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A heavy-duty truck no-start problem usually comes down to one of two things: the engine will not crank at all, or it cranks but…

Improper tire alignment on a heavy-duty truck causes uneven wear, steering problems, and a higher chance of losing a tire before its service life…

Electrical system failures in a heavy-duty truck need professional help when the problem is intermittent, affects multiple systems, keeps blowing fuses, causes a no-start,…

Seasonal weather changes can weaken a heavy-duty truck’s electrical system long before a battery, starter, alternator, or wiring problem becomes obvious. Winter usually brings…

Hydraulic brakes meet safety standards when the system can stop the truck straight and predictably, the pedal feels firm, the fluid stays sealed in…

Heavy-duty truck battery maintenance is mostly about catching weak batteries, bad connections, and charging problems before the truck leaves you with a no-start. On…

Sensors are what let a modern heavy-duty truck know what is happening inside the engine, aftertreatment system, brakes, tires, and other major systems. If…

Battery load testing tells you whether your truck batteries can actually deliver starting power under stress, not just show decent voltage sitting at rest….

Intermittent electrical issues in a heavy-duty truck usually come from a connection problem, a weak ground, battery or charging trouble, or wiring damage that…

A truck fault code is not a repair by itself. It is the truck’s way of telling you which system saw a problem, what…

Faulty sensors can make a heavy-duty truck run weak, idle rough, waste fuel, derate, or act like it has a major engine problem when…

Seasonal fleet maintenance checklists matter because heavy-duty trucks do not fail the same way in winter, spring, summer, and fall, and the trucks that…