GMCforum
For enthusiast of the Classic GMC Motorhome built from 1973 to 1978. A web-based mirror of the GMCnet mailing list.

Home » Public Forums » GMCnet » Road Wonder
Re: [GMCnet] Road Wonder [message #109830 is a reply to message #109825] Sun, 26 December 2010 19:39 Go to previous messageGo to previous message
James Hupy is currently offline  James Hupy   United States
Messages: 6806
Registered: May 2010
Karma:
Senior Member
Michael, be sure to adjust your tire pressures for the load that you are
carrying. Particularly the rear tires. The back end of the coach can and
does steer the front end. When this happens, a driver has a tendency to
correct with the steering wheel. This results in the old Hula Hula
oscillations. Old Navy guys call it the Wig-Wag after the signaling paddles
used between ships. If your tires are all steel belted and load range E,
70#, sounds like too much air pressure. Go to a scale where you can weigh
first the front axle, then the front and 2nd axle, and finally the whole
coach. This will tell you enough about your loaded coach so that you can
apply the weights to the tire inflation charts supplied by the tire
manufacturer, If you have steel belts under the tread with synthetic cords
in the sidewalls, they are not quite as sensitive to inflation pressures as
full steel tires are, but unless you are really heavy, I would think around
55-60# would be closer to what most coaches use. If all this fails to
correct the problem, go back to your alignment guys and have them re check
their work. Steve Ferguson is a knowledge storehouse on GMC suspensions and
he lives in your area. Try to contact him off net & see what he thinks. I
hope this helps you. These coaches, when they are right, are a pleasure to
drive. Hang in there.
Jim Hupy
Salem, Or
78 GMC Royale 403

On Sun, Dec 26, 2010 at 5:08 PM, Richard MacDonald <rm1936@gmail.com> wrote:

>
>
> I had similar steering challenges when I first bought my Edgemonte. I did
> not have loose or play in my Steering box and all of my front end pieces
> were relatively tight and still the Coach was all over the road.
> After having a 6 wheel alignment and weight balanced o all six wheels by
> Jeff Sirum, all of my steering problems, most of what you described went
> away.
> Those with knowledge of our Coaches will probably have much better ideas
> which will hopefully help you.
> For sure, when you do get it corrected it will be a joy to drive.
>
>
> --
> Richard MacDonald
> Punta Gorda, Florida
> 76 Edgemonte TZE 266V102313
> Celebrating 50 years with my Wife and best friend Nancy
>
>
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist

 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: Tire age
Next Topic: [GMCnet] GMC Parts For Sale
Goto Forum:
  


Current Time: Wed Jun 26 02:50:41 CDT 2024

Total time taken to generate the page: 0.06318 seconds