changing the steering rack takes about an hour and a half - detailed
procedures are on the web in several locations and also in the manual -
basically:

drain fluid by disconnecting return line
disconnect ground wire and pull off bellows both sides
unscrew tie rod inner connections
remove bolt holding U joint to steering shaft
remove 4 bolts holding rack to frame
remove bolts to release banjo fitting connected to remaining hose
remove rack (may have to pry u joint)
revers steps to install, be sure to use new seals on banjo fitting
add fluid, move wheels levt and right a few times
start engine (with cover on resivoir), turn wheels left/right, refill fluid,
repeat until no bubbles in resivoir, refilling as needed