First, you need to loosen the nut on the front of the tensioner pulley. -Ron Childs '91 --- Randy Palmer <randy_palmer@hotmail.com> wrote: > Dumb question: How does one increase or release the tension on the > alternator belt? Turn that 5mm Allen head bolt on the very top of the > tensioner, teh one that has a circlip around it? > > -RP