justinb414

I have a 03 chevy 5.3 z71. and the knock sensor was bad so i changed them but the front one came out easy BUT the one in the back was so dirty and coverd in gunk that it wouldnt come out so easy so when i finilly got it to move only the nut is spining but the housing is not even moving.. im lost now and have no idia what to do...im wondering if this has happen to anyone here or if anyone as any input on how i may can remove it without messing anything up..