HAS ANY ONE EXPERIENCED CLUNKING NOISE WHEN IN FIRST GEAR OR 4 LOW LETTING ON OR OFF THE GAS ON A 6SPD TRANS. MY JEEP IS A 2005 WITH 60 THOUSAND MILES ON IT FLUID WAS CHANGED AT SERVICE DATE AND NO MAJOR METAL PIECES FOUND.ALSO HAS A NOISE THAT SOUNDS LIKE THROW OUT BEARING IS GOING BAD WHEN CLUTCH IS NOT ENGAGED.ARE THESE COMMON PROBLEM AREAS OR DO I NEED TO WORRY ?