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Old 06-03-2012, 01:01 PM   #4
Jim W
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Join Date: Feb 2010
Location: Oswego Il
Posts: 820
When I dump the first thing I do is open the black tank valve. Than dump three or four 5 gallon buckets of water down the toilet. This tends to add more water to the tank and help to get the debris to start moving out of the tank. When the debris flow slows down from the black tank, I will than turn on the water to flush the black tank. The black tank flush will run for at least 10 min's or more, you will be surprise at the amount of crud that will come out of the tank the first time you do this.
Jim W.
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Jim & Jill
2010 318SAB Cougar
2008 Dodge 6.7LCummins the original 6.7L engine, w/68RFE Auto
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