Express 1/2 Ton Van V8-5.7L VIN R (1999)
Alternator: Testing and Inspection
Generator Noise Test
Generator noise may be caused by the following conditions:
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A loose drive belt.
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Loose mounting bolts.
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A loose or poor fitting terminal.
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A faulty component inside the generator.
Replace the generator it the drive belt and the mounting bolts are snug and there is still excessive generator noise.
Do not disassemble the generator. Separating the two end frames will damage the slip ring end frame bearing. CS-130 generator is serviceable by
complete replacement only.
