king pin
I have never done the job myself. But here is a thread that could help you out.
https://www.ford-trucks.com/forums/1...made-easy.html
I would also suggest buying a 56 Shop Manual as eventually you will find yourself looking at it quite a bit. I bought the paperback book form but it is so worn out, torn up, and greasy finger prints all over it I am going to buy the sofware form next time as you could just print off the pages you will need.
Hope the link helps!
https://www.ford-trucks.com/forums/1...made-easy.html
I would also suggest buying a 56 Shop Manual as eventually you will find yourself looking at it quite a bit. I bought the paperback book form but it is so worn out, torn up, and greasy finger prints all over it I am going to buy the sofware form next time as you could just print off the pages you will need.
Hope the link helps!
You first need to remove hubs and drums, backing plates and steering arms. This is all pretty straight forward. There's a nut & pin about center of the axle boss where the king pin goes through that must be removed to get the king pin out. Remove the nut and drive the pin out from the nut side.
King Pin removal can be very easy or a nightmare. Frozen King Pins are very tough to remove and frequently require copious amounts of your favorite lubricant and even heat. An air impact can be your friend. you've gotta drive the king pin out from the bottom, if I recall correctly, due to the mushroom head on the top. If there's no mushroom head you can drive them out either way. https://m.midfifty.com/inst2/INST-2841-1.pdf
Just a FYI you'll need to take the spindles, new bushings and pins to a machine shop and have them machined. The machine shop Hines the new bushings, after they're installed in the spindles to a very tight tolerance on the king pins. An old timer told me once "if you carry your new king pins in your pockets and they won't fit the spindle bushings they are done right. They have picked up lint from your pockets. Clean em up and they'll fit like a glove."
Installation is reverse of disassembly but everything should go together without the use of a hammer.
Once everything is installed get the grease gun out and lube your kingpins until you see grease coming out. OBT These ole trucks were designed to be greases every 2-3,000 miles.
Don't forget new cotter keys for your castle nuts and since you're there new hub seals and repack your wheel bearings and lube the rest of your truck.
King Pin removal can be very easy or a nightmare. Frozen King Pins are very tough to remove and frequently require copious amounts of your favorite lubricant and even heat. An air impact can be your friend. you've gotta drive the king pin out from the bottom, if I recall correctly, due to the mushroom head on the top. If there's no mushroom head you can drive them out either way. https://m.midfifty.com/inst2/INST-2841-1.pdf
Just a FYI you'll need to take the spindles, new bushings and pins to a machine shop and have them machined. The machine shop Hines the new bushings, after they're installed in the spindles to a very tight tolerance on the king pins. An old timer told me once "if you carry your new king pins in your pockets and they won't fit the spindle bushings they are done right. They have picked up lint from your pockets. Clean em up and they'll fit like a glove."
Installation is reverse of disassembly but everything should go together without the use of a hammer.
Once everything is installed get the grease gun out and lube your kingpins until you see grease coming out. OBT These ole trucks were designed to be greases every 2-3,000 miles.Don't forget new cotter keys for your castle nuts and since you're there new hub seals and repack your wheel bearings and lube the rest of your truck.
Well I learn a lot just from reading,My bolt is not there on my king pin both sides. 1955 had to experiment with the size and ordered the complete bolt assembly. It went right in,I was afraid it had rotated the king pin you all saved my buttAJ.
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Roger w jr
1948 - 1956 F1, F100 & Larger F-Series Trucks
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Jun 4, 2022 11:10 AM











