Black water flush location

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   Hello.
I have a 171 and have been very happy with it. The only thing ... It's inevitable, SOMETHING had to go wrong - my black water tank flush was installed incorrectly, no flush. From 'Search' I guess that this is a fairly common error.

There is a panel in the shower wall next to the bed that MAY allow access to the 'affected area' but it is neatly sealed and I don't want to unscrew it unless I have to. Does anyone know how to access the tubing in a 171 to get at the flush valve??

Thanks

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Happy Tripping Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 27 May 2014 Online Status: Offline Posts: 473	Topic: Black water flush location Posted: 12 Jan 2016 at 8:13am
	Hello. I have a 171 and have been very happy with it. The only thing ... It's inevitable, SOMETHING had to go wrong - my black water tank flush was installed incorrectly, no flush. From 'Search' I guess that this is a fairly common error. There is a panel in the shower wall next to the bed that MAY allow access to the 'affected area' but it is neatly sealed and I don't want to unscrew it unless I have to. Does anyone know how to access the tubing in a 171 to get at the flush valve?? Thanks

funks Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 05 Nov 2014 Location: CALIF Online Status: Offline Posts: 98	Posted: 12 Jan 2016 at 10:14am
	On a 179 the one-way flush valve is located way up under the bathroom sink. It was a black plastic valve. I had to reverse my valve because it was installed backwards. I also had to flush out the water line going to the black tank because black water was able to back up into the line. I had to remove the spray end that is installed in the black tank and clean it out. I hope this helps you. Overall it wasn't a hard job and it let me know my system better.

Commander203 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 19 Feb 2015 Location: Central Texas Online Status: Offline Posts: 87	Posted: 12 Jan 2016 at 11:37am
	I read a lot about those being installed incorrectly, guess I was lucky mine was installed correct. Good luck Happy Tripping, it's part of the fun learning how to make repairs.
	Mike & Erin 2013 Tundra 4.6L V8 (Tow PK) 2006 Honda Goldwing GL 1800 2005 Honda VTX 1800N

furpod Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group - pHp Joined: 25 Jul 2011 Location: Central KY Online Status: Offline Posts: 6128	Posted: 12 Jan 2016 at 12:04pm
	The panel you are looking at is the plumbing access panel. Open there. 4 screws.

GLBCamper Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 30 Jun 2015 Location: Oregon Online Status: Offline Posts: 274	Posted: 12 Jan 2016 at 3:48pm
	Mine (2014 177) was behind the bathroom sink. Also installed backwards. Removed the sink screws, pullEd off the sink, reversed the valve and reinstalled the sink. The hardest part of the job, by far, was cleaning up all the sticky caulking!
	Old: 2014 177 HRE 2015 Tacoma V6 4x4 Double Cab New: 2016 EVO ATS 200rd 2016 F150 4x4 Sport

mcarter Members Profile Send Private Message Find Members Posts Add to Buddy List podders Helping podders - pHp Joined: 07 Apr 2016 Location: Greenbrier, TN Online Status: Offline Posts: 3419	Posted: 09 Jun 2016 at 3:20pm
	I have a 2015 178, and the black water flush doesn't work, I have looked everywhere for a valve, behind the plumbing access on bedroom wall, below the floor, inside right rear storage. Anybody have any idea where the flush valve is on a 178? THANKS

GLBCamper Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 30 Jun 2015 Location: Oregon Online Status: Offline Posts: 274	Posted: 09 Jun 2016 at 5:09pm
	Not sure about the 178, but on my 177 I could not access it from the removable wall panel on the bathroom wall. That area is too high. I still had to remove the sink to get to it. But I think you should be able to look down and see it, though. Other threads on this topic show pics of what you should be looking for.
	Old: 2014 177 HRE 2015 Tacoma V6 4x4 Double Cab New: 2016 EVO ATS 200rd 2016 F150 4x4 Sport

mcarter Members Profile Send Private Message Find Members Posts Add to Buddy List podders Helping podders - pHp Joined: 07 Apr 2016 Location: Greenbrier, TN Online Status: Offline Posts: 3419	Posted: 09 Jun 2016 at 5:49pm
	THANKS, I can hear a noise in that area when I put a hose on the flush line, but no water goes to the tank. Will investigate further tomorrow, if not I'll dump water in toilet and flush that way.

techntrek Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group - pHp Joined: 29 Jul 2009 Location: MD Online Status: Offline Posts: 9062	Posted: 09 Jun 2016 at 8:50pm
	Common issue, the backflow valve is installed backwards.
	Doug ~ '10 171 (2009-2015) ~ 2008 Salem ~ Pod instruction manual

mcarter Members Profile Send Private Message Find Members Posts Add to Buddy List podders Helping podders - pHp Joined: 07 Apr 2016 Location: Greenbrier, TN Online Status: Offline Posts: 3419	Posted: 10 Jun 2016 at 4:54pm
	All, THANKS, I can see from access panel and valve is behind sink, not ready to dismantle yet, appreciate info that lets me know where it is at.