help right inner tie rod end
 

I took my 83 240dl to a shop to have it safteyd and the mech. told me that I need to replace the right inner tie rod end and the left lower ball joint; I would like to do the tie rod end my self and I am looking for any advise or trick's to doing the job, not exactly sure witch of the three kind's it is(havent looked on the door post yet). what kind of ball joint separator do I need to do this? please help need to get my car on the road