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09-26-2022, 11:01 PM
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#1
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Member
Join Date: Feb 2022
Posts: 52
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Oil dripping inside the rear of the coach
Please see attached pics. We are getting ready to go on our first long trip with our 2021 Super Star to race my Viper at Indianapolis Speedway, supposed to leave in 5 days. We just noticed oil dripping in through an electric box at the very back wall of the coach, dead center, inside the rear closet. There's wires that go in from the top and down through the bottom. The oil is leaking in from the top wires. This electric box is about chest high while standing in the coach next to it. So maybe 5 feet from the top of the coach. Any ideas? When opening the back hatch, you can't see anything. I'm assuming this is hydraulic oil.
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09-27-2022, 05:15 AM
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#2
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Senior Member
Join Date: Jul 2005
Posts: 5,996
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Looks like honey. How does it taste?
__________________
TandW
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09-27-2022, 06:40 AM
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#3
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Registered User
Join Date: Feb 2021
Posts: 1,337
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Is it oily or sticky? You will need to call Newmar. They only build a couple of those a year. You don't have any hydraulics in that area. Contact your rep on the drivers window. Looks like a lubricant someone might have used pulling wires or something.
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09-27-2022, 10:32 AM
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#4
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Member
Join Date: Feb 2022
Posts: 52
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Quote:
Originally Posted by TandW
Looks like honey. How does it taste?
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It's definitely oil
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09-28-2022, 04:50 AM
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#5
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Senior Member
Newmar Owners Club Freightliner Owners Club LA Gulf Coast Campers
Join Date: May 2018
Location: Lafayette, LA
Posts: 639
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Not sure if there is an oil filled transformer in that area, it wouldn't have a large amount of oil in it or drip for a long time, but that may be something inside that box.. Newmar would have to answer that one..
Also, is that area right in front of your storage in your rear cap is??? do you happen to have motor oil stored in that area that could have leaked out?? I know it sounds weird, but if there are screw holes in that shelf going into that shared wall, it could travel across into that area and leak through if there is a large volume of oil..
__________________
GUS2000 - John, Misti and Marley (Mini Australian Labradoodle)
2024 Newmar Dutch Star 4369/Blue Ox Apollo
2017 Ford Explorer/2018 Ford SuperDuty/M&G Braking System
HAM - K5OJT - Yaesu 991A
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09-28-2022, 08:42 AM
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#6
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Member
Join Date: Feb 2022
Posts: 52
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Quote:
Originally Posted by GUS2000
Also, is that area right in front of your storage in your rear cap is??? do you happen to have motor oil stored in that area that could have leaked out?? I know it sounds weird, but if there are screw holes in that shelf going into that shared wall, it could travel across into that area and leak through if there is a large volume of oil..
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That's a good answer, but yeah that was the first thing I checked. I think this electrical box is higher than my top shelf anyway.
Thanks.
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09-28-2022, 08:48 AM
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#7
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Senior Member
Monaco Owners Club Freightliner Owners Club Holiday Rambler Owners Club
Join Date: Sep 2019
Location: Thornville, Ohio
Posts: 3,697
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Is it kitchen near the the stove exhaust vent?
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Art & Joyce
Thornville, OH
Kia Soul pushing a 36' DP Endeavor
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09-30-2022, 09:59 PM
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#8
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Senior Member
Join Date: Mar 2011
Posts: 754
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Just a wild guess - any chance it could be Hydronic heater fluid. Stuff is basically heavy antifreeze. Any heater lines close by ?
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2014 Newmar Ventana 4037 / 4018
2015 Jeep Grand Cherokee Ltd.
1940 Chevrolet Pickup
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10-11-2022, 03:11 PM
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#9
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Senior Member
Ford Super Duty Owner
Join Date: Jul 2020
Posts: 116
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Quote:
Originally Posted by britcon
J...any chance it could be Hydronic heater fluid. Stuff is basically heavy antifreeze...
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Wrong color to be glycol.
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2018 Newmar Bay Star 3403
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10-12-2022, 08:12 AM
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#10
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Junior Member
Tiffin Owners Club
Join Date: Jun 2017
Posts: 22
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Could it be some kind of dielectric grease?
__________________
Brad & Lisa
2016 Tiffin Allegro Open Road 34PA/2012 Honda CRV
2013 Newmar CS3810, 2004 Tiffin 36OP
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10-14-2022, 04:10 PM
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#11
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Senior Member
Join Date: Jul 2021
Location: Pigeon Forge, TN
Posts: 718
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That's your KIB Electronics control panel. All wiring going in and out is related to lighting, so it shouldn't come in contact with oily substances anywhere. The only possible active source of oil that high up is the rear AC and I don't know what color oil Dometic uses. It would likely not be enough to reach the KIB box, though.
My guess would be a wire lube (unlikely, I don't think Newmar needs it anywhere unless they forget a wire) or someone forgot a lubricant can in the wall during assembly.
__________________
2021 Newmar Super Star 4051, Glacier Interior + Exterior
2021 Bravo Silver Star 24'
2019 Kia Stinger GT2 AWD, White Pearl
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10-14-2022, 04:54 PM
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#12
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Senior Member
Holiday Rambler Owners Club
Join Date: Jun 2022
Location: Mid Coast Maine
Posts: 346
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Just a guess but if their are any Capacitors around that panel that could be a source of clean lightweight oil.
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10-14-2022, 05:06 PM
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#13
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Senior Member
Join Date: Jul 2008
Location: Pennsylvania
Posts: 2,799
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That’s a hydraulic leak from your slide.
They have connectors that can get loose, if you tighten them too much you can break it too.
Bring it to a good Newmar shop, I would recommend the factory service. Worth the trip.
You can do a trip and tour Elkhart while there. The RV Hall of Fame is a great place
__________________
2020 Winnebago Horizon 42Q (XCL chassis)
2022 Jeep Wrangler Sahara Unlimited
99 Storm 30H, 04 Southwind 32 VS, 07 Ellipse 40FD
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10-17-2022, 01:34 PM
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#14
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Senior Member
Newmar Owners Club Freightliner Owners Club LA Gulf Coast Campers
Join Date: May 2018
Location: Lafayette, LA
Posts: 639
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Slide is electric and not hydraulic on the Super Star... any update on the root cause of this Viper?
__________________
GUS2000 - John, Misti and Marley (Mini Australian Labradoodle)
2024 Newmar Dutch Star 4369/Blue Ox Apollo
2017 Ford Explorer/2018 Ford SuperDuty/M&G Braking System
HAM - K5OJT - Yaesu 991A
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