well the feeler gauge can be sed for many other things besides a valve adjustament like measuring the piston ring gap.
well i had some instructions that would say to briong the car at tdc, losen the bolt, move the crank pulley till the belt comes tight, then tigten it to the torque specs. also i read a lot of stories where the 14mm socket would just get jammed on the bolt head. i don't wanna do that and have my car useless for a few days
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