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Alternator: Adjustments

A/C Compressor (Alternator) Belt Inspection and Adjustment

NOTE: When using a new belt, first adjust the deflection or tension to the values for the new belt, then readjust the deflection or tension to the values for the used belt after running engine for five minutes.

Deflection method:




Apply a force of 98 N (10 kgf, 22 lbf), and measure the deflection between the alternator and crankshaft pulley.

Deflection:
Used Belt: 9.5 - 12.5 mm (0.37 - 0.49 in)
New Belt: 5.5 - 7.5 mm (0.22 - 0.30 in)

NOTE: If the belt is worn or damaged, replace it.

Belt tension gauge method:




Attach the belt tension gauge to the belt and measure the tension. Follow the gauge manufacturer's instructions.

Tension:
Used Belt: 390 - 540 N (40 - 55 kgf, 88 - 120 lbf)
New Belt: 980 - 1,030 N (90 - 105 kgf, 200 - 231 lbf)

NOTE: If the belt is worn or damaged, replace it.
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