Is PAG oil compatible with R134a?
➔ 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. ➔ The choice of the right viscosity is crucial when using PAG oils (PAG 46, PAG 100, PAG 150).
What is R-134a PAG oil?
PAG 100 is a medium viscosity refrigerant oil for R 134 A automotive air conditioning systems. PAG 100 meets OE specifications and is ISO 100 viscosity. Comes in a easy charge can with a R134 compatible fitting, 2 ounces of PAG 100 oil and a small amount (1 ounce) of R134 A.
How much oil does a R134a system take?
The total system oil capacity for many late model passenger car A/C systems is only about 4 ounces (120 ml). A low oil level can starve the compressor for oil and lead to compressor failure. CAUTION: Do NOT overfill the the A/C system with too much compressor oil. Too much oil can hurt cooling performance.
Does R-134a have oil?
Yes there is oil in the system to keep the compressor lubricated. It is carried throughout the system in the refrigerant. It is usually added in when the system is charged.
Do you 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.
What is PAG 46 oil used for?
Fully synthetic polyalkylene glycol (PAG) refrigeration oil for the lubrication, sealing and cooling of air conditioning compressors and cooling circuits of these systems. Miscible with type R134a refrigerants.
Should I add oil when recharging AC?
How do I know if I have too much oil in my AC?
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.
How do I know if my AC needs 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.
What kind of oil does a R-134a use?
Most R-134a systems use PAG 46. But some use other viscosity like PAG150. Make sure you use the correct oil! 2005-94 All Eng.; w/ Rear AC – w/ Denso Compressor; 11.00 Oz.
What can be used as a substitute for PAG oil?
PAO (Polyalphaolefin) oil can sometimes be used as a substitute for certain PAG oils if the compressor manufacturer approves it. CAUTION: PAG oils should NEVER be used in hybrid vehicles because it is electrically conductive.
What kind of oil does General Motors use?
Additionally, General Motors issues Bulletin # 02-01-39-004B replacing PAG 150 oil with a lower viscocity oil. Thus, TechChoice now indicates PAG 46 (P46D) oil for those vehicles.
What’s the viscosity of Pag 46 motor oil?
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.