Can I Mix Pag 46 With Pag 150? Experts Reveal the Truth.

Published by Dustin Babich on

No, you cannot mix pag 46 with pag 150. Mixing two different types of lubricants can lead to damage to your air conditioning system.

It’s important to follow the manufacturer’s recommendations to maintain the performance and longevity of your ac system. Air conditioning is one of the most essential features of any automobile, ensuring a comfortable driving experience, particularly during hot summers. To operate smoothly, an air conditioner requires regular maintenance and the use of quality lubricants.

Polyalkylene glycol (pag) oil is a popular lubricant used in automotive air conditioning systems because they are highly resistant to moisture absorption. However, some car owners might inadvertently purchase two different types of pag oils – pag 46 and pag 150 – and wonder if they can mix them. In this article, we will explore why mixing pag 46 with pag 150 is not recommended and discuss the impact this can have on your vehicle’s ac system.

Understanding The Differences Between Pag 46 And Pag 150 Lubricants

Pag 46 and pag 150 are two popular lubricants often used in automotive applications. Pag 46 is a lightweight lubricant while pag 150 is heavier and more viscous. Pag 46 is typically used in smaller systems like compressors and refrigeration units, while pag 150 is used in larger systems like air conditioning units and power steering systems.

The composition of both lubricants is different, with pag 46 containing less oil and more additives. Pag 150, on the other hand, contains more oil and fewer additives. Mixing these two lubricants is not recommended as it can affect the performance of the system and damage its components.

It’s always best to follow the manufacturer’s recommendations and use the recommended lubricant for each system.

The Pros And Cons Of Mixing Pag 46 With Pag 150

Mixing pag 46 with pag 150 could be a cost-effective solution for some. However, it could also cause problems. Mixing two different lubricants can alter its properties, affecting its viscosity, wear protection, and other factors. Incompatibility between lubricants with different viscosities could lead to seal damage, leakage, and system malfunction.

On the other hand, blending two lubricants with different viscosities can create a hybrid lubricant that combines the benefits of both. It could improve the cooling capacity, viscosity range, and overall performance of the lubricant. But before trying any mixing experiment, consult with an expert in lubrication technology.

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They can provide guidance on which lubricants are compatible and safe to mix, and what are the potential risks and benefits.


Common Misconceptions About Mixing Pag 46 And Pag 150

Mixing different lubricants with a range of viscosities isn’t a new concept in the mechanical world. However, the belief that combining pag 46 and pag 150 will enhance the performance of your system is a misconception. In reality, mixing lubricants that have distinct viscosities can adversely affect their overall performance, causing a myriad of issues from gumming, malfunctioning, to corrosion.

A common myth is that mixing lubricants with different compositions will yield a more potent lubricant, but this is not the case. Instead, it leads to an ineffective lubricant that can harm the mechanical components of your system. It’s vital to use only the recommended lubricant type and amount for your specific machinery to achieve optimal performance.

Mixing different lubricants can be a costly mistake that can compromise your system’s efficiency and longevity.

How To Safely And Effectively Mix Pag 46 With Pag 150

Mixing different types of lubricants can be a tricky process if you don’t have the proper equipment and techniques. Mixing pag 46 with pag 150 can be especially challenging because they have different compositions and properties. It is important to use a safe and effective mixing technique to avoid damaging your equipment or causing other issues.

Consider using a mixing chart or consulting an expert for guidance. Using the right lubricant can greatly enhance your equipment’s performance and lifespan, but make sure to take the necessary precautions when mixing different types. Ultimately, the key is to have the proper equipment, technique and knowledge to ensure a successful mixing process.

Conclusion: Can You Mix Pag 46 With Pag 150?

Experts in the industry advise against mixing pag 46 and pag 150 lubricants. Despite their similarities, these oils have different viscosities and additives that could lead to negative consequences. Mixing them may result in reduced performance and damage to the system.

Pag 46 is typically used in small systems while pag 150 is meant for larger ones. Additionally, pag 46 is used in low-temperature conditions while pag 150 is better for high-temperature environments. Mixing them may change the operating conditions of the system, reducing its efficiency and lifespan.

It is not recommended to mix pag 46 and pag 150. For optimal performance, it is best to use the manufacturer’s recommended lubricant.

Frequently Asked Questions For Can I Mix Pag 46 With Pag 150

Can I Mix Pag 46 And Pag 150 Oil?

Yes, you can mix pag 46 and pag 150 oil. However, it is recommended that you do not mix oils of different viscosities unless it is an emergency. Using different viscosity oils can affect the performance of your system or compressor.

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What Happens When Pag 46 And Pag 150 Are Mixed?

Mixing pag 46 and pag 150 oils can result in an oil blend with a viscosity between the two oils. However, it is not recommended to mix oils of different viscosities, as the performance of the system or compressor may be affected.

Is It Safe To Mix Different Brands Of Pag Oil?

Mixing different brands of pag oil is generally safe as long as they have the same viscosity. However, it is recommended to use the same brand and viscosity to ensure optimal system performance and avoid any compatibility issues during the oil blend process.

Can I Mix Pag Oil And Ester Oil?

It is not recommended to mix pag oil and ester oil. The use of different oil types can affect the system’s performance and could create possible compatibility issues. It is best to use the same brand and type of oil for your system.

Can Different Pag Oil Viscosities Be Used In The Same System?

Using different pag oil viscosities in the same system can affect the system’s performance. It is recommended to use the same viscosity of oil throughout the system, unless specified otherwise by the manufacturer’s guidelines. Mixing different oil viscosities should only be done as an emergency measure.


Mixing pag 46 with pag 150 is not recommended. While the two lubricants may have similar properties, their viscosity levels and chemical compositions are different. The mismatched blend may result in poor compressor performance, premature wear and tear, and leakage in the ac system.

Additionally, combining lubricants can also void manufacturer warranties, leading to costly repair bills. In the long run, it is advisable to stick to the manufacturer’s recommendations and use the correct pag oil for the ac system. If in doubt, consult with a certified ac technician to avoid any potential damage or safety hazards.

Maintaining the correct level and quality of lubricants is critical for optimal ac performance and longevity. It is always better to be safe than sorry when it comes to the essential components of your air conditioning system.


Dustin Babich

Dustin Babich

Dustin Babich

As the passionate author behind, Dustin Babich is a knowledgeable expert in all things automotive. With a deep understanding of car tools, equipment, engines, and troubleshooting techniques, Dustin Babich shares invaluable insights, practical tips, and effective solutions to empower readers in overcoming car-related challenges.


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