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  1. Felde

    3B oil pressure question

    Thank you all for your input. I did a bit of research and measurement. Here are my findings: Parts and part numbers: In the early BJ73 (like mine) there was no measuring gauge but only a check-light for oil pressure in the dash. Hence there are actually two switches. The bell-shaped sensor came...
  2. Felde

    3B oil pressure question

    Yes. This all exactly matches my research, opinion and current practice. Thank you for gathering all the snapshots, I appreciate it. So we agree: There are two oil pressure switches (dash light and EDIC). I experience the dash light to stay on long and the EDIC cutoff to kick in occasionally. As...
  3. Felde

    3B oil pressure question

    Am I actually right on this?: The 3B apparently has two oilpressure switches (one for the dash light and one for the EDIC emergency shutoff)? All parts diagrams only show one (probably because being identical) but the wiring diagram shows two and I also see what I believe are two (right engine...
  4. Felde

    3B oil pressure question

    Yes. I need to find a gauge that fits. Probably right for winter conditions (5 vs 25). But for normal ambient conditions (20°C 70°F) we are actually on the same side (40). And I had the issue also this summer at 26°C 80°F. Thinner oil (30) wouldn't help on the blowby rate and engine this...
  5. Felde

    3B oil pressure question

    Rather no. The truck parks dry in a garage. The issue even persisted at the hot summer days we had. I wonder whether the sensor may age, though. Cheers Ralf
  6. Felde

    3B oil pressure question

    Hello I have a 1985 BJ73 with a 3B engine. 317000 km on the teller. The PO said, the engine is a replacement and has actually less km, but there is no proof. The engine runs great. But I note since a while now on 'cold' starts (around 17-25°C / 70F) that it takes longer for the oil pressure...
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