Summer is prime season for long hauls: freight volumes jump, daylight stretches, and Americaās highways fill with vacation traffic. Extra miles in hotter temperatures can be tough on both drivers and their rigs, so smart preparation is the key to staying safe, comfortable, and productive. Below youāll find a practical guideādrawn from industry best practices and seasonedādriver adviceāso you can tackle the heat with confidence.
Hot weather magnifies minor mechanical issues. A quick preātrip onceāover isnāt enoughāadd these summer checkpoints:
- Cooling system. Verify the coolant mix matches manufacturer specs and inspect hoses for sponginess or cracks.
- Airāconditioning. Test blower motors, look for refrigerant leaks, and confirm the cab A/C keeps you alertānot just comfortable.
- Battery health. Heat accelerates corrosion; clean terminals and check voltage weekly.
- Belts & hoses. Expansion in high temps can loosen beltsāreplace any that look glazed or frayed.
- Tire pressure. Pressure rises with pavement temps; use a gauge at every fuel stop and keep a calibrated inflator handy.
- Emergency fluids & tools. Stash a spare gallon of coolant, wiper fluid, and an emergency road kit with flares, jumper cables, and basic tools.