How hard is it to rebuild a Power steering rack?

It seems like a more economical approach, then replacing the entire leaking
rack.  A remanufactured rack will run me about $240 from a local foreign
auto parts store, remaned my Crown.

Found these parts at Bus Boys.

251-498-020  Power Steering Rack Rebuild Seal Kit, Vanagon 1980 to 1991
$105.00

251-498-831A  Boot Set, Left & Right, Steering Rack to Tie Rods, Vanagon
1980 to 1991  $18.10

251-419-803  Tie Rod, Left or Right, Vanagon 1980 to 1991  $45.50

251-419-811  Tie Rod End, Left or Right, Outer Only, Vanagon 1980 to 1991
$31.40

251-419-417B  Steering Coupler, Vanagon 1980 to 1991  $18.20

Jack R.

84 Westy Wolfie