Any risks involved in converting AC R12 to R134A with your 90 VW Passat?
YOU WILL NEED TO FLUSH THE SYSTEM TO REMOVE THE OLD OIL. ALSO INSTALL A HIGH PRESSURE SWITCH AS REQUIRED BY THE EPA. THEN INSTALL CORRECT AMOUNT OF OIL COMPATIBLE WITH R134A. CHARGE TO ABOUT 80% OF R12 BY WEIGHT.
Some of the risks involved with undergoing abdominal liposuction surgery include: infections, fat embolisms, puncture wounds to an internal organ, swelling and burns. To minimize the risks, make sure you are working with an credentialed and experienced cosmetic surgeon and that the operation takes place in a hospital or sterile medical facility.