Not enough tension on dealer installed wdh?

You need to re-phrase the title of your thread to get a better response. The key is, you have a Yukon with Auto Leveling, that's a big deal. The dealer won't know squat about how to set it up. But if the title of your thread was phrased better, I'd bet you would find a couple of people with all the knowledge you need to guide you on how to set up the WDH on it.

When you get your trailer out of storage and loaded, then adjust what you need too. The dealer where I bought my travel trailer set my WDH up. I installed my own brake controller and then after my trailer was loaded...I had to redo my hitch. When my trailer is hooked up the front fender to the ground measures the same as it does without the trailer connected. I have to jack up my trailer tongue to put my bars on, level ground no problem, front of vehicle higher at certain spots...becomes a problem.

Adjust it your way. If it doesn't feel right mess with it. My friend who worked for For a dealer said people cam in during the summer at 90 degrees and still ahd the heat on . They didn't want to mess with it they said.

It is important to remember, the dealer only knows the TT and published rating of your TV.

They do not know if you are a minimalist or a person that attends anvil conventions and displays his large anvil collection.

It is up to the individual to determine the end use and suitability of their TT and TV combo.

Fortunately their are folks on the board who can help you learn what questions to ask or consider.

Good luck

I left the dealer with the WD hitch at seven links with TT empty. I use 8 or 9 links with TT loaded.

The hitch manual says the TT and TV should be level. So I adjust for level or the TT a bit nose down.

I have never had a sway problem.

“I'll take it back into the dealer with my concern about hitch height and weight distribution in Spring.”

Why? They didn’t consider the GM air suspension the first time and air suspension is very common...on every Chevy/GMC Tahoe/Yukon with the trailer package. I’d do it, and did, myself.

Thanks for all the quick responses!

I think my suspicion has been confirmed. The hitch height and weight distribution should have been setup with the TV on and auto leveling engaged. It was not. I unhooked the swaybars by hand easy enough without extending the ram jack.

I also apreciate the comment about weight for my TV. It was something I spent a fair amount of time researching. What I came up with is it is not a drive train issue as I have the 6.2 liter lt1 corvette engine (insert Tim Allen man grunts), 4:20s in the back, and slotted roters. But instead it's a suspension/hitch weight thing. Too bad they don't make 3/4 ton Yukons any more...

After much soul searching I opted to pass on the 5800 pound dry weight 28' with 1000 pounds of cargo I was considering. Instead for about the same dry weight I got 15 instead of 14" wheels. That gained an extra 1000 pounds of cargo capacity. They way I'm looking at it is that adds design margin not more stuff I can haul. I like to camp light and have no intension of loading heavy or carrying water beyond the dump station.

I'll take it back into the dealer with my concern about hitch height and weight distribution in Spring.

Appreciate the advice!

From what the OP said, it sounds like there are 2 systems working against eachother: the WDH and the air suspension.

The WDH may be set up perfect for when the air system isn't on; however, when you turn the TV on and the air system engages, it throws off all WDH adjustments.

With the TV off, the trailer could be sitting perfectly level and the trunnion bars set perfect to restore the stock weight to the front axle. This will always put some load on the rear axle.

Once the TV is turned on, it senses a lower rear end and engages the air to lift the rear of the vehicle. In theory, this is great...except it throws off the hitch height and likely takes load off the front axle and puts more weight on the back axle.

This can be shown in the following video:
The Difference Between Using Weight Distribution and Air Bags to Level Your Load

I would suggest setting up the WDH with the TV running so that the air suspension is enabled as it would be rolling down the road.

Your last step is to take it to the scales. Doing so, you're specifically looking at the front axle weight without the trailer hooked up to the TV and then the front axle weight when the trailer is hooked up with the WDH engaged. The weights should be close to equal with the trailer level or slightly nose down and with a tongue weight of 10-15% of the overall trailer weight.

pictures of the setup (with and without levelling) may help the forum quickly point you in the right direction.

Seems like you should be setting up the hitch with the load leveling on. What does your owners' manual say about WDH applications?