I have a 99 s10 and I'm goin through balljoints like it's my favorite thing to do.

Uppers are original manufacturer even though I have almost 190k on the truck...they seem fine, no noise or wobble...but i'm about to put my 4th pair of bottoms on. I'm wearing through them REALLY fast...WHY???!!!

I bought the best I could from advanced(without goin name brand) like $50-$60 each I think. Installed and greased correctly. I have ABSOLUTELY NO IDEA why this is going on. Alignment seems decent but could that be it?

HELP???!!!

 

Ever try to change top and bottom at the same time? When I did mine I changed both because it's the same amount of work either way. Also for grease, after you have installed everything start filling the balljoint and stop when you see the boot to start to inflate. If you put in too much the seal will break and the grease will leak out and wear them out that much faster.