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It's not an uh-oh this time but strange
Although I share a good amount of problems and questions here, I try to not bore you with every nitty little thing. Last time I talked about low power and a leaking exhaust. What I didn't mention is that my oil pressure gauge (not the idiot light) on my well-experienced 1996 Discovery with a Cummins B 5.9 mechanical engine started pointing all over the place at the same time as I noticed low power. I didn't put the two together until I read somewhere that newer Cummins engines would actually shut down without a working pressure gauge. Or I may have dreamed that. I really don't know. The dash gauge needle finally buried itself in the full clockwise (high) position and hasn't moved since.
Point is, oil in my engine is new and on the full line and the oil pressure idiot light never came on. So now I want to change out the oil pressure switch that Freightliner installed and hooked up to the dash gauge when they built my coach.
FCCC told me yesterday the Freightliner part number is GAFP116412 but he couldn't sell me one. He also said I should be able to find a switch made by VDO. That part number is VDO3600023. The Freightliner number search comes up zero for me. The VDO number comes up on O'Reilly's Web site. I just got back from my local O'Reilly's and they tell me that they have to do a special search to even see if they can get one and will let me know later this week.
I'm heading under my bed box right now to look again for the switch but even if I find it, what good will it do if I can't get my hands on a new pressure switch. Surely (and Shirley, too) someone has replaced this on an early model Discovery and hopefully can point me in the right direction for it's location on the engine and the location of a new replacement. Please?
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