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I recently pulled the wheel off of my 64 (262), due to the massive gap between the wheel and the column, and to replace the turn signal cam (which was a pain to locate the correct one, SM-13). Anyway, after replacing the cam, when putting the wheel back on, it will NOT close the gap. There is at least 3/4" space between the wheel and the collar. I've tightened as much as I can. This issue of course negates the entire effort of finding the correct cam signal, and of course the horn doesn't work either. Any suggestions?
If your cab mounts and pucks are shot it is useless to do this procedure until you physically fix the damaged components.
The 61 to 64 and later 4x4s have no lower bearing, only a rubber slip bushing to center the column on the steering box. The box and shaft are integral. The tension is held by the spring under the wheel acting on the upper taper bushing.
IIRC, that gap can be closed by loosening the two bolts on the steering column "U" that attach column tube to the dash. Column tube "U" has slotted holes for just this adjustment. You may also need to loosen column clamp at firewall (engine side) as well.
This adjustment will not move steering wheel one way or the other, only the outside column tube will move up to close the gap.
Once that is adjusted, you will still need to adjust the column tube lower bearing retainer, dash boot, and re-tighten column clamp under the hood. I think the shift rod(s) will survive and not need adjustment.
Be careful, since you have a 3/4" gap, horn spring or something else inside T/S may get damaged doing this adjustment. You might want to remove steering wheel and work that way first.
All these comments are based on an assumption that it is not a 4x4, has the correct length steering shaft to begin with, and so on.
There is no lower firewall retainer on any 61 to 64 factory f100 or f250 column. Nor on any 65 four wheel drive or on 66 f250 four wheel drives. no dash boot no anything but a flat rubber seal and 2 plates to keep the mud off your feet. The steering box is integral type with the shaft and box as one complete unit, A ford Recirc Ball for F100/F250 2 wheel drives and Gemmer 335s for F100/ F250 Four Wheel Drives.
For 1965 when revising the trucks for twin i beam the columns were changed to a dual bearing type with a lower and upper adjustment on 2 wheel drive only. in 66 the F100 four wheel drive also received this upgrade with the addition of the coil spring front axle.
The main reason for the gap is bad cab mounts. As the mounts sag from cancer or the rubber pucks disappear the gap gets bigger on the early units as the steering box is attached tot he frame and the column is attached to the cab. On the later cabs the same happens as the bearings and rag joint are destroyed from the lateral loads.