It is vital to avoid exposing the PAG oil to moisture for extended periods. One of the most common signs is a high-side pressure that is abnormally high, indicating that the oil is no longer providing adequate lubrication and the compressor is working harder than it should.
Professional Service Advice for R134a PAG Oil Usage and Compatibility
Signs of Degradation or Failure A system suffering from degraded PAG oil will exhibit specific symptoms that alert the user to a problem. Chemical Compatibility and Function Polyalkylene glycol, or PAG oil, is the synthetic lubricant of choice for R134a refrigerant systems.
Using a viscosity that is too low will result in poor lubrication, while a viscosity that is too high can cause increased drag and reduced cooling performance. Ignoring these signs can lead to a catastrophic compressor failure, which is often the most expensive component to replace in the entire vehicle.
Professional Service Advice for R134a PAG Oil Usage and Compatibility
Old oil can become contaminated with metal shavings or moisture, reducing its effectiveness. If moisture-laden oil is circulated in the system, it can lead to acid formation and corrosion of the internal metal components.
More About R134a pag oil
Looking at R134a pag oil from another angle can help expand the discussion and give readers a second clear paragraph under the same section.
More perspective on R134a pag oil can make the topic easier to follow by connecting earlier points with a few simple takeaways.
