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Technical Support / Re: Black tank capacity?
« Last post by Mike Shumack on Today at 01:57:32 PM »
Having a larger Grey tank (than the Blank tank) would be smart - but seems every Coach I've seen has the same size tanks.

And the 1999 Contessa specs says they are the same size. So one of the publications has a typo. I think the typo is in your manual. You could get a five gallon bucket and dump buckets of fresh water in the tanks (when empty) and see when they read "full". Dump it in Shower drain to check grey tank.

General Discussion / Re: Hard to stay in my lane!
« Last post by Mike Shumack on Today at 01:45:38 PM »
I have a Tag axle so I don't see the same issues you guys with single rear axles experience, but I did find that the tire air pressure makes a huge difference in handling. Too much air (running max pressures) in the tires makes my front end wander more.

Also the weight on the front axle makes a difference. The more weight the better (while not exceeding the axle and tire ratings). I can put more weight on the front by adjusting my Tag axle air pressure. You could shift cargo around in you storage bays as needed.

The first thing you should do is get the coach "weighed". Get a "four corner weighing" (each tire/axle weight reported individually) then set the tire air pressure according to the weight.
General Discussion / Re: Hard to stay in my lane!
« Last post by Fred Cook on Today at 01:29:32 PM »
If you just happen to be in the southeast around Atlanta, you can purchase the Safe-T-plus from the factory and they will install it free. Mine works very well.
Technical Support / Re: Black tank capacity?
« Last post by Fred Brooks on Today at 01:26:15 PM »
     Lonne, You can measure the tank, length X height X width equals total square inches. Then divide by 231 will give you "gross gallons" The tank has built in draft, so measure each end and then average the difference. Example 60 X 20 X 10=12,000 divided by 231 equals 51.94 gross gallons. Subtract 10% for tank thickness and air space equals 46.75 approximate capacity. Fred
General Discussion / Re: Hard to stay in my lane!
« Last post by Joel Ashley on Today at 06:35:38 AM »
As others here note, if you can get to Grants Pass (as weather permits) you won’t regret a Henderson’s Line-up Road Performance Assessment.  They are family-owned, honest, and arguably the best chassis people in the country.  Check the info and video(s) on their website:   .

I had a Safe-t-Plus on my gas coach and don’t know why I waited 9 years to have Robert put one on Monty Rae.  They added their own Super Steer brand “Motion Control Units”, Koni shocks, and judiciously tweaked the adjustable steering during the follow up road test.  The coach, which except for having 4 slideouts is essentially the same as yours, now handles and rides like I’d expect it (or a Cadillac) to.  Yes, it was a substantial expense, but a worthwhile upgrade.

There is still the very slightest, almost unnoticeable vibration on some roads, but Henderson’s test tech considered it unconcerning.  It could be a slightly off balance weight on a wheel.

General Discussion / Re: Fresh water dump
« Last post by David Stiles on Today at 03:24:56 AM »
Hello everyone, today I tried to dump the fresh water tank with no luck. Steve Huber suggested that I check for 12 volts at the valtera switch. Before I proceed to tear the panel apart so I can get to the back side of the switch so I can check for voltage, I just wanted to check with everyone to make sure this is the right procedure for removing the switch. Thanks again for everyone's help. David Stiles
Technical Support / Re: Black tank capacity?
« Last post by Steve Huber Co-Admin on Today at 03:15:54 AM »
The right hand tank looks relatively new.
Technical Support / Black tank capacity?
« Last post by Lonne Mays on Today at 02:09:56 AM »
My 1999 Contessa owner's manuals state that the black tank capacity is 40 gallons and that the grey is 80 gallons.  From the attached picture it is easy to observe that the black and grey tanks are the same size, and both appear to be about the physical size (in cubic feet) to be 80 gallon tanks.  Is the capacity of the black tank only 40 gallons because it it never supposed to be filled up more than half way?  Or is the capacity stated in the owner's manual wrong?
Technical Support / Re: Tank Smell Inside
« Last post by Greg Kamper on December 05, 2019, 05:26:48 PM »
I know this is an old post... but I too poured about a cup of water in the washer/dryer before our last trip home and ran the spin cycle. We had zero odor on that trip home. That was a first for us in the 5 years we've had the coach. :D
General Discussion / Re: Fresh water dump
« Last post by Steve Huber Co-Admin on December 05, 2019, 04:21:25 PM »
The Owners Manual is also available in Coach Assist.
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