Best Options for Electronic Sway Control for a Yukon Denali with HD Towing Package

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Question:

Hi! I’m trying to figure out if I need a weight distribution hitch. I have a 2017 Yukon Denali with the HD towing package, Automatic Level Control, and Trailer Sway Control system. The GVWR is 7300 lbs and the GCWR is 14000 lbs. The manual has the max tongue weight at 600 lbs if weight carrying, and 1000 lbs if weight distributing. The Yukon Denali’s manual doesn’t say anything about disabling the Automatic Level Control or Trailer Sway Control systems if using a weight distributing hitch. My trailer’s GVWR is 5500 lbs dry 4050 lbs, which would put us at an estimated hitch weight of 550 lbs to 825 lbs if fully loaded. This would seem to require a weight distributing hitch unless the trailer was empty. However,some of the weight distributing hitch manufacturers in their instructions say the factory Automatic Level Control and/or the Trail Sway Control system should be disabled if using their hitch. If using a hitch that says this - am I limited to the max tongue weight of 600 lbs? Are weight distribution hitches with sway control not compatible with factory electronic sway control? Am I better off with the Yukon’s ability to electronically compensate for sag and sway than to use a weight distributing hitch with sway control?

asked by: David H

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Expert Reply:

I have a solution for you but I am sorry the Automatic Level Control system on your 2017 Yukon Denali can not be used with a weight distribution system. The two components work in opposition of each other and it will diminish your ride quality. You will want to use an electronic trailer sway control system like the Tuson Asymmetric Sway Control - 1 to 4 Axles item # 335TSC-1000. The electronic sway control system helps correct sway in trailers without weight distribution. It monitors trailer movement and calculates the most effective braking action to correct sway. The system will then activate your trailer brakes to counteract the sway. It has a proprietary algorithm that calculates and applies the most effective braking response within milliseconds of detecting trailer sway. The sway control braking is applied for 3/4 of a second to prevent tire flat-spotting and still create enough opposing torque to correct sway.

expert reply by: Jerred H

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Answer 1

The Westin E-Series Round Nerf Bars #23-2675 that you referenced are powder coated steel bars. I wish I could say they would hold up well through several Maine winters but they are going to start corroding much quicker than an aluminum set of steps…

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Answer 2

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Answer 3

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 4

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 5

For sag from towing a trailer the best recommendation I can make is actually a weight distribution system. Suspension enhancement will help level your truck while towing. But the advantage to a weight distribution system is that it levels the vehicle…

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Answer 6

Traditionally, trailer manufacturers did not use electric brakes on boat trailers because the brake magnet wiring and trailer wiring did not always have the best insulation or water protection. These days, more and more manufacturers are using…

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Answer 7

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 8

There really isn't a particular maximum trailer weight that is used to determine when brakes need to be added to both axles of a tandem axle setup. While I do still recommend checking your local laws, I am also not aware of any general laws that…

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Answer 9

For a made in the USA aluminum ball mount we only have adjustable units like the Flash Secure 2-Ball Mount #DTSTBM6600-2S which includes stainless steel hitch balls as well. The Fulton #F97CR you found as well as the similar Curt #C74WR and Brophy…

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Answer 10

You will need to do some measuring to determine if the 10 Inch Electric Brake Assembly LH, item #AKEBRK-35L, is the correct assembly for your trailer. Measure the diameter of the mounted brake shoe, the width of the lining and the distance between…

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Answer 11

The B&W Continuum #BW78FR and the Reese Strait-Line #RP66083 are both great systems. The B&W Continuum is going to be easier to set up, but as far as sway control goes, I definitely have to give the edge to the Reese Strait-Line. The…

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Answer 12

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Best Options for Electronic Sway Control for a Yukon Denali with HD Towing Package

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