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609albert

excess play in steering wheel

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I have a 1954 LS85 Mack pumper it has as long as I have owned it what seem like too much play in the steering ,put new tie rod ends but it didn't seem to help ,leaning now toward worn steering gear box, any Ideas on a fix?

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How are the U-joints in the steering column?

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their are no U joints in this type

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The Armstrong steering will just feel like it has too much play in it, my 53 LS95 is the same way but it’s always been that way. Just one of that models quirks, it should be different if it’s power steering though, in which case I can’t help you because mine has manual...

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Yes power steering was added during restore and still has excess play

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Truck off, how many inches of free play is there left to right on the steering wheel? 

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I don't know what you have of the steering gear on your LS85 but my L-model - like Mack truck (NR) has one named as Mack Archemoid gear. I had two of them when revised, used perfect low mile screw and sector but found play of the sector cross shaft (the Pitman arm was pressed onto). The shaft turns in two needle bearings and I could trace a pair of NOS ones through fleabay. Those were Torrington brand and almost identical to the original content. The final issue was new bearings supplied almost the same play of the shaft and some overall play in the assembled gear as it was with the old ones. So looked like a factory design to me. I was thinking on plasma-welding excessive metal to the shaft journals and than grind them down to the desired size but passed on that being afraid ruining the shaft.

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I will check it out ,seems like no easy fix

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someone also suggested  tighten2 adjustable ends on drag link

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Look at the box there should be a lash adjustment on it. Generally a jamb nut and a slotted machine thread screw to adjust the sector shaft play. If it is there you need to get the specs on end play. May be a Sheppard box in it but not 100% sure.

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5 hours ago, 609albert said:

someone also suggested  tighten2 adjustable ends on drag link

If you grab the drag link you should be able to feel if there is excess play in the ends. It will rotate but shouldn’t have slop in it.   

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