Rack & Pinion Steering Hard?

So my rack & Pinion has had a leak for awhile now and I tried fixing last week (JB Weld) and it failed. So I'm going to replace. So my question is, how hard is it to replace these? I seems easy from my POV, but maybe now. Is the actual steering mechanism hard to get out? Looks like I have to come in through the engine bay for that. Any tips/suggestions/writeups that may help out? I want to get this done before it snows. Thanks.