that it does not contain detergents. Any 20-weight or 30-weight hydraulic oil should make a good compressor oil alternative.

Can I use 10W30 in my air compressor?

Can you use 10W30 in your air compressor? No. The recommendation by manufacturers of air compressors and the advice of air compressor experts is to use air compressor oils without detergents. Since 10W30 contains detergents, it should not be used.