Severe Sway towing a vehicle

[Ctiger8]

Recently we bought our first class A motorhome. When towing our Town & Country on a dolly our RV was swaying so much I was really frightened. It’s a 2015 Georgetown 34.4 feet with 3 slides. The Unit only has about 9,000 miles. We replaced all 6 tires (none were balanced) just installed. We also put new tires on the dolly.
Our RV is swaying without pulling a vehicle but not as much as towing.
Any suggestions or possible solutions would be greatly appreciated.
Thanks.

 

[Joe Hogan]

Sway as in tracking down road or body roll left right?

 

[Kevin D Pem]

2015' 9000 DP/GASSER? Weight scale?(Weight distribution).

Keep off the hyway till you know what is happening!!! Don't tow anything till you know what is happening!!!

My guess is to much Weight to far back, but that is only a guess.

 

[Kevin D Pem]

Sway as in tracking down road or body roll left right?

Joe that would be hard to answer!

 

[Joe Hogan]

Joe that would be hard to answer!

After rereading question I think he means tracking as the dolly will not have body roll. Almost sounds like either suspension problem or alignment

 

[Kevin D Pem]

After rereading question I think he means tracking as the dolly will not have body roll. Almost sounds like either suspension problem or alignment

Hopefully we will find out if he has sway without dolly!
Cheap dollies are notorious for not tracking well.

 

[Kevin D Pem]

Answer for a bad tracking dolly is checking the geometry, hitch to spindle alignment.

 

[Joe Hogan]

Not sure what brand of dolly but here is an interesting case of sway with a Master Dolly

 

[Rich W.]

I’m guessing too much weight too far back also but without more info its just guess.

 

[Ctiger8]

Sway as in tracking down road or body roll left right?

Sways both ways. Dolly is Karr Kaddy Demco. It was used but in excellent condition, only needing new tires which we added.

 

[Joe Hogan]

We had a Demco, when loaded with our FWD VW Passat, it was rock steady. Sounds like the Coach is the issue.

 

[John&Andrea]

I think the dolly has a max weight of 4800lbs. The Town & Country 4652 T&C weight is ballpark, not knowing your exact model. This is where I would look. You can up grade the sway bar on the coach that may help.

We used a dolly the first three years and had some sway but not bad. We hauled a Ford Escape 3500 lbs, it did take some getting use to but towed fine.

The T&C is a bit longer and heavier than most towed vehicles for what I see. I have seen several on tow dolly's over the years. I think you just need to get things set just right.

One more thing. What type breaks are on the dolly? Electric or surge break. If it is pushing you the breaks may need to be checked.

 

[Joe Hogan]

It is always tough to provide meaningful information when looking at very limited info. However, is the Dolly when hooked to RV level? Or is there a significant angle to the dolly. It is important that the dolly tows flat, no significant angle. Otherwise I believe the dolly will not track straight easily. 18” to top of ball

 

[Joe Hogan]

Thinking about our dolly, I'd go through the dolly to verify;

1. all fasteners are tight, nothing is bent,
2. if it has passive steer, ie SS model, verify end links are lubed, no excess movement, king pins are lubed, no excess play, wheel bears are serviceable, no play, steer dampener is serviceable
3. brake disks are not warped, brake pads are serviceable,
4. flush brake fluid, bleed brakes, insure brake surge feature operates as designed,
5. wheels are properly aligned per assembly manual.
6. Top of tow ball is at 18"

With all that verified, you can be assured it is not the dolly per se.

When loaded you might verify pin weight to insure load is properly balanced. Easy enough at a CAT scale.