Hi all- I'm working on replacing the O2 sensor and spark plugs on my 1996 Town & Country LXI 3.8. I've put the intake plenum back on and I'm nearly finished, but I'm stuck on the EGR valve and vacuum lines to the intake plenum. Here's a picture of what I started with: Here's what I have...

Yesterday, my 1999 Dodge Grand Caravan sprouted a power steering fluid leak. It appears to be coming from above the rack. The metal lines are badly corroded. If these lines are bad, how difficult of a job will it be to replace them? Can it be done without removing the rack itself? Any input...