On this episode of Tech Talk with TMC on Road Gang Radio, host Jimmy Mac is joined by Robert Braswell, Executive Director of ATA’s Technology & Maintenance Council, and Joe Long for a deep dive into coolant and DEF maintenance—two critical components in today’s commercial vehicle upkeep.
They break down best practices, common issues, and evolving standards in engine cooling and diesel exhaust fluid systems. Plus, we open the phone lines for live questions from drivers and shop pros across North America.
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