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Old 08-02-2016, 11:14 AM   #11
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Join Date: Mar 2016
Posts: 353
Originally Posted by ilmor View Post
Do you know that your oil level was full before you started?

I see you don't have a manual. I don't either LOL. Try going to the Onan (I assume you have) website and downloading the manual, it's probably there. You should use whatever oil they recommend, especially while under warranty.
The manual is on a CD disk and the entire packet should have been wired to the Onan Generator. located under a cover on your Motor Home.. did you by chance ever open that cover to see if anything may have been hiding there.

As an owner it is your responsibility to do general maintenance on your motorhome, unless of course you prefer dropping it off at your dealership and letting it sit there for only god knows how long before they even get a chance to look at it.

ShermanD is offline   Reply With Quote
Old 08-07-2016, 07:53 AM   #12
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Join Date: Jun 2013
Posts: 186
They will use a bit of oil every 8hrs or so. Maybe .5-1 oz , not much. I've got 500+hrs on our 4k Onan and oil useage is still about the same. I fill to the halfway mark as it seems to keep the "burping" oil out the air filter to a min.

2011 Sunseeker 3170DS - 30,000 miles explored
funfinder5 is online now   Reply With Quote


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