Typically you have to get the CV joint or half shaft, because the ABS ring is pressed on to the outer CV joint. I have taken a used axle, and worked off the ABS ring and then installed it on the axle with the broken ring. I would go to www.alldatadiy.com for instructions and pictures on how to remove the axle etc.
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Thanks for your rapid reply. I will have to determine if this project is beyond my capabilties.