it's that little rubber peice in the middle of that lower timing belt cover. Just pull it off and stick a 14mm socket in there and loosen it.
Why exactly are you taking the TB off? You do know eveything has to be at TDC before you take it off right? And if you don't know what bolt the guy in the above quote is talking about or 3 teeth I believe you should leave your TB alone and let a professional do what you need to be done.

 

well could you enlighten me and explain the 3 teeth thing i know abot top dead center. by the way im putting skunk 2 stage 1 cams in and skunk 2 cam gears. i've done this before but we cranked it with the belton part way and it went on the rest of the way i just want to do it right on my car. we had no problems before it ran fin and the timing wasnt off

 

i just put the timing belt back on my friends wrecked gsr to see if i could and it went on fine how does it tighten though?

 

when you have the tb on and everything is TDC turn the crank so that the gears spin about 3-4 teeth. Then tighten the tensioner. Not that hard.