It takes a big press to move those things-those big C-frame clamp/presses worked because you screwed 'em up as tight as you could with a rattle gun and if nothing moved you gave the head of the bolt a couple good whacks with a hammer to shock things loose. Sometimes a couple cycles of hot/cold is all it takes to break the bond between the axle and the kingpin. Steerable Lift Axle King Pin Replacement Semi Workin 37.8K subscribers Subscribe 1.2K Share 148K views 2 years ago Thanks For Watching Please Like And Subscribe. Once it's up to temp let it cool completely before trying to drive the kingpin out. Heat the whole boss till it's a dull cherry red but stop every so often to give the top of the kingpin a few gentle taps with a hammer-you're not trying to move it, just break it loose. On the other hand, getting some heat into the axle boss can really help. I'd say that cutting one out with the hot wrench is your last resort because it creates a whole set of different problems. It's been a while since I did any kingpins, let alone bigger ones, but I think Dodge has pretty much nailed it. I bought a gas powered jackhammer for track pins and king pins and fortunately haven't had to use it. Dana 44 Axle Parts, Axles, Gears, And Modifications Slickrock 4X4. I don't know if a porta power would work, it seems the impact does most of the work. The Dana 30 uses king pins which are held in with four bolts on the top and bottom. Punches with 4 foot handles become mandatory at this point. Mixer & Plant Parts is not affiliated with or authorized by those manufacturers and provides replacement parts that are designed to fit with equipment from. A small hammer will mushroom the top, a big one will get the pin out. :D I give it three hits and if I don't have any movement I get the 20 pounder and start whaling.
On occasions, the thinist shim may still have to be shaved or lapped a bit thinner in order to prevent binding. If too thick a shim is selected during assembly the king pin will bind when the large 22mm nut on the bottom of the kingpin is tightened. Give the kingpin a few good whacks with a good hammer and it might just slide out. The new king pin kit contains several sizes. Remove the top and bottom cap and withdraw the kingpin. Don't try to torch them out, the pins are long enough the torch tip would melt before the pin and now you have a really hard layer of pin to rub drill bits on. The pins taper so they can wedge into the KP and sometimes they get so tight you have to drill them out. Not funny when you find another locking pin after twenty minutes of swinging a twenty pound sledge. Don't laugh, axles can get so dirty and greasy on first inspection you think it only had one lock pin. Get the verticals really clean so you can find all the locking pins and also to tell which way they go. Gerry there can be two locking pins on some kp's and a lot only have one.
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