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Test D: The Generator Is Noisy

PINPOINT TEST D: THE GENERATOR IS NOISY

Normal Operation
The generator is belt-driven by the engine accessory drive system. Generator noise can originate from faulty bearings or electrical problems in the diodes or stator.

This pinpoint test is intended to diagnose the following:
- Accessory drive belt
- Loose bolts/brackets
- Generator/pulley


D1-D3:




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