Hello,
It is not easy to determine the quantity of oil in the AC system. Most of the oil is stored in the compressor. There are no dipstick or sight glass
How A/C works:
https://www.2carpros.com/articles/how-a-car-air-conditioner-works
I found a special tool which seems to make the checking process easier:
https://youtu.be/pSLTB2XIXK0
and
https://youtu.be/uI5x7VPpvVY
See image below.
Hope this helps.
Cheers, Boris
Jan 15, 2023 at 6:39 PM