Help! How do you reclock a rack and pinion? - Lexus IS Forum
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post #1 of 4 (permalink) Old 08-16-2013, 01:04 PM Thread Starter
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Help! How do you reclock a rack and pinion?

I just replaced my rack and pinion and all front bushings on my IS. I took it to the alignment shop, and they said I have to reclock my rack. Does anybody know how to reclock the rack and pinion? Any help would be appreciated.
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post #2 of 4 (permalink) Old 08-16-2013, 08:45 PM
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I'd read the manual and see what it says. Basically the steering wheel has a limited range. Turn it too far to the right or two far to the left and you'll probably destroy the clockspring in the steering column.

Assuming you're relatively close. I'd turn the wheel till the inner tie rods are the same distance from the rack on both sides. Then disconnect the couple between the rack and the steering shaft. Then turning the steering shaft as little as possible, re-center the steering wheel so, it's pointing mostly straight ahead. Then re-connect the steering coupler. The alignment shop can fix some steering wheel alignment problems with the tie rods but, if you're too far off (which it sounds like) there's not enough adjustment room.
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post #3 of 4 (permalink) Old 08-17-2013, 02:08 AM Thread Starter
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Thanks EK9B18 for the help. I was way off center so I finally have to reclock it which is something new to me. I pulled the rack from the steering column and did exactly what you mentioned but more intense. We were doing the calculation method but it was still off. So, we decided to slap the wheels on pull,adjust, and put back on the rack to the column for precise center of the steering wheel. It took a lot of tries to get it down but we did it. I am just curious how off we are on the camber and toe because we were just eyeballing it, but it drove pretty straight and smooth. Again, thanks EK9B18 for the advice because now I know what reclocking means and how to adjust it.
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post #4 of 4 (permalink) Old 08-17-2013, 06:42 AM
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You're only going to be able to get close like this. That's why you need to get it aligned after you're done. The steering shaft and coupler is a coarse adjustment. The tie rods are used for the fine adjustment and to set toe.
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