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What Happens If the Alternator Gets Wet?

Model: (Various brands) Various
Part: Alternator

Video tutorial

You may find yourself driving on a road during heavy rain and hit a deep puddle, noticing the battery warning light illuminate for a few seconds on the dashboard, while simultaneously hearing a whistling or noise from the auxiliary belt. This likely means that water has splashed onto the V-belt, causing it to slip, which produces the noise and prevents the battery from charging for a short period.

The issue is easily resolved as it will disappear once the water dries.


Updated on 30 June 2026 by ScegliAuto


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by ScegliAuto

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