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Drive Belt: Adjustments

Water Pump and Generator Drive Belt Inspection and Adjustment

1. Disconnect negative cable at battery.
2. Inspect belt for cracks, cuts, deformation, wear and cleanliness. If it is necessary to replace belt, refer to Water Pump and Generator Drive Belt Removal and Installation.
3. Check belt for tension. Belt is in proper tension when it deflects the following specification under thumb pressure (about 10 kg or 22 lb.).

Water pump/generator drive belt tension
"a": 9.0 - 10.0 mm (0.35 - 0.39 in.) as deflection/10 kg (22 lbs)

NOTE: When replacing belt with a new one, adjust belt tension to 7.5 - 8.5 mm (0.29 - 0.33 in.).






4. If belt is too tight or too loose, adjust it to proper tension as follows.
a. Loosen adjusting bolt (2) and remove tension pulley bolt (1). And then turn tension pulley (3) using hexagon wrench (4) as shown.






b. Adjust belt tension to specification, and then tighten adjusting bolt (2) and tension pulley bolt (1) to specified torque.

Tightening torque
Tension pulley bolt (a): 25 N.m (2.5 kg.m, 18.0 lbf.ft)
Tension pulley adjusting bolt (b): 25 N.m (2.5 kg.m, 18.0 lbf.ft)




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