Grand Vitara JLS Plus 2WD V6-2.5L (2000)
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Check slip rings for roughness or scoring. If rough or scored, replace rotor.
Using a vernier caliper, measure the slip ring diameter.
Standard diameter: 14.2 - 14.4 mm (0.557 - 0.567 in.)
Minimum diameter: 12.8 mm (0.504 in.)
If the diameter is less than minimum, replace the rotor.
Stator
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Using ohmmeter, check all leads for continuity. If there is no continuity, replace stator.
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Using ohmmeter, check that there is no continuity between coil leads and stator core. If there is continuity, replace stator.
Brush and brush holder
Check each brush for wear by measuring its length as shown. If brush is found worn down to service limit, replace brush.
Exposed brush length "a"
Standard: 10.5 mm (0.413 in.)
Limit : 4.5 mm (0.351 in.)
Rectifier