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| [GMCnet] Re: sreering [message #367457 is a reply to message #367437] |
Mon, 01 November 2021 23:26   |
Brian Waddell
Messages: 409
Registered: March 2010
Karma:
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Senior Member |
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Yes that is why I am told to come back the next day after 50 miles, and recheck it...that is what this shop tells the semi-tractor owners on air bags in the rear with levelling valves exactly like ours and have a recommended ride height to maintain , as the ride height affects steering geometry as you well know
Brian 77 ele 455
sper,ing mb canada
________________________________
From: Jon Roche
Sent: November 1, 2021 2:46 PM
To: gmclist@list.gmcnet.org
Subject: [GMCnet] Re: sreering
I disagree with your statement "the gmc front end is nothing new to reputable wheel alignment places that do heavier vehicles like ours and trucks."
they do not always understand that when they jack up the coach front end, and set it back down, it needs to be driven, bounced, ect and re-checked
because the suspension needs to "settle in". when you set the weight down on a coach, and check alinement. Then pull it off the lift, and back
on, the specs are different before and after you lift up the weight.
have seen 6+ coaches that were aligned at those shops, that were never right.
also fwiw, our local Dodge Dealer can't align a dodge caravan correctly either. So the number of skilled shops/mechanics out there are getting
less and less.
Brian Waddell wrote on Sun, 31 October 2021 11:59
> Most shops that do wheel alignments do not pay attention to the wheel wheels,,,they do not put the rear wheels on turntables to determine if the
> the rear has play causing caster camber or toe...an example would be a bent frame.
> However, the gmc front end is nothing new to reputable wheel alignment places that do heavier vehicles like ours and trucks.
> One more however..I have attempted to check wheel alignment myself using Work's methods and henderson's methods and would say that the shoips (x2
> )of what they said it was.....was supported by my measurements of caster 3.5 +...camber 0 and toe pretty much 0...go0d enough... and those on here
> who tell of determining if the rear is out of whack or bent ..or play in stub axles....Thanks
> Brian
> 77 ele 455
> sperling mb canada
> ________________________________
> From: John R.Lebetski
> Sent: October 31, 2021 7:32 AM
> To: gmclist@list.gmcnet.org
> Subject: [GMCnet] Re: sreering
>
> Semi shops work on trucks with solid front axles and leaf springs. 99% of the time all they adjust is the toe. You need someone who understands
> GM A
> arm front ends and how caster and camber are adjusted and how the adjustments interact. I bought the Jerry Work home alignment kit and did mine
> myself.
> --
> John Lebetski
> Woodstock, IL
> 77 Eleganza II
> _______________________________________________
> GMCnet mailing list
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--
Jon Roche
75 palm beach
EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
St. Cloud, MN
http://lqqkatjon.blogspot.com/
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