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Old 08-25-2015, 10:48 PM   #11
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Aware of what problem? Most of the Hellwig's were dealer or customer installed, they just started installing at the factory fairly recently. One post above says they have a factory installed bar and no issues. One below says cross threaded. The clunking seems to be a small percentage...certainly not the majority.
Yup, for sure, no clunks here - Customer installed.
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Old 08-25-2015, 10:50 PM   #12
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Ran into a similar clunking when I did the CHF on my 2015 Georgetown. Turns out that moving to the aft hole in the sway bar raises the front of the bar so high that it contacts the frame...most evident in turns. Big rig alignment shop said that mine was the third Georgetown CHF that he had to undo this year. Just yesterday, I took delivery of a new Roadmaster anti-sway bar (1139-140). It's really beafy compared to the Hellwig. It costs more, but it is heavier and comes with brackets and bushings significantly larger and stronger than the Hellwig. On the other hand, I hear reports that both are a big improvement over the OEM.
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Old 11-10-2016, 04:37 PM   #13
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Hellwig Sway Bar Clunk/Noise Problem Identified And Fixed FINALLY!

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Originally Posted by bclemens View Post
Aware of what problem? Most of the Hellwig's were dealer or customer installed, they just started installing at the factory fairly recently. One post above says they have a factory installed bar and no issues. One below says cross threaded. The clunking seems to be a small percentage...certainly not the majority.

bclemens - I don't think we have a Helwig, but the suspension clunks a lot during slow speed maneuvers. Took it to the MB dealer and they could not find anything wrong with the MB supplied equipment and also said they don't deal with issues caused by putting the heavy box onto the MB frame. The FR dealer doesn't deal with frame and suspension issues. So?


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Old 11-12-2016, 10:02 AM   #14
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Thought about one, then thought, what if MB steps in and says, we have spec'd the sway bar as our engineers designed for the 1 ton chassis. As we all know, putting the "box" on, pushes the chassis to near limits. Then I thought, during a sway, the bar torque absorbs some, and the axle gets the rest, at the point of connection. The issue I had is, does the axle specs allow for the forces applied. The clunks are feedback to the torque forces being applied. One will never know if the heavy duty sway bars are effecting design limits, unless reports surface of axle failure start to pop up. The general engineering concept is to design it for about three times the expected force apllied in these types of application. But, as one poster has said, the "not my problem" scenario has surfaced. I'm on the sideline on this one.
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Old 11-14-2016, 07:39 AM   #15
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Hey kickin'. That exactly what I've been noodling for that past year. I put the heavy duty sumo springs suspension parts on, which quelled the sway wonderfully, but tightened up the shock absorption considerably. Since then I've wondered about the load placed on the axle by the bump stop replacements and the structural issues of the rear of the motorhome itself with increased harshness of the ride. We've had no issues over the 45,000 km travelled since installation. But it's something I think about.
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Old 11-14-2016, 09:49 AM   #16
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Quote:
Originally Posted by MNtraveler View Post
bclemens - I don't think we have a Helwig, but the suspension clunks a lot during slow speed maneuvers.


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I haven't seen any "clunking" reports on anything that didn't have the sway bar. You say you "think", can you confirm? The Mercedes bar is black...If I'm not mistaken, the Helwig is dark gray with a textured finish on it.
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