How is the freon level? On R-12, you do not want to see any bubbles in the sight glass when the compressor is engaged. There will be bubbles each time the compressor engages, but then should clear up. Does the compressor cycle or is it on all the time?

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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