They system holds 6-8 oz of oil. 8oz is ideal. Since there is oil already in the system, you would need to totally flush the system and start from scratch so that you will know how much.

Also, when there isa refrigerant leak, oil is lost as well.

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RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K

90 Dodge D250 5.9 Cummins/5 speed. 400K

Gone and still missed...1982 w123 300D, 1991 w124 300D