PROBLEM: Tire Lean on my D60 Kingpin front WHY? How to correct this? - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 02-14-2019, 01:18 PM   #1 (permalink)
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PROBLEM: Tire Lean on my D60 Kingpin front WHY? How to correct this?

This question if for all the Dana 60 gurus but I think I'm not the only one with this problem.

Both sides but it's more noticeable on the Drivers side front tire on my Ford Kingpin Dana 60 axle leans at the top. Why is this and how to correct this??

Axle is full width, OEM kingpins and those are 40x17 MTR Radial tires

I've read conflictive answers on the web... I'm sure many of you "have been there" with this problem and I'd like to pick your brain.

Here a coiple of pix...
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Last edited by Jorge Meza; 02-14-2019 at 01:26 PM.
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Old 02-14-2019, 06:44 PM   #2 (permalink)
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1. Bent housing
2. Too much caster and toe'd out
3. The rare, but still around, camber plate that bolts in behind the spindle between that and the knuckle. If you didn't know what you were looking at, it'd look just like a 1/8 to 1/4 inch washer/spacer

I assume you checked the kingpins. If not, start there.
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Old 02-15-2019, 10:23 AM   #3 (permalink)
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I don't know your setup, but the very first thing I'd check is the kingpin bushing.

If its a delrun one and you're running a spring, the bushing is likely shot.

If you're running a spring eliminator and bronze bushings, either the bushing is shot or you need to adjust the pre-load of the spring eliminator.

If all the above is wrong, then the above post is the next set of things I'd look for.

Its also possible you have a bad bearing in your hub, as that would also cause the issue.
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Old 02-15-2019, 10:44 AM   #4 (permalink)
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It does,t lean "at the top", it leans.

Is it in or out at the top?

Hows the toe?
Bent axle
Bad wheel bearings
Bad kp bushing
Bad lower trunion brg.

Did you ever tear the axle 100% down?

Ford knuckles are known problems and maybe broken and ready to die.
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Old 02-15-2019, 11:53 AM   #5 (permalink)
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Got it guys thanks. I'll start by the kingpins. Already oredered bronze bushings. I'll let ya know... as far as bearings they are good I know since i had to disassemble and reassemble both hubs to replace oil seals and bearings were replaced. If problem is not solved with bronze bushings then I'll go to the hubs. Tnk again.
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4 Sale:
* 79 Ford Dana 60 Front Axle
* AX-15 REBUILT

WTB:
* LSX/6L80 complete takeout
* Complete DE Hydro steering system
* Millermatic Multiprocess or 255 MIG
* Tuffy Overhead Console
* Bump Stops
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Old 02-15-2019, 01:15 PM   #6 (permalink)
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Got it guys thanks. I'll start by the kingpins. Already oredered bronze bushings. I'll let ya know... as far as bearings they are good I know since i had to disassemble and reassemble both hubs to replace oil seals and bearings were replaced. If problem is not solved with bronze bushings then I'll go to the hubs. Tnk again.
My axle is the same way with all new parts and my housing is not bent. I have read a couple thread where people try to "fix" the lean and end up with death wobble. My jeep rides and tracks great I'm not changing it.
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Old 02-15-2019, 03:16 PM   #7 (permalink)
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https://www.stempf.com/wheel-alignment-product-search/
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Old 02-15-2019, 03:17 PM   #8 (permalink)
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https://northstarmfg.com/stempf-ifra...910(17171).jpg
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Old 02-15-2019, 03:35 PM   #9 (permalink)
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Imo looks like the tops of the tire are leaning out. Thatís what they are supposed to do.
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Old 02-15-2019, 06:01 PM   #10 (permalink)
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Imo looks like the tops of the tire are leaning out. Thatís what they are supposed to do.
I had that on the D44 I had in the front of my 1986 CJ7. The Jeep tracked straight and the tires wore even. Never caused a problem, so I left it.
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Old 02-15-2019, 07:50 PM   #11 (permalink)
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Most of these vehicles the camber spec was a bit positive. Usually .25 or .5* +/- .5* so literally with everything tight up to 1* would be acceptable. Also things like a bit of toe in can cause the tire to load inward. If its equal amounts camber side to side and not over 1* I wouldn't even sweat it. Checking your toe isn't a bad idea though, positive toe can cause it to look like you have a bit positive camber by scrubbing the bottom of the tire inward some.
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