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Eric, Automotive Repair Shop Manager
Category: Toyota
Satisfied Customers: 32082
Experience:  20+ yrs. experience as repair shop manager and technician.
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I have a 2001 toyota sienna, the serpentine belt for the alternator

Customer Question

I have a 2001 toyota sienna, the serpentine belt for the alternator snapped and i was wondering first if you could send me a belt diagram. and specifically i need help in both identifying and using the tensioner.
Submitted: 8 years ago.
Category: Toyota
Expert:  Eric replied 8 years ago.



Routing diagram:





There isnt a belt tensioner on this one. Instead, the alternator is lossened and then when belt is put on, tightened back.

  • loosen pivot bolt
  • loosen adjusting lock bolt
  • loosen adjusting bolt. If alternator doesnt move as you are loosening the adjusting bolt, it has some corrosion buildup. Loosen the adjusting bolt several turns and then with a block of wood placed on alternator, tap it with a hammer to free the alternator up. Now continue to loosen bolt until new belt can be installed over all the pulleys.
  • tighten in reverse order