ES 250 V6-2.5L (2VZ-FE) (1991)
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Drive Belt: Specifications
Use a belt tension gauge to check the tension of the alternator and power steering belts. A new alternator belt should be 170-180 lbs. A used alternator
belt should be 95-135 lbs. A new power steering belt should be 100-150 lbs. A used power steering belt should be 60-100 lbs.