Water in running boards - Ford Powerstroke Diesel Forum
6.7 Exterior Discussion (2017-2019) 6.7 Exterior Discussion

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post #1 of 4 Old 07-08-2019, 05:43 PM Thread Starter
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Water in running boards

I wanted to share today that I noticed water seemed to be dripping out of my stock retractable running boards. I set the boards to the out position and they both proceeded to drip. Getting a little concerned about how much water was in them (rust), I decided to take the caps off. The caps remove with 2 screws each and it's simple to just pull the caps out.
Anyway, I found that the running boards are completely plastic, so no rust concerns there. I will leave them open overnight and put them back on tomorrow.
It appears there is a gap in one corner of the caps to allow them to dry out. Anyone considered using a little silicon on the rest of the cap to help seal them up?

2017 F350 Platinum.

Last edited by ittechguy; 07-08-2019 at 05:44 PM. Reason: Truck data.
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post #2 of 4 Old 07-08-2019, 06:05 PM
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You want the drain for condensation
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2016 F-250 Super Crew XLT 6.7L
2007 F-250 Super Cab XL 6.0L (sold)

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post #3 of 4 Old 07-08-2019, 06:53 PM
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Front mud flaps would help with lessening the amount of water splashed on the running boards -- like from WeatherTech or Husky

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General note:
For all those wanting a premium silicone sealer Kubota 70000-73764 is the best your gonna find. This is a hybrid gray silicone that uses solvent rather than acid to start the curing reaction, this makes it safe for aluminum and and any surface that involves coolant.
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post #4 of 4 Old 07-08-2019, 07:48 PM Thread Starter
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BBBRRRRRTTTTT, why do I want to drain them? What's the reasoning anyway and thank you.
Hydro, I have been thinking I need mud flaps front and rear. I have a plastic bumper around each rear fender corner. I wasn't sure which mud flaps would be compatible with that, or do the plastic bumpers come off for the mud flaps?
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