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King pin removal

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Old Jul 28, 2013 | 09:02 PM
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6.9 diesel nut's Avatar
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King pin removal

My truck flunked an inspection due to "Worn Ball Joints" Don't think he knew too much about my truck, or anything for that matter as my truck uses kingpins. anyway, I need to change these kingpins. I got the new kingpins so I just need to figure out the best way to put em in. I know I need to get the hub and spindle off, but the rest after I'm stumped on. Any write ups on this. I've done some research, but not much came up for the 1 ton twin I beam setup.
 
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Old Jul 28, 2013 | 10:19 PM
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No help here, but i'm gonna add a question to the thread.

Can a worn Kingpin with play in it, break like a ball joint?


Had an alignment done on the motorhome before my trip, and my drivers side Kingpin has quite abit of play in it, passenger side is just starting as well.
 
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Old Jul 28, 2013 | 11:28 PM
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It is the bushings that wear the late models used plastic bushings they can't break but they can get sloppy making steering very interesting. I haven't replaced any in a long time. You have to remove the cross bolt then drive or push out the pin. And that can be an issue they seem to seize up in the axle. We used to heat the axle up red hot then quench and drive out with big hammer and punch. Don't know if that is how it is done now.
 
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Old Jul 29, 2013 | 10:47 AM
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Have you tried greasing them at all? If the king pins are dry they will have play. Once greased up the play usually goes away. Also wtroger is correct, king pins don't usually wear out, its the bushings.
 
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Old Jul 29, 2013 | 03:03 PM
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Mine surely aren't short on grease. I grease everything that's greasable on all my vehicles every single oil change witch is around 3-4k miles.


I have heard that the "proper" way of greasing King Pins is lifting the weight off the wheel, and then greasing them.
 
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Old Jul 29, 2013 | 03:39 PM
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Originally Posted by IDIDieselJohn
I have heard that the "proper" way of greasing King Pins is lifting the weight off the wheel, and then greasing them.
I don't know if thats true or not but that is how I was taught. I also do mine that way but I am lucky enough to have access to a lift
 
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Old Jul 29, 2013 | 03:54 PM
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I just jack up the I beam with my floor jack.

Sometimes I wish I had a shop and a hoist!
 
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Old Jul 29, 2013 | 05:08 PM
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Lift the front wheels off the ground and go to shaking like you where checking a wheel bearing have some watch to see if and where the slack is at. Like I said I haven't put any in a long time they don't seem to wear as bad as they used to. You also have to set them up with shims between the axle and the thrust bearings to get that clearance right.
 
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Old Jul 29, 2013 | 05:57 PM
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So John, where is the picture of the vacation?
 
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Old Jul 29, 2013 | 07:25 PM
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i was looking online it appears that the replacement kits include metal bushings this requires a reamer or a machine shop to fit the bushings to the pins
 
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Old Jul 29, 2013 | 09:27 PM
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All I know is It flunked and there was some play with the wheels. I'll try greasing them. Probably never had fresh grease put in.
 
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Old Jul 29, 2013 | 10:15 PM
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Originally Posted by Bonanza35
So John, where is the picture of the vacation?
They'll be along this week, I'll put a new thread for 'em.
 
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