Too loose. Have you looked into getting one of those late model Vanagon alternator brackets where you turn a gear-like bolt to rack the alternator into tightness? Levers need not apply. My daughter has one and I love it. 

Jim

On Aug 24, 2011, at 11:34 AM, Rocket J Squirrel <camping.elliott@GMAIL.COM> wrote:

> Well, okay. Tensioning as hard as I can with a 12'' screwdriver levered
> between the alternator body and its base, the (brand new), I can deflect
> the belt nearly an inch with my uncalibrated thumb.
> 
> Need a longer screwdriver?
> 
> --
> Jack "Rocket j Squirrel" Elliott
> Bend, Ore.
> 1984 Westfalia. A poor but proud people.
> 1971 "Ladybug"-brand utility trailer ca. 1972 from a defunct company in
> San Clemente, Calif., now repurposed as The Westrailia.
> 
> Sent from my kitchen.
> 
> On 08/24/2011 08:18 AM, David Beierl wrote:
>> If the belt squeals when the weather is cold, recalibrate your thumb
>> 21.47% tighter.