1994 Caravan rack & pinion seal

Hello. My brothers 1994 Caravan is leaking power steering fluid out of the rubber boot on the end of the rack and pinion. Obviously the seal inside is blown but my question is...How hard is it to change
just that seal as opposed to pulling and replacing the entire rack and pinion? Any input or links to appropriate websites is appreciated as this thing is leaking badly. Thanks
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get a art from car-part.com or local junk yart, and change it all, it will be very time consuming to change the seal only. you need to take the lover control arm down, (4 nuts if i remember right. it is very easy to do) those cars are racka pinon killers. i suggest you put a lifetime waranty one.
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