Posts Tagged: How Much PAG Oil to Add to Car’s AC

How Much PAG Oil to Add to Car’s AC

How Much PAG Oil To Add Oil During an AC Recharge When DIYers ask me how much PAG oil to add to AC during a recharge, I always start with this: you should always assume some oil was lost if your car leaked refrigerant. The bigger the leak, the more oil the system loses. But when the leak occurs also affects how much oil is lost. For example, older AC systems sometimes lose refrigerant in winter when seals and connections contract in the cold. Because AC pressure is low in … Read More