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Old 01-16-2015, 08:06 PM   #57
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I had to put it on the 9th link to get front end from acting so squirrely. Here's a pic of the sticker. Attachment 230533


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Thanks. On my 2010 Yukon Denali, the payload sticker says 1544.

With you using 9 links, how many links are exposed between the chain bracket and the end of the bars? One advantage the Sway Pro hitch has over what I have now is, with the Sway Pro I could turn my tightest possible U-Turn with the bars connected, with no problem. When I was in the turn, one chain would be real tight, and other would be totally slack. Do you have the same ability to do a U-turn?
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Old 01-16-2015, 08:50 PM   #58
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Hmmm. Not sure about the u turn. Never had a problem with them.


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Old 02-08-2015, 09:32 AM   #59
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This week I received a new shank from Blue Ox. This allowed me to drop the head approximately 2", which resulted in a completely level trailer. However, I am still having issues with the Denali's auto load leveling system. I loaded my TV and trailer similar to camping before hooking up the trailer. I then hooked up the trailer and allowed the load leveling system to inflate. After the system finished leveling the Denali, I attached the WD bars up to the 9th link. This returned my front end to exactly the same point that it was at before connecting the trailer. After measuring the front end I returned to rear of the vehicle. After about 15 seconds, the load leveling system began inflating the shocks again. It inflated the shocks for another 5 seconds or so. I re-measured the front end and there didn't appear to be any change. I am sure though, that the 5 second or so inflation had to take pressure off the chains. Not sure how to proceed at this point. Your thoughts?


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Old 02-08-2015, 09:59 AM   #60
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Ok.. I'll stick my virtual neck out here...
Pat, what are "all" the measurements? if the 'shocks' which kicked in are the REAR shocks...then there may not be much change in front... is the trailer still 'level and at exactly the same height?
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Old 02-08-2015, 10:12 AM   #61
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Yes, the trailer is still level. The front wheel well measured 36.25 before and after the last shock inflation.


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Old 02-08-2015, 10:20 AM   #62
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Yes, the trailer is still level. The front wheel well measured 36.25 before and after the last shock inflation.


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So was the inflation on the rear?
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Old 02-08-2015, 11:08 AM   #63
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Originally Posted by Pat Cassity View Post
This week I received a new shank from Blue Ox. This allowed me to drop the head approximately 2", which resulted in a completely level trailer. However, I am still having issues with the Denali's auto load leveling system. I loaded my TV and trailer similar to camping before hooking up the trailer. I then hooked up the trailer and allowed the load leveling system to inflate. After the system finished leveling the Denali, I attached the WD bars up to the 9th link. This returned my front end to exactly the same point that it was at before connecting the trailer. After measuring the front end I returned to rear of the vehicle. After about 15 seconds, the load leveling system began inflating the shocks again. It inflated the shocks for another 5 seconds or so. I re-measured the front end and there didn't appear to be any change. I am sure though, that the 5 second or so inflation had to take pressure off the chains. Not sure how to proceed at this point. Your thoughts?


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Pat,

Proceed to the scales and ck to see if that 5sec of pump'n has changed the weight being transferred to the frt axle...if the measurements are the same it's very likely the weights will be close.

Drive & see how it performs.

Bob
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Old 02-08-2015, 02:01 PM   #64
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Channing, Yes. Just rear inflates.

Bob, I won't be able to get to the scales for a while but I feel pretty good about the weights. I drove it for about 40 miles with a pretty good wind yesterday after re-installing the hitch. It's still pretty hard for me to know if its handling correctly, or not. Getting behind the wheel with the trailer hooked up is still pretty stressful. Hard to get the feeling of getting hit and flipped out of mind. I am sure that it will go away eventually but for now it seems to be influencing the way 'I think' the trailer is handling. GM sure could have made things easier by giving one the ability to totally disable the auto leveling feature similar to the way that sway control can be disabled on a Ford.
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Old 02-08-2015, 02:50 PM   #65
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Pat,

Just take your time, it's on your side after all.

Good Luck


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Old 02-08-2015, 10:31 PM   #66
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Another three passes across the scale (one, hitched with WD applied; two, hitched with WD slack; and, three, truck solo) will confirm, as you know. Those numbers in the above scale tickets look spot on.

Tire pressure is the other half of the equation. TT pressure is to sidewall max. TV tire pressure is working within the vehicle manufacturer guidelines. Steer Axle can stay as if solo. Drive Axle increased to near recommended max or according to Load and Pressure Table so long as vehicle manufacturer minimums/maximums are kept.

After establishing pressure when cold (sits overnight), and then after an hour or longer steady state driving, ease off road to a gentle stop and check pressure. A rise of more than 7% means an additional 5-psi. Seven or less one can leave it alone until another day.

Tire pressure also relates to TV handling. Built in understeer characteristics are retained when pressures are respected. This may mean the truck feels sluggish in transitions compared to solo. It's normal. It takes time to get used to. Don't increase Steer Axle pressure except by testing. For now, so long as those tires aren't running hot, leave it alone.

As to confidence, with FALR and tire pressures dialed in, the rig is as close to recommended spec as you will find.

Brake controller operation is the other thing to know. Paved road or gravel, each will have a different setting.

Mirror setting after seat posture correction. The driver shouldn't be slouched so that any maneuver entails changing position. This is usually more forward and upright than what might be found as the norm. It also means less jolting transferred to driver.

Mirrors are that one can see well the rear edges of the TT. The rear horizon should appear at the mirror midpoint.

Over time ones consciousness sort of expands. One is more aware of the fact the rig pivots first on the TV Drive Axle, and second on the TT axles. A feel for the thing develops.

With WD confirmed and tire pressure checked, the rig is ready so far as these things are concerned.

Good luck
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