Steering gear box seals question

I have an '87 XJ 4.0L that has a steering gear box issue. Recently my power steering pump gave out so I replaced it and all was well for a couple of days. Then I noticed that my steering gear box was leaking PS fluid from the pitman arm flange. Over a three day time It drained most of the fluid from the new pump. Can seals be repaired or do I have to grab another gear box?

This may not help, but I think you should probably just get a new box. I think you can buy a new seal kit, but spend a little more and do this: If you could obtain one from a 98 or newer XJ, or a 96-98 Grand Cherokee, you would get greatly improved road feel and driving dynamics. You would really like it. I got one from a 98 GC for my 96 country and I love it. It steers much sharper, and is not way overboosted like the older ones. You should be able to get a good condition one from a junkyard for $100 or less, and it should bolt right in like it was made for your year and model. You can do the job yourself with a pitman arm puller rented from Auto Zone.

Does the gearboxes from newer cherokees need the power steering pupmd as well? Or will my 87 pump fit the newer gearboxes?

You should be fine with your existing pump, they are all about the same.