It does not look frozen on (rust). Which even those, aren't that bad to free.
Simple rotate steering wheel until split in clamp, points down for easy access from below. Wedge in a reasonable wide blade chisel. Tap on wedge/chisel, to spread clamp a bit.
If a non VGRS (03-07 LX). You can pound above U-joint on intermedia shaft, upward to toward steering wheel. Which pounds, interment shaft clamp, away and off pinion input shaft. You may need to replace a mounting bolt, to hold rack firmly.
Many shop just air hammer off. Which can be done, provide not VGRS and one is careful.
Note: Do not turn steering wheel more than 180 degrees from wheels centered straight ahead starting point. Turn steering wheel only, back in reverse direction to center. Do not lose track of which direction you turn the steering wheel. Or you'll bust the clock spring, if steering wheel turned to much.
Take note of alignment paint marks on new rack & pinion. They're on pinion housing, boot and input shaft.
Air hammer witness mark.
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Poorly place air hammer sharp chisel WORNG
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Once inner TRE out equally distance. Match paint color marks, to dead center R&P.
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