Replace Accessory Belts on 5VZ-FE V6
To remove them, cut them off. To install and adjust tension on new belts work from engine forward, alternator, A/C, then P/S:
Alternator - Pivot bolt is on top, tensioner is on bottom middle of alternator facing driver's side wheel well. Tension lock nut is in front on bottom. Both pivot and lock nut must be loosened to move alternator with tensioner. Loosen tensioner/install belt/tighten tensioner.
Tighten:
Pivot bolt 38 ft-lbs
Lock nut 25 ft-lbs
A/C unit has idler pulley. Remove the skid plate to gain access from bottom. Loosen idler pulley lock nut (center of pulley) and move pulley in with adjusting bolt (driver's side bottom). Tighten idler pulley to 22 in-lbs/install drive belt/adjust belt tension.
Tighten:
Pulley lock nut 29 ft-lbs
Install skid plate
Power steering unit:
Same description as alternator except facing passenger side. You can see the P/S tensioning unit from the top. You have to turn the pully to get access to pivot bolt.
Tighten:
Pivot bolt 32 ft-lbs
Lock nut 32 ft-lbs