The Chevrolet Volt has undergone some changes to its battery pack to avert a possible fire risk.
The risk was caused by a coolant leak, triggered by an impact, which would cause an electrical fire days or weeks after the event.
Chevrolet Volt battery pack fix avoids fires.
The Chevrolet Volt came under fire late last year after the National Highway Traffic Safety Administration found that after a crash coolant would leak onto the battery and could cause a fire a few days or weeks later.
Naturally, this is a problem and Chevrolet set out to fix it. That said, the company did comment that since launch Volt owners have driven nearly 20 million miles and haven’t had a single instance of the issue. The company also pointed out that the Volt achieved a full five EuroNCAP rating in the EU.
After much research and testing, Chevrolet has found a solution to the problem:
- Strengthen an existing portion of the Volt’s vehicle safety structure to further protect the battery pack in a severe side collision
- Add a sensor in the reservoir of the battery coolant system to monitor coolant levels
- Add a tamper-resistant bracket to the top of the battery coolant reservoir to help prevent potential coolant overfill.
Since implementing the changes the American company has not been able to replicate the firey fault.
Mary Barra, GM senior vice president of Global Product Development, commented: “These enhancements and modifications will address the concerns raised by the severe crash tests…There are no changes to the Volt battery pack or cell chemistry as a result of these actions.”
Read Chevy Volt has battery changed to avoid fire risk on 5FWD
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