Originally Posted by
varroa
i could've sworn i posted a reply to your questions.
that tool pushes on the tensioner arm to prevent any deviations from the bottom-most position when you are torquing the tensioner pulley down. because, as you know, you have to torque the pulley itself at the same time you are torquing down the pulley bolt. and when you are pushing the pulley against the belt, this action can push the tensioner arm a little bit up, thus taking away from the tensioner's potential to absorb the slack in the timing belt.
i would say it's not REALLY necessary but i would rather have it than not. i mean, is it REALLY necessary to replace the packing around the fuel pump every time you take it out?
you can search for this tool and buy it for about $20 plus shipping online (not OEM, but it worked for me).
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