| [GMCnet] Re: steering [message #367483 is a reply to message #367480] |
Thu, 04 November 2021 10:08   |
James Hupy
Messages: 6806
Registered: May 2010
Karma:
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Senior Member |
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After all is said and done, you have to consider that you are dealing with
a "system" here. It starts with your hands' or perhaps a bit further away
from your hands, like the seat of your pants.
And it continues until it gets to the tire contact patch with whatever
kind of pavement that you happen to be traveling on at the moment.
If there are ANY PROBLEMS with any component in that "System", then
the ultimate result will be as you describe it. Steering wander or
inaccuracy.
Even tiny ones magnify into big ones when traveling through the system.
I could elaborate, but space is limited. And already well covered. Go back
and check everything. Every component in the system. Bushings, ball joints,
cracked or bent frame, idler arm, steering shaft and box. EVERYTHING! Your
problem is in there somewhere, maybe more than one.
Jim Hupy
Salem, Oregon
On Thu, Nov 4, 2021, 7:25 AM Richard wrote:
> Brian,
>
> The number of turns is just a measure of the steering box gear ratio. It
> does not affect handling other than how much you have to turn the steering
> wheel to turn the tires a certain angle. The wrong steering box might be
> an issue, possibly even damaged the lower control arms if it doesn't have
> the turn stops clocked the same as Billy mentioned, but your steering
> problem lies elsewhere.
>
> I am also solidly in the truck-alignment-shops-don't-understand-our-GMCs.
> I did a "get it drivable" alignment after I put on the one ton front end,
> got it close but not right, and brought it on recommendation to a truck
> service shop that had just had a new Snap-On alignment station installed to
> the tune of $150K. I was the first vehicle brought in and the Snap-On rep
> with his assistant was training the 3 shop mechanic on how to use the
> setup. Long story short, their alignment was better than my initial, but
> still not quite right. I ended up doing the final alignment myself and the
> coach goes straight down a straight road for hundreds of yards without my
> hands on the wheel.
>
> I'm not saying that your alignment is wrong, just that truck shops deal
> with trucks and GMCs are not that.
>
> I admire your tenacity in sticking with the coach and trying to get it
> right. Did you know that Alex Ferrara, who was a helluva smart guy and good
> mechanic, was going to sell his coach because of handling issues? Then he
> went to a GMCMI convention and Dave Lenzi identified his problem with
> literally a glance. I don't know if someone already posted a link to Rob
> Mueller's write up on how to check all of the steering and suspension
> components that could affect steering. It takes two people to perform and
> a good bit of time, but if you haven't gone through Rob's process you
> should.
>
> Keep with it, Brian! We're all rooting for you.
>
> Richard
> --
> '77 Birchaven TZE...777;
> '76 Palm Beach under construction;
> ‘76 Edgemonte waiting its turn
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