What Causes White Corrosion On Car Battery Terminals. Corrosion typically looks like a flaky layer of white or green discoloration that sits on your battery terminals. Its pretty easy to spot typically its a white blue or green-tinged covering on the battery terminal cables or posts.
Corrosion typically looks like a flaky layer of white or green discoloration that sits on your battery terminals. If you periodically pop open your vehicles hood to check the oil washer fluid transmission fluid or anything else chances are youll eventually will see a whitish-blue granular substance around the battery terminals. When you connect a car battery to a copper wire you can cause corrosion in the battery terminals.
Battery corrosion around the posts of the battery is caused by the sulfuric acid and hydrogen gas vapor that can escape from the battery.
If you periodically pop open your vehicles hood to check the oil washer fluid transmission fluid or anything else chances are youll eventually will see a whitish-blue granular substance around the battery terminals. The electrolytes will expand and due to high pressure leakage will occur. Leaving your amplifier or an AC on for long can cause undercharging. Sometimes this vapor is vented out of the top vent blocks on the battery but other times small amounts of this vapor leak out in the area between the posts and where they seal to the plastic battery casing.
