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Old 08-24-2015, 06:05 PM   #1
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full tanks on the road ?

Got out my useless Jjayco Greyhawk owners manual...per usual nothing about black tank flush how to.
But it said never to travel with full black/grey and fresh water tanks...probably due to cheap crappy construction ???
So when boondocking guess I should just dump the poop wherever, when I get to wherever I am going look for a water spigot to steal water...blah blah blah....
What useless advice...novice owners will surely wonder what to do.
By the way in my old A and my new Greyhawk my tanks are usually full and I dump at our free dump station near home.
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Old 08-24-2015, 06:40 PM   #2
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I have driven many miles with the FW tank filled. I do dump the black and grey tanks before leaving a campground to avoid hauling several hundred pounds of water. But when we boondock while visiting our daughter in Nashville, I often drive several hundred miles with almost full black and grey tanks. Nothing has fallen out yet.
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Old 08-24-2015, 09:45 PM   #3
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Look into how heavy water is and then look at exactly how heavy that would be...

I fill fresh and let it flow through to grey and black draining when fresh is all gone or at a real site. That way there is no real weight change, just a different distribution of weight.
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Old 08-25-2015, 10:53 AM   #4
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Dump at the CG before leaving if you can. Many states have dump stations at their rest areas along the interstates. Also Camping World usually has a dump station. We have a state park just 2 miles from our home so for shorter pulls where the above is not practical, we make a stop there before returning to the homestead.

Full tanks [Black, Gray, and fresh] will add considerable weight to the RV. Why pull or drive with it if not absolutely necessary?
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Old 08-25-2015, 01:23 PM   #5
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8.34 lb per gallon of water.

If all holding tanks were full, you would have nearly 900lb of additional weight to pull around.

Just filling fresh water is nearly 300lb.
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Old 08-25-2015, 03:51 PM   #6
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We do a lot of boondocking. Either at friends lake homes or when I bbq cater an event like the outdoor wedding I did last weekend.
So this is usually 2 to 4 of us using the facilities for a full weekend.
I drive all the way home with tanks half or near full. But often times it's only a hours drive or less.

The fact the manual states to never drive with tanks full sounds it's like one of those "gotcha" things if something goes wrong.
"The manual clearly states sir not to drive with the tanks full we are not liable for your tank falling off on the freeway"

The more I read about Jayco I'm begining to second guess if I should purchase a new one.
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Old 08-25-2015, 04:01 PM   #7
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I have travelled long distances with all 3 tanks full. It's not my preference but it hasn't hurt a thing on either of my units. My old owners manual actually said to travel with a 1/4 black tank as the road movement would free up anything that might be stuck in there. We go many places that don't have dump stations so by the time we leave, we are pretty full.
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Old 08-25-2015, 07:15 PM   #8
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UpNorth, what would you consider a better manufacturer?
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Old 08-25-2015, 08:08 PM   #9
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Quote:
Originally Posted by CarlB View Post
UpNorth, what would you consider a better manufacturer?
Don't get me wrong it's not that I think Jayco is a bad manufacturer as I'm sure they all come with their issues. I have never owned one so don't have first hand experience. But it does seem I have read a number of things about the new Jayco that give me pause.
Vibrations at 60 to 65 mph which has been said it's due to being unable to balance the drive shaft due to the frame extension.
Helper springs not adjusted properly from the factory.
The tank less hot water heater issue.
Complaints on the nav system
Hydraulic leveling jacks mounted too low.
And of apparently according to this thread the owners manual is worthless.
Not that that in itself is a big deal but it does say something about the manufacturer if they can't even put a decent manual in the new owners hand after spending $80,000 or so.
These things I'm reading here and at other forums are starting to add up.

I don't plan on ordering a new one until February so I have until then to keep up on things to see if Jayco corrects any of these items.
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Old 08-25-2015, 08:51 PM   #10
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My springs supposedly aren't right, but she rides fine, IMHO. no driveline vibrations on mine. Alignment was approved by jayco and she tracks much better. Hw heater, well soon I will be petitioning jayco for a DSI unit as it doesn't fit our usage style. Nav system- I don't think there is any in dash unit that has any good rv features nor are they easy to maintain, so I don't count on it for navi.

I just ran my rig from FL to Alaska during the month of July, so I am not just a new owner with a few trips under my belt. Getting a new rig from any maker requires some patience as the systems get any bugs ironed out. Any unit that is a few year old has most of the heavy depreciation behind it and the systems work well as long as the owner cared for the unit. Our path was a new popup to a used class c to our current brand new class c.
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