AC compressor oil and Freon

Tiny
ZEMORZEMOR
  • MEMBER
  • 2006 CHRYSLER PT CRUISER
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 110,000 MILES
The AC was evacuated legally when timing belt was replaced. How much AC compressor oil need to add with the Freon and what type?
Thank you.
Tuesday, April 24th, 2018 AT 5:41 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,752 POSTS
Nothing. Oil circulates through the system and some is lost when a component is replaced. That is when oil must be added. There is a general rule as to how many ounces for a hose or an evaporator, but I do not know what those numbers are. It is pretty small. When the system is pumped into a vacuum, the refrigerant comes out first as a vapor, then the water boils into a vapor at 77 degrees so it can be drawn out. The oil does not vaporize so it stays in the system.
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Tuesday, April 24th, 2018 AT 6:07 PM

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