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Old 06-16-2019, 07:27 PM   #1
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Join Date: Jul 2014
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Topping off oil on 2007 Monaco Diplomat 40SKQ

I have a 400 Hp Cummins Diesel in our 2007 Monaco Diplomat 40 SKQ and itís about a quart or two low on oil. The dip stick for the oil and the transmission are located on the rear of the unit in a door on the right side and there is a filler tube located under the two dip sticks.
Iíve never put oil in this unit myself. Iíve always had it done by a service station during oil changes. So Iím wondering if anyone knows if that is the filler tube for the engine oil or the transmission. I canít find anything in the manuals I have and I donít want to put the oil in the wrong area.
Any help would be great! Thanks, Keith46

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Old 06-16-2019, 07:54 PM   #2
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Holiday Rambler Owners Club
Join Date: Feb 2017
Location: Oregon
Posts: 50
Yes the one in the bottom is the oil fill tubeClick image for larger version

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08 Holiday Rambler endeavor skq 400 Cummins
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monaco, monaco diplomat

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