GM Service Manual Online
For 1990-2009 cars only

Generator Noise Test for Chevrolet Malibu 2000

Noise from a generator may be caused by the following conditions:

    • A loose drive pulley
    • Loose mounting bolts
    • Worn or dirty bearings
    • A defective diode
    • A defective stator

Refer to Engine Controls for diagnosis of the PCM-controlled generator.