Take a few extra moments to remove any accumuated grime and then brush the sealing surface so the new seal will last.
Note that this steering knuckle & shield (Left F4TZ-2K005-B, Right
F4TZ-2K004-B) are specific to the '94-up floating caliper design, as indicated by the caliper bolt ear at the far R. Caliper bolt torque 30-36 N-m (22-27 lb-ft). Also note the spindle is NOT designed for the upgraded double-lip seal introduced 5/95.