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Old 10-02-2012, 05:14 PM   #1
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Front wheel alignment

I noticed significant tire wear on copilot front tire on our 03 Dolphin LX (W22}during our last outing. Wear was basically confined to the outside tread and when I took it in for an alignment check the shop said there was no more adjustment for that type of wear. He said the only option was to bend the axle to make the correction. Knowing that I have not hit anything and not being familiar with bending an axle to correct tire wear, I would like to know if anyone else has had a similar problem before I take his advise.

Any comments appreciated.
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Old 10-02-2012, 05:52 PM   #2
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After installing 6 new tires on the 05 Dolphin, I took it to an alignment shop. The old guy (owner) said he couldn't align it completely because the kingpins were worn and had too much play. So now I'm hunting for replacement king pins.

JJ
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Old 10-02-2012, 07:58 PM   #3
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Hello All, I had the same type wear on my passenger front . Went to a truck garage and they did in fact bent the front axle to take some of the camber out of that side. Without rotating the tires it be might some time to see if the wear gets any worse.
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Old 10-03-2012, 10:28 PM   #4
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All the posts are correct. You cannot adjust caster or camber on a king pin type of suspension. At least not without actually bending something. Only toe can be adjusted. Toe in can cause outside wear on tires. Worn king pins can be repaired, but it's not cheap at all. It's a pretty major undertaking.
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Old 10-04-2012, 06:16 AM   #5
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All the posts are correct. You cannot adjust caster or camber on a king pin type of suspension. At least not without actually bending something. Only toe can be adjusted. Toe in can cause outside wear on tires. Worn king pins can be repaired, but it's not cheap at all. It's a pretty major undertaking.
Caster can be changed by changing the shims between the spring and the axle. They make differant angled wedge type shims to adjust caster angle.
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Old 10-04-2012, 08:07 AM   #6
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Caster can be changed by changing the shims between the spring and the axle. They make differant angled wedge type shims to adjust caster angle.
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Had it done
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Old 10-04-2012, 06:23 PM   #7
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Caster can be changed by changing the shims between the spring and the axle. They make differant angled wedge type shims to adjust caster angle.
Good to know. I didn't realize that. Thanks for the knowledge!
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Old 10-07-2012, 01:09 PM   #8
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Caster can be changed by changing the shims between the spring and the axle. They make differant angled wedge type shims to adjust caster angle.

I just found a workhorse.com site on which Workhorse says camber/castor are not adjustable. Then by footnote they say they do not recommend bending the axle. The footnote further states if correction is necessary you are to contact them for the correct procedure. I don't understand if it is not adjustable how there can be a correct procedure to make the adjustment.

Just totally confused.
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Old 10-07-2012, 08:09 PM   #9
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I just found a workhorse.com site on which Workhorse says camber/castor are not adjustable. Then by footnote they say they do not recommend bending the axle. The footnote further states if correction is necessary you are to contact them for the correct procedure. I don't understand if it is not adjustable how there can be a correct procedure to make the adjustment.

Just totally confused.
Duane
I don't know why thy say this other than they want the work. I bought my 05 Dolphin in Jan. of 07 and had the pleasure of meeting the former owner. One of the thing he told me was they added 2 degrees of caster to the front end to help the wandering on the highway. I have been an auto/truck mechanic most of my life and I know this can be done.
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Old 10-21-2012, 04:29 PM   #10
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I don't know why thy say this other than they want the work. I bought my 05 Dolphin in Jan. of 07 and had the pleasure of meeting the former owner. One of the thing he told me was they added 2 degrees of caster to the front end to help the wandering on the highway. I have been an auto/truck mechanic most of my life and I know this can be done.
Thanks to all for comments. Just found a "True Track Alignment" shop for trucks and Rv's and they indicated they would never bend and axle on a workhorse chassis. After a thorough check they found the right front tire was not true, had a slight wobble, but the wheel was not damaged. After checking wear on all tires and determining them basically equal in wear, they recommended the front be rotated to rear and 2 rear tires balanced and moved to front. They also found the toe to be out and they made necessary corrections. Did not notice any pull or drift on the 25+ mile hwy and frwy drive home. Will be taking a longer trip in a few days and hopefully all will work well.

Again thanks to all for your comments

duane
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Old 12-31-2019, 08:39 PM   #11
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Does anyone have any information on where to find the correct Kingpins. I have this issue on my 2006 Dolphin LX and need to replace the Kingpins. The wear is very noticeable. When you jack up the coach and put a bar under the wheel, you can move the wheel almost a quarter of an inch. This is visible when you shine a light onto and observe the kingpin.
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