I have a 2003 Ford Focus 2.0 DOHC zetec. I am trying to replace the serpentine belt. According to my Haynes manual for this vechile it says to loosen the tensioner by inserting a 3/8 rachet in the center hole of the tensioner. I believe I have found the tensioner under the alternator pulley, but the only bolt I see in the center of the tensioner is a round headed bolt. How are you suppost to loosen the tensioner?. Please help.
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