replacing king pins/ how to?
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New User
Joined: Feb 2003
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replacing king pins/ how to?
hi, this is my first post. my fellow worker has 70 and a 71 f100 2wd trucks. they need king pins badly. i have a pretty well equipped shop but have never tackled king pins before. can someone here give me the correct method and tools needed to do this job properly. i see that the "slot bolt" would need to be removed and the fittings unscrews, but how does the pin come out?,etc.. thanks in advance. my last ford truck was a 74 f100, 3904bbl, 4 spd, 4wd, 3.50 posi, it was a brute!
Senior User
Joined: Feb 2003
Posts: 313
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From: florida
replacing king pins/ how to?
the tools for this project are very exspensive and unless you own a press just take the i beams off and take them to a machine shop i did it the hard way and all it does is cause a big head ace and 3 hours of beating the thing with a bfh
good luck
good luck
Lead Driver
Joined: Jan 2003
Posts: 9,893
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From: Ohio
replacing king pins/ how to?
Well, if you have torches and a hammer(air hammer is good too) it can be done. Remove center bolt, unscrew caps and heat. Push/hammer pin out. Take the spindles to machine shop to have bronze bushings installed and honed to fit the new pins. Re-install pins/center bolt and rest of pieces. Viola'
If you dont have torches, you will be working quite a while..
So, as mentioned, remove beams and have machine shop do all the work for you. This is a good time to also replace bushings on radius arms
. Cheap and will no doubt need them too. Check bushings in beams also. Not too common to replace, but check to be sure. No sense fixing pins and have beams wander around because bushings are worn
.
Good Luck
Larry
If you dont have torches, you will be working quite a while..
So, as mentioned, remove beams and have machine shop do all the work for you. This is a good time to also replace bushings on radius arms
. Cheap and will no doubt need them too. Check bushings in beams also. Not too common to replace, but check to be sure. No sense fixing pins and have beams wander around because bushings are worn .Good Luck
Larry
Post Fiend
Joined: Jun 2002
Posts: 13,873
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From: Atlanta GA
replacing king pins/ how to?
I have one of those $99 2" pipe benders from Northern Tools. What I did to push my axle bearings on the 9" axles, is remove the bottle jack, put my floor jack in it instead, put the axle on the floor jack, and run a couple of pieces of 3"x1/8 were a pipe would go, and pushed the bearing on. If you can visualize that.
Might try something like that for kingpins.
I know impact sockets make great bushing/ball joint pushers when using ball joint tools on the BII.
Just something to think about if you ahve a fairly well equipped garage, but, no press.
Might try something like that for kingpins.
I know impact sockets make great bushing/ball joint pushers when using ball joint tools on the BII.
Just something to think about if you ahve a fairly well equipped garage, but, no press.
Freshman User
Joined: Jan 2003
Posts: 36
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replacing king pins/ how to?
Unless you heat a cast material to higher than the temp it was cast under, you will do NOTHING to the grain structure of the material. Cast materials bare no temper so you need not worry about it. DO NOT heat them to the point where they change color or glow. Just get a small Benz-O-Matic Butane torch and heat up the axle at the spindle. Use WD40 from the top on the pin. When you cool the pin faster than the axle, you will be able to drive it out with ease.
This information come straight from a Welding Engineer. AS well as my personal experience.
This information come straight from a Welding Engineer. AS well as my personal experience.
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