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Logan X · 05-08-2020, 09:14 AM

The black tank flush check valve connections could be loose or it may be installed backwards.

Here is what it looks like.

05-08-2020, 09:14 AM	#6
Logan X Senior Member Join Date: Oct 2018 Location: Southern California Posts: 1,286	The black tank flush check valve connections could be loose or it may be installed backwards. Here is what it looks like. Attached Thumbnails __________________ Mike 2017 F250 6.7 Powerstroke FX4 crew cab 2016 Hideout 24BHSWE (27 foot TT)