RATTLING NOISE

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MY 2001 SUNFIRE IS MAKING A RATTLING NOISE NOT A PULLEY CAUSE IT DOES IT WITH THE BELT OFF SOUNDS LIKE IT'S COMING FROM PASSENGER SIDE BUT HARD TO TELL ALREADY REPLACED TENSIONER PULLEY,THAT'S WHAT I THOUGHT IT WAS BUT NOPE ANY HELP WOULD BE GREAT THANKS!! ALSO DOES THIS ENGINE HAVE A TIMING BELT OR CHAIN? THANKS AGAIN