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Old 01-10-2021, 06:11 PM   #1
30blindback
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Default Replacing king pins

Need advice on replacing the kingpins. Take the axle off or leave it on the car. The brakes are currently off so I think the axle should come down without much more work. Any pitfalls to avoid and advice on the proper techniques needed.
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Old 01-10-2021, 06:16 PM   #2
J Franklin
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Default Re: Replacing king pins

Most often all that needs to be removed is the pin lock, pins, and the spindles.
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Old 01-10-2021, 06:34 PM   #3
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Default Re: Replacing king pins

No need to remove the axle!!!
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Old 01-10-2021, 06:50 PM   #4
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Default Re: Replacing king pins

https://www.youtube.com/watch?v=tKj5...JPvFda&index=1
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Old 01-10-2021, 07:10 PM   #5
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Default Re: Replacing king pins

UNLESS it is like mine with axle King Pin holes elongated or egg shaped then the axle will need repair. Does your user name indicate type of Model A you possess?
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Old 01-11-2021, 09:22 AM   #6
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Default Re: Replacing king pins

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Leave the front axle on the car. Take the spindles off so you can replace and ream the bushings on a work bench. Be sure to chock the wheels and support the car with stands.
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Old 01-11-2021, 01:53 PM   #7
30blindback
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Default Re: Replacing king pins

Thanks for the advice. Axle will stay on the car.
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Old 01-11-2021, 11:41 PM   #8
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Default Re: Replacing king pins

Without side tracking the thread , too much... what is the diameter of a Model A king pin? I ask because I have what appears to be a piloted reamer that would be used for such as a king pin bushing.

Thanks,

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Old 01-12-2021, 02:09 AM   #9
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Default Re: Replacing king pins

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Originally Posted by JoeCB View Post
Without side tracking the thread , too much... what is the diameter of a Model A king pin? I ask because I have what appears to be a piloted reamer that would be used for such as a king pin bushing.

Thanks,

Joe B
It might be best to measure the pins you intend to install.
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Old 01-12-2021, 02:13 AM   #10
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Default Re: Replacing king pins

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Originally Posted by JoeCB View Post
Without side tracking the thread , too much... what is the diameter of a Model A king pin? I ask because I have what appears to be a piloted reamer that would be used for such as a king pin bushing.

Thanks,

Joe B
.8125 or 13/16"
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Old 01-12-2021, 10:28 PM   #11
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Default Re: Replacing king pins

Thanks "bb" for the info. The pilot reamer that I have must be for some other application, found it along with a bunch of other tools.

Joe B
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Old 01-12-2021, 11:11 PM   #12
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Default Re: Replacing king pins

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Originally Posted by 30blindback View Post
Need advice on replacing the kingpins. Take the axle off or leave it on the car. The brakes are currently off so I think the axle should come down without much more work. Any pitfalls to avoid and advice on the proper techniques needed.
Do you belong to a local Model A club? You'll find a world of hands-on help there. When I did mine I took the spindles, new bushings, and new king pins to an old time machine shop. He pressed in the new bushings and honed them to perfect fit. If you go that route, check with others in the club to get a recommendation for a machine shop that knows what they're doing.
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Old 01-12-2021, 11:53 PM   #13
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Default Re: Replacing king pins

Here is info on a Club in the Portland area, I think that's about 30 miles or so from you.
You might consider giving them a call. Unbelieveable knowledge, lots of cars, tools, tours and best of all great friends

https://www.mainemodelafordclub.com/
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Old 01-13-2021, 12:21 AM   #14
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Default Re: Replacing king pins

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Thanks "bb" for the info. The pilot reamer that I have must be for some other application, found it along with a bunch of other tools.

Joe B
What size is your reamer? The early Lincolns used a 15/16", or 0.937 dia. kingpin. DD
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