Not quite understand your question.
To replace the drive belt on 02-06 Camry should be quite easy. You do not need to remove or loosen any nut or bolt.
What you need to do are:
Remove the engine cover to get a better view of the belt (it is not a must),
Stand in the right side (passenger side) in front of your car and look in the engine side where the belt is. You will find on the tensioner bracket there is a hexagonal shaped part. But it is not a hexagonal nut, It's a integral part of the bracket (a whole piece of metal).
Use a socket (I forgot the size 17mm?) and long handle ratchet (or a long wrench); hold it and pull to you (towards the front of the car)with your right hand (to remove the belt tension), and use your left hand the move the belt out of the flywheel near the alternator pully. The tensioner spring is somewhat strong.So be careful.
Now you can pull the belt out.
Put the new belt in in the same way.
First put the belt in place except the flywheel you removed the belt(you can not move the belt in because of the tension).
Pull the tensioner towards you with your tool and move the belt in.
Check the belt in the right place on every pully and wheel before starting the car.
Please take other masters advice: if you don't find a belt diagram on the top of the frame or in the hood, make a one yourself. Later you may thank yourself for doing that before hand.
Good luck!
