| Wandering steering/response/fishtailing [message #351159] |
Thu, 02 January 2020 09:29  |
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74_Coach
Messages: 71
Registered: July 2019
Location: Arroyo Grande, CA
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Hi Everyone:
I just finished a complete front suspension rebuild including a steering box replacement but steering is still wonky wandering left, right, left, right. I provided the GMC maintenance manuals for an explanation of the ride height adjustment and I know they got the height adjustment correct as they wrote down all of the settings including front camber. But I am not sure the shop adjusted rear wheel camber - at all. I read this thread http://gmc.mybirdfeeder.net/GMCforum/index.php?t=msg&goto=349032&rid=0&srch=Steering%20problems&SQ=7cb20fdc537ec765b800e80d2b03796b& that a maladjusted camber on the tandem wheels can cause wandering. I have a tru-track that needs installed but not sure it will solve steering wander. And, where would I find alignment shims for the rear if the camber was out of adjustment? I recall seeing an image in the GMC Service supplement that showed shims for the rear alignment.
I posted this question on another unrelated thread and member Larry from WI responded with this valuable information:
Quote:Here is a post copy/pasted to this that I posted a while back. HTH
Most of the time when someone complains of this kind of steering issue, the steering gear is no longer on "high point'. I'm guessing that at some time in the past, someone took your steering shaft apart and did not put it back together right. There is a very specific procedure that needs to be followed to get it back where it belongs. Alex Ferrara has mastered the art of putting it on high point and cured something over 100 GMC's with handling manners. So, driving your coach to Florida to have Alex F. do the adjustment on your steering box is not practical. So check out this set of instructions posted on the GMCphoto site of how to do high point.
http://www.gmcmhphotos.com/photos/steering-gear-box/p52883-set-steering-box-highpoint.html
Let us know how things turn out.
I am definitely heading back to the shop to see if they can check the steering box for correct center alignment. This shop has been in business for over 45 years and my GMC is not the first one in their shop but probably not with my steering problems. Any suggestions would be appreciated.
Ed
Ed Clerkin | 1974 GMC Canyon Lands 26’
Central Coast CA
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