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Old 09-11-2019, 06:09 PM   #1
Owner and Traveler
Join Date: Mar 2018
Location: Grapevine, Texas
Posts: 20
Oil in Coolant Reservoir

Anyone found oil in their coolant reservoir (F53 chassis)? I've never seen a high temp idiot light on or warning from the computer. Never aware of any over heating of any sort. Did run thru some love bugs this May and after cleaning off the radiator, noticed the reservoir was about a half gallon low. That's when I noticed the oil in there. When full to the fill line, the bracket blocks seeing the back part of the reservoir where the oil accumulated. The reservoir apparently has a middle wall and the oil is only on the one side for the most part. ave changed the oil, and not noticed any signs of coolant in there. Been over 12,000 mi. since I noticed this, and have had no problems with the engine whatsoever, so not too worried about it. Just a curiosity/nuisance point. The one time I had a shop change the oil might have gotten a rookie putting some oil in the reservoir by mistake.
2018 Winnebago Vista 27PE
jcr5353 is offline   Reply With Quote
Old 09-12-2019, 01:57 PM   #2
Winnebago Owner
Join Date: Jun 2019
Location: NW WI
Posts: 173
Probably not oil just dirty coolant which looks oily. I would dump/flush coolant and replace... Although, odd for an '18. I still would do it. "If" someone did put oil in the coolant you want to get it out.
2003 Ultimate Freedom 40', Diesel Pusher, Cummins 400, Spartan Chassis
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