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RE: Wheel Wobble TC - 19" wheels(a little long)

To: rwaters@intergate.bc.ca, mg-t@Autox.Team.Net
Subject: RE: Wheel Wobble TC - 19" wheels(a little long)
From: Lewis Palmer <lpalmer@vanstar.com>
Date: Tue, 25 Aug 1998 20:14:37 -0700
I won't say "It can't be.", but remember It was stated that the hub runs
true. This is not likely with a bend half-shaft or axle.

However, if the wheel is not square to the hub:

((>All I can detect is that the space between the brake drum
>and the outer edge of the inner wheel lacing flange could
>have as much as 1/32 - 1/16" variation from closest to
>furthest from the brake drum. ))

then the described wobble could occur. Yes, a small angular error at the
hub could, with the 19" diameter wheel, translate to a very significant
run out at the tire.

Regards,
Lew Palmer
-----Original Message-----
From: rwaters@intergate.bc.ca [mailto:rwaters@intergate.bc.ca]
Sent: Tuesday, August 25, 1998 8:38 PM
To: mg-t@Autox.Team.Net
Subject: Re: Wheel Wobble TC - 19" wheels(a little long)


Sure soiunds like a bent axle to me. It's super-easy to pull the shaft,
put
it on a flat surface, and roll it. Why not give it a try.

-Rick


>Calling all wheel/hub experts. Help desired with sorting out
>the source of a wheel wobble.
>
>I had the wheels trued a few weeks ago before the GOF West.
>Had new Firestones put on and off we went.  At each stop one
>of the other drivers in our caravan would sidle up to me and
>say, "I' thjought you'd like to knowyou have a wobble a
>wobble in your right rear wheel."  After about 5 or 6 such
>comments, I was prepared with the old "Yeah, I know, I'll
>have to have to getbthat checked out when I get home."  So,
>I went home and checked things out..wheel is pretty true
>when off the car.  Put back on tightened down a little more
>and forgot about it until this past weekend run to Bolinas,
>CA (Beeeutiful Day, Great roads, Fabulous scenery!)  So I
>get there and the nice fellow who was behind me in the TC
>caravan on those great twisting coastal roads sidles up to
>me and says, "I thought you'd like to know that I noticed a
>wobble in your right rear wheel."  Yeah, " I said shrugging
>it off outwardly while my heart sank anew, "I'll have to get
>it checked out when I get home." Ugh!
>
>While on the way home no less than 4 drivers of Ford
>Explorers, Chevy Cavaliers, and a '53 stakeside flatbed with
>furniture and two mattresses I would not sleep on, tooted at
>me and then leaned out to shout.."Hey, buddy, I thought youd
>like to know your right rear wheel has a wobble in it!" Is
>there no place I can hide?! By the last greeting, I was able
>to lip-synch their words right along with them. Which, I am
>sure they thought was a very ungrateful and irreverant
>response on my part.
>
>So I get home and take the offending wheel off and up to the
>wire wheel guy.  I watch as he puts it on his machine and
>gives it a spin.  It has a little run-out..maybe 1/16".  Not
>bad.  He says leave it and he'll remove as much of that as
>he can.   I do, he does, and I pick it up on the way home
>from work.
>
>Tonight I put it on and give it a spin...The wobble is still
>there...maybe 3/8 - 1/2" runout.!
>The hub turns true.  The wheel turns true on the shop
>machine, but when put on the car, the wobble is still there.
>All I can detect is that the space between the brake drum
>and the outer edge of the inner wheel lacing flange could
>have as much as 1/32 - 1/16" variation from closest to
>furthest from the brake drum.  Could that translate to 3/8
>to 1/2" at the wheel rim or tire?  Why would that nor show
>up at his shop?  Is there something wrong with the bevel on
>my hub?  Is the wheel bumping up against the studs that hold
>the brake drum? Doesn't look that way. All suggestions
>gratefully accepted.
>
>TTFN
>TCSYD


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