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Old 01-11-2019, 07:11 PM   #1
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2015 DS Coolant leak tracked to it's source...beware!

I'm cross-posting in a couple of places because quite a few people may be interested in this. We have a 2015 Dutch Star 4369.

When we arrived at our campground in early November, our coach had no problems. About a week ago, I fired up the engine for a few minutes just to let it run. After starting it up, we got a Check Engine light and a warning that Engine Coolant was low.

I saw no leaking under the coach, so I waited a week and then put two gallons of coolant in the reservoir. But it didn't fill it to the little window where you check the level, so we went out to get another two gallons.

When we returned, my wife asked about water she saw dripping under the coach. I got down and noticed it was coolant! A lot of it was dripping. The strange thing was that it was dripping from a point about five feet behind the front wheels - way in front of the engine in the rear.

I checked the reservoir and it was empty. A leak for sure.

We made a lot of phone calls (mobile mechanics, Freightliner, and Cummins). A mobile Cummins guy could come out within an hour or so, and we decided that he should come even though they charge $222 per hour.

When he got out, he looked everywhere and found that a squirrel (maybe a mouse, but doubtful) had chewed a good 18-inch section of the coolant hose at the back of the passenger side bay between the two slides. At least one hole was along the chewed area. The tech cut out that section of hose and replaced it. We also had him sprinkle in some Critter Ridder in the area.

Note to self: periodically check all "hidden areas" for creatures, and maybe even sprinkle a bit of a repellent. We had one mouse about a year ago, and have kept loaded traps both in the house and in the basement - and haven't seen once since. This little episode will probably cost us close to $600.
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Old 01-12-2019, 04:59 AM   #2
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Mike, was this a hose that was part of the Oasis connection to the engine coolant?
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Old 01-12-2019, 05:22 AM   #3
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Thanks Mike - good info for all - might your insurance cover some costs if more than your deductible?
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Old 01-12-2019, 06:30 AM   #4
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Quote:
Originally Posted by lostinfla View Post
Mike, was this a hose that was part of the Oasis connection to the engine coolant?
Jim, apparently it was a run to the dash heat. Yeah, surprised me too.
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Old 01-12-2019, 06:32 AM   #5
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Originally Posted by Lv2Roam2 View Post
Thanks Mike - good info for all - might your insurance cover some costs if more than your deductible?
Maybe my extended warranty - except that they have a pre-approval requirement (RVCare) and I was busy trying to find and lock in someone to fix it and didn't call them.
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Old 01-12-2019, 06:34 AM   #6
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wow....never seen this one before.....

glad you got it fixed quickly.....sorry for the $$$ you are out....

just another example of how bad rodents can be !
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Old 01-12-2019, 07:57 PM   #7
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Hmmm...Cats vs. Air pistol with silencer and Night vision. Which to get...???
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Old 01-14-2019, 02:21 PM   #8
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Just got the final bill: $614.
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