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Old 11-16-2014, 05:12 PM   #11
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Yes, they do sit down on the stops with a bit of a bulge. Whether its enough, I don't know. It really didn't feel like they were losing contact, or at least not that I noticed, just very bouncy.
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Old 11-16-2014, 05:39 PM   #12
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Sounds to me like the Timbrens are bouncing off the axle when towing the trailer. I have them on my 1500 which I used to use to tow our TT and did not have the bounce, but my tongue weight was very heavy so the Timbrens were likely well seated on the axle. I have experienced the bounce going over bumps when my truck was only partially loaded down with weight (not towing), and the Timbrens were not fully resting on the axle. As said unloaded there should be a 1 to 1.5 inch separation between the Timbrens and the axle....Not sure either what the fix would be.
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Old 11-16-2014, 06:10 PM   #13
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I'm currently fighting a similar issue with my truck. I don't have Timbrens installed but the truck rides horrible with the trailer attached. I've gone up one link and that's when it started. I too think my trailer is too nose high now, but having a hard time believing that's what's causing it to ride bad.
If you readjust for level come back and give us an update please.
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Old 11-16-2014, 06:49 PM   #14
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From the info I've gathered on this Forum about WDH's, the front of the trailer should be slightly nose down, spring bars [or equivalent] should be angled slightly down at the ends, return the front of the TV back to manufacturers spec [ie Ford is 50%] and the rear will take care of itself. Nose high trailers are more prone to sway. I purchased the Timbrens to alleviate sag. I knew I was going to change the dynamics of the hitch after the Timbrens were installed. It took me a few times to get it where I thought it was right. Interested in what the Timbren people say.
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Old 11-16-2014, 06:51 PM   #15
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Will definitely provide updates. Beginning to wonder if its a combination of sitting a little high on the tongue and slightly less tongue weight than normal. We did take some things out as it was going in for service. It is not completely unloaded but the tongue is, I am sure, lighter. Those two factors together could, I suppose, make the Timbrens bounce off the axle in certain situations. Not sure that theory gives me a clear idea as to how to fix it. Lowering the ball almost 2" seems like a lot, but that may be the only solution. I am also curious what Timbrens customer service says, hopefully they have a solution.
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Old 11-16-2014, 07:07 PM   #16
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Timbrens wont help sway... they are for load...
What is your tongue weight? it should be 10-15% of your total trailer weight.. this is the best way to reduce sway.. the closer to 15% the better... How tight do you have your equalizer bars? maybe tighten them up a few notches..
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Old 11-16-2014, 07:25 PM   #17
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Just going off the Timbren website, they help eliminate roll and sway and they do. We had a good 25+mph crosswind, I should have felt that in the truck, but didn't. They did reduce the sway, if it weren't for the bouncing these things would be great. Some sections of highway were fine, felt like we were on a sheet of glass, smooth as could be, then we hit what are actually newer sections and the bouncing started again. I've driven this road w/out the trailer and these places are bouncy no matter what, but with trailer it was magnified multiple times. I have also pulled this same trailer on this road w/out the Timbrens, rode fine.

The WDH was set up using a CAT scale, normally the TW sits around 700lbs, trailer weighs roughly 5100lbs loaded. The spring bars are set to return the correct amount to the front axle. Keep in mind, this is a 1/2 ton pickup, not exactly the stiffest suspension.

I really don't know what the TW was we took it to the dealer yesterday, but when we brought it home brand new, it was only 450lbs and sitting slightly nose high and it rode ok, not great, but nothing like it did yesterday. The Timbrens changed something dramatically for this to happen.
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Old 11-16-2014, 10:35 PM   #18
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When I installed my Roadmaster Active Suspension last year (I was debating between this and the Timbrens) I emailed my hitch manufacturer and asked about it. They said that ANY suspension modification to the truck required a "from scratch" setup after the parts were installed on the truck. I installed the RAS and re configured my setup as it I were installing it the first time, and it worked well for me. If I were you, I would pretend like I was installing a brand new hitch, set it up from scratch according to the instructions.
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Old 11-17-2014, 08:05 AM   #19
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Quote:
Originally Posted by Camper_bob View Post
If I were you, I would pretend like I was installing a brand new hitch, set it up from scratch according to the instructions.
That's exactly what I did. The Timbrens do help with sway because it ties the rearend together by putting pressure on the bumpstops [axle] to alleviate side to side motion. Wait and see what the Timbren people say as they are very helpful. You may be onto to something with regards to the reduction of tongue weight. Make sure when you readjust your hitch, you're fully loaded. If you can't get them to work, hopefully you can return them. In that case, you might consider the RAS system, heard great things about it.
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Old 11-17-2014, 04:43 PM   #20
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First, thanks to everyone who has replied, I really appreciate it.

The bummer is that right now our camper is at the dealer so I really can't play around and try to figure this out. I do know when I go pick it up, I will have all the tools needed to adjust the hitch and/or remove the Timbrens and put the old bumpstops back in if need be. I won't make another 180mile trip like we had Sat. It may take awhile for me to get good communication with Timbren, I'm hard to reach during the day, so it will probably be one email a day, but hey its cold and I have plenty of time.

While I do wonder about the height of the hitch ball, its still hard to believe an inch or so could make this much difference, but I guess it could be just enough to cause the Timbrens to bounce off the axle.
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