Jimmy Mac sits down with Kevin Lindsey from TravelCenters of America for a clear look at air dryers and tank checks. Kevin explains why your air filter should be one of the first things you review during any inspection. He also walks through how modern engines react to changes in airflow and how that can lead to injector strain, drivetrain vibration, and higher repair costs.
Kevin breaks down how an air dryer handles moisture, heat, and contaminants. He explains why temperature levels matter and why the purge valve often shows normal residue. He also talks about the difference between a leak, a seep, and a weep, and why moisture around certain seals does not always signal a problem.
Jimmy and Kevin wrap up by moving into tank checks. They connect the steps that lead from filters to compressors to dryers to tanks, and how each step affects brake performance.
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