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GM/Detroit 6.5L – NOISY GENERATOR

Noise from a generator may be caused by a loose drive pulley, loose mounting bolts, worn or dirty bear­ings, worn stator, or worn rectifier bridge. If the pulley and mounting bolts are snug and the noise continues, replace the generator. Refer to “Generator Replace­ment.”

Do not disassemble the generator. Separating the end frames will damage the slip ring end bearing. This generator is serviceable by complete replacement only.

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