I am trying to change the belt on this car. It is the old style, I think. I have found the brass looking tensioning bolt 13mm. I think I found the locking bolt. but cannot find anything that will fit it. I tried a t55 torx that fit with some slack, but when I tried to loosen it I thought it might strip the head. Is it an allen head and what size is it? Is it a 10mm allen head?
Thanks for any help on this issue.
JohnT

10mm allen head

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