I own a 2005 jeep wrangler 4.0 auto (orange). My son owns a 99 jeep wrangler 4.0 5 speed. (black)
My son's jeep is having trouble when shifting from 3rd to 4th gear. He is getting a grinding in the gears while trying to shift. 1st, 2nd fine, 5th fine. I have heard that this might be an issue with the stick shift linkage also a Syncronizor between the 3rd and four gears? Any ideas?