I have 2 leaky power steering systems...a slow leak on my W126 420SEL and a gusher on the W107 560SL...the pumps both seem to be intact, but the lines seem to be the source of the problem in both instances. I can get the parts fairly cheap, but how hard is it going to be to change them? Should I just let a professional do it or is this something an average DIYer can swing?

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2002 Ford ZX2
2 x 2013 Honda Civics