same thing happens to me when shifting from 2nd to 3rd or from 4th down to 3rd. My mom supposedly asked a mechanic what was needed (who knows what she actually said) but according to him I needed an axle. I just think its the syncros going out.

IonNinja 2005 Saturn ION-2 Sedan 1996 Ford Contour GL - Collecting dust...Zetec project anyone?