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Lubricating oil pump service life?
03-24-2020, (Subject: Lubricating oil pump service life? ) 
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JMBT Offline
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RE: Lubricating oil pump service life?
CM2250 764K, So i have removed my oil pump. It is amazingly clean, no soot or gunk in any of the crevices on the case. The pump is clearly marked with a #4 from the factory. When I check the backlash between the drive and idler gears it shows .009, quickserve says a #4 should have .012-.018.

What would make the backlash get tighter?? Mine would only be in-spec if it were a #2 per quickserve.

Another strange thing upon inspecting. The drive gear shaft is supposed to protrude past the gear .003-.006. Mine appears to be flush?

I had no problems with oil pressure when I tore it down.

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RE: Lubricating oil pump service life? - JMBT - 03-24-2020



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