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Chassis Batteries – Caution
Be careful around your chassis batteries and never have your head in there when someone turns on the ignition.
This happened a week or so ago at Jeff’s and sounded like an air bag explosion. No one was near the rear and I believe all Jeff did was turn on the key and whamo.
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6 Replies
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What the hay caused that? Gremlins or Russians??
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That is typically caused by a broken cell connector inside the battery. A load is put on the broken connector sparks in a explosive gas environment. All this happens inside the battery. Things go boom…
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Happened to me.
What a mess to clean up. Batteries were 4 years old. I now make sure that each time I start the engine, I turn the ignition switch to the first position, wait for all the relays to click, then turn to the start position. So far, so good (plus I replaced all batteries).
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Happened to me last year on chassis bat only turned on ignition no starter
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How many of you that had a chassis battery burst also use a battery maintainer or trickle charger? Be honest.
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My guess is with Jon, they had likely been on charge and were gassing.
The batteries in the picture are over 6 years old, my guess would be that they had more than one weak cell at that age. If they make it to their 5 birthday I would replace them just from a reliability standpoint.
Just my 2 cents
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