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Old 01-26-2016, 03:07 PM   #1
Junior Member
Brand: Thor Motor Coach
State: Michigan
Posts: 5
THOR #2811
Lack tank problems

Have a 3016 four winds 31w..Seems like black tank has shelf where residue collects,and will fill the shafts rather quickly. .Wondering if it is design flaw,or what I can do about it. Even running the black flush won't remove it. Any suggestions?

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Old 01-27-2016, 02:17 AM   #2
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Yosemitebob's Avatar
Brand: Thor Motor Coach
Model: Four Winds 33SW, Diesel
State: Washington
Posts: 352
THOR #3195
I don't think I understand what you are asking I think you are saying that your getting deposits on the ramped bottom of the black tank and it is not dropping into the lower section near the holding tank bay where it drops down. If that is the case you are not using enough water, or you may have to just drive and let it break up with the chemicals. The tank flush I didn't think came with the coach, I had to add one for mine and if it is not aimed correctly, and installed in the same bay, it will not cover the upper part of the black tank.

I just noticed this is your first post, welcome to the forum. I have a 2015 four winds, about 1,001 years older than yours new 3016.
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