High Pitch Whine with High Electrical Loads
| Magnetic noise from generator bearing noise
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| • | Verify additional electrical loads from accessories (e.g., cell phone,
CB radio, radar detector, etc.).
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| • | Disconnect the regulator connector. If the whine is no longer present,
tighten to specification all generator mounting bolts. Reconnect the regulator. If
whine still exists, replace the generator.
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Squeal, Click, Chirp, or Squeak Seems to Follow Engine RPM
| Serpentine belt generator bearing noise or rotor rub
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| • | Spray belt dressing on the serpentine belt. If the noise goes away, replace
the belt.
|
| • | Check the belt tension and ensure all belted accessories are tight. If
the noise is still present, replace the generator.
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