I have a what appears to be a seapage leak on fitting of the hose that runs to the oil cooler. Is there a crush washer or an o-ring inside that fitting?

The leak looks like it is on the threaded portion of the fitting. It is on the upper connection.

Yes, I did clean the engine. The oil cooler lines are fine, no cracks, not mushy either.

Thanks!

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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