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Old 09-27-2019, 05:38 PM   #1
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Something leaking under hood

First we thought the chassis battery on our 2019 Newmar Bay Star 3626 was leaking. We are currently parked in a resort, plugged into 50 amp power. Noticed an orange spot on ground under that area. Battery cells full, no unusual charging issues, no liquid in the battery tray that the battery sits in. So it isn't the battery.
But below the battery tray, on the left side, something is obviously leaking down and we cannot tell what. Thoughts? I can send picture if someone wants to PM me.

Thanks!
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Old 09-27-2019, 05:41 PM   #2
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We only Orange liquid I know of is coolant. Check the eyeglass new coolant reservoir to see if it is Orange.
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Old 09-27-2019, 06:12 PM   #3
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I have seen water running over a rust spot turn the concrete almost an orange color. Just a thought.
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Old 09-27-2019, 11:15 PM   #4
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Are you sure its not condensate from the AC? as master2301 indicates it could carry rust with it as it passes over chassis. Does the fluid have an oily feel? can you use flashlight to seek out source?
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Old 09-28-2019, 05:36 AM   #5
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Attach a picture of the fluid and ďthat areaĒ please
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Old 09-28-2019, 08:09 AM   #6
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Pictures attached. The water on the pavers is from the A/C runoff. The orange on the pavers is on the baking soda I put down as an absorbent.
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Old 09-28-2019, 08:30 AM   #7
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It appears to me to be coolant from the overflow. Did this happen right after you parked the coach? If the radiator tank was full, heat buildup after the engine was shut down could cause a "burp" out through the overflow tube.

Just my thought.

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Old 09-28-2019, 09:41 AM   #8
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It happened a day or so after we arrived. Has been ongoing on a small scale ever since.
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Old 09-28-2019, 10:05 AM   #9
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At this point it sure looks like coolant leak. 1st step is to check all hoses and clamps for leaks. Hope itís not a leaking rad or engine gasket.
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Old 09-28-2019, 11:50 AM   #10
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I don't know much about the Ford F53 chassis, so can't be of much help here. As has been suggested, check around hose connections, radiator, etc. It might help to run the engine briefly to see if the flow increases. That might help pinpoint the source. Use a bright flashlight to follow the trail of liquid.

Good luck.

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Old 09-28-2019, 12:00 PM   #11
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Hard to diagnose from a photo, but check your battery tray and see if it's retaining water in the bottom of the tray. In the first photo it looks like water is dripping down on the frame and causing rust. It could have filled up with water from rain, washing or A/C run off.

If it's holding water, drill it.
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Old 09-28-2019, 05:27 PM   #12
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When was the last time you checked water levels in the batteries? Did someone perhaps leave a cap loose? Did that once and got orange stains on my driveway. I’m betting on battery acid.
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Old 09-29-2019, 06:22 AM   #13
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2019? Take it or call your dealer 1st...Just my 2
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