Anyone know if I can remove the pitman arm and replace the lower seal in the steering gearbox housing while it is sill ine the car?

 

I think you have to remove the box. There are two steering boxes. One for manual and one for power.

Factory Service Manual - Manual Box

Factory Service Manual - Power Box

 

Do you know what the two seals at the bottom look like? Regular oils seals with a lip or something special?
(Reference first picture on page10b-23 of the power steering gearbox)

 

I don't. Here is the parts manual but the image doesn't really help. Page 1 -N9

https://www.foxed.ca/rx7manual/manua...000A-4600A.pdf

They list a seal kit, FA55-32-180, but can't tell if it's the box seal kit or not.

There is also what they call a pitman arm seal. Maybe that can be replaced without only removing the pitman arm.

79-85 Rx7 Pitman Arm Seal (8545-32-278)

https://www.atkinsrotary.com/Suspens...45-32-278.html