AGREE WITH THE OTHER GUYS , IF THAT NOISE GOES AWAY AT HI RPM AND STAYS AWAY UNTIL IT DROPS BACK IT ISN,T A ROD ,PULL THE FRT CVRS AND YOU WILL FIND THE TENSIONER AT THE RIGHT FRT END OF THE ENG , AND WHILE YOU ARE IN THER IF FINANCES ALLOW REPLACE THE T BELT, TENSIONER IS ABOUT 60-65 DOLLARS A ND THE BELT 50 OR SO JERRY