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Hi, I dont want to "lash" another issue on this matter, but anyhowe.
I bought a C3 wiht a "BIG" lash in the steering.
I have already thought of buyig a new stearing box, but thought I could adjust the old one for the moment.
Any ideas how to get above.
To do the job properly you need to remove the box from the car and buy a very low range torque wrench (3Nm full scale). If all it needs is adjustment then it's not particularly difficult, although whilst it's out of the car you might want to strip it down replace what's worn and put fresh grease in it.
Steps 16 and 17 of this article show how you adjust the box https://www.corvettemagazine.com/196...g-box-rebuild/
Have you checked the condition of your rag joint? Mine looked old but appeared to be in one piece until I removed the metal bracket that the 2 bolts go through.
By big lash I assume you are talking about "lost motion" or play in the box while driving straight.
There are two adjustments to these boxes, they interact with each other. Bearing preload and lash.
While you might get some adjustment to the lash, the overall condition of the box is important. If the box is untouched from new, the grease is suspect. If the box was worked on, even a simple lash adjustment has been made, it can change the game. For example, lash adjustment procedures online or on YouTube are wrong. Over adjusting the lash will wreck the sector and worm.
If you have a couple of threads showing over the jam nut you might be able to adjust it some more, if there are none then it has been adjusted already and probably has bad gears.
If box is good (ALL internals), grease is good and steering shaft coupling is good…how I did mine. After replacing the bushings, was to adjust bearing preload with box in a vise, then reinstall with steering column hooked up but pitman arm disconnected. Set final lash using inch pound, beam style torque wrench turning on the steering wheel hold down nut. Don’t know if this was the best way but it’s been years since doing it this way and it’s still smooth and accurate. No wheel “wander” at all.
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Adjusting steering box
