It would seem that Rich has looked at, but not ever actually changed, the
sector shaft seal on a power steering box. The operation, as detailed in
some repair manuals, is to use a tool to pry out the old seal. This is not
as easy as it sounds.
A very effective method is to remove the pitman arm and seal retainer ring
as indicated, then replace the sector shaft nut without tightening it, place
a large catch basin below the gearbox, and start the car. By the turning
the steering wheel from lock to lock, the pump will develop enough pressure
to blow out the seal (along with copious quantities of power steering
fluid), and the nut at the bottom will retain it on the shaft. There will
be no damage to the sector shaft and housing from frustrating attempts to
chisel out the old seal, and the new one will go in without filing off
little scrapes and gouges.
Give it a try!
Mike Higgins
1955 Belvedere Sport Coupe
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