Need to change the serpentine belt on my 2.4l Saturn aura 2008, rented the tool for the tensioner … Don’t see any way to loosen the tensioner.. I tried the bolt on the tensioner but it only loosens or tightens the tensioner.. there is a square on that tensioner for a tool to fit but wouldn’t that have been included in the Auto Zone tool rental kit? the tool they give looks the right size but wont fit in the little square.
I read that the 3/8 square on the tensioner is where I loosen it from, I tried accessing it from both the top and underside of the car, yet the 3/8 tool I rented wont go into the supposed 3/8 square on the tensioner. Looking up the tensioner on ebay for the specific 2.4l one, it shows one but it doesn’t look at all like mine.
This is a the tool similar to what I use. It has a long enough handle to get into tight places. And you are right, it is a 3/8 head square.
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