Hello all. I'm pretty new to towing a fifth wheel. I have a 2008 f350 drw 6.8 and I'm towing a 32bl crossroads cruiser. I've posted before that I thought the ride was horrible hitting bumps and someone suggested I drop the tire pressure a little and it worked. Took the sharpness out of it. Well yesterday on us 23 in Michigan we experienced something new. A kind of bucking on the concrete highway that wanted to launch our drinks out of cup holders. What was that and how do I cure it.

I've dealt with that on a roadway just south of Houston. I believe most of this road was elevated and I'm thinking the sections just did not line up level. Was annoying and felt like I was riding a horse for a few miles. This was with a bumper pull. Haven't been through with the fifth wheel yet. So my guess is unlevel road sections. And yes, this was on concrete as well.My cure was to slow down. Still did the bucking, just not as pronounced.

dwayneb236 wrote:My cure was to slow down. Still did the bucking, just not as pronounced.X2

It sounds like the expansion strips were spaced just so that combined with your speed created some porpoising like what would happen with a Jet Ski. Speeding up or slowing down might help but without an air hitch with shocks the bouncing of your trailer will be transmitted directly to your cab. There is a similar scenario on I5 south of Seattle and I just deal with until I get on better road.

Did you ever put shocks on the 5er, and did you put Bil's on the TV??

If you have a light hitch load on the truck, you may be bouncing on and off the truck's rear axle overload springs. Lots of folks use overload spring bump stop extensions to get the overloads to contact sooner and stay contacting anytime the truck is loaded. This stops the on again, off again of the overload springs and reduces some of the bouncing of the truck's rear axle.

Rough ride | Good Sam Community

13 Replies

Durb
Explorer
Jul 29, 2016
It sounds like the expansion strips were spaced just so that combined with your speed created some porpoising like what would happen with a Jet Ski. Speeding up or slowing down might help but without an air hitch with shocks the bouncing of your trailer will be transmitted directly to your cab. There is a similar scenario on I5 south of Seattle and I just deal with until I get on better road.
Hondavalk
Explorer II
Jul 29, 2016
dwayneb236 wrote:

My cure was to slow down. Still did the bucking, just not as pronounced.

X2
dwayneb236
Explorer
Jul 29, 2016
I've dealt with that on a roadway just south of Houston. I believe most of this road was elevated and I'm thinking the sections just did not line up level. Was annoying and felt like I was riding a horse for a few miles. This was with a bumper pull. Haven't been through with the fifth wheel yet.

So my guess is unlevel road sections. And yes, this was on concrete as well.

My cure was to slow down. Still did the bucking, just not as pronounced.

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Rough ride

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