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08/26/2024

Hot Wheels: Managing Fleet Vehicles and Driver Safety in High Temperatures

Source: Fleet Management Weekly

As the summer sun blazes, fleet managers face the dual challenge of maintaining vehicle performance while ensuring the well-being of their drivers. High temperatures can wreak havoc on fleet vehicles, leading to increased maintenance demands and potential breakdowns. At the same time, the health and safety of drivers become a priority as they navigate the challenges of extreme heat. Understanding how high temperatures affect fleet vehicles and implementing practical preventative measures and maintenance schedules can keep both vehicles and drivers in optimal condition throughout the summer.

The Impact of High Temperatures on Vehicle Performance and Driver Safety


Preventative Measures and Maintenance Schedules for Vehicle and Driver Safety
To mitigate the adverse effects of high temperatures on fleet vehicles and ensure driver safety, consider the following preventative measures and maintenance strategies:

  1. Regular Coolant Checks and Maintenance

Ensure the cooling system is in top condition by regularly checking and topping off coolant levels. Flush and replace the coolant according to the manufacturer’s recommendations. Inspect hoses and the radiator for leaks or signs of wear and tear. 

  1. Battery Inspection and Maintenance

Check battery terminals for corrosion and ensure they are clean and secure. Test battery voltage and replace batteries that show signs of weakness. Consider using batteries designed for high-temperature environments if your fleet operates in consistently hot climates.

  1. Tire Maintenance

Monitor tire pressure regularly and adjust it to the manufacturer’s recommended levels. Inspect tires for signs of over-inflation, such as bulging or uneven wear. Rotate tires regularly and replace them when tread wear reaches unsafe levels.

  1. Fluid Level Monitoring

Regularly check and maintain appropriate levels of engine oil, transmission fluid, brake fluid, and power steering fluid. Use high-quality fluids that are designed to withstand high temperatures and provide optimal performance.

  1. Brake System Maintenance

Inspect brake pads, rotors, and fluid regularly. Replace brake pads and rotors as needed to ensure optimal braking performance. Flush and replace brake fluid at intervals recommended by the manufacturer to prevent overheating and brake fade.

  1. Engine and Transmission Care

Schedule regular engine and transmission inspections to identify potential issues before they become critical. Consider using synthetic oils that offer better high-temperature stability and protection.

  1. Air Conditioning System Checks

Ensure the air conditioning system is functioning correctly to provide a comfortable environment for drivers. Regularly check refrigerant levels and inspect the system for leaks or component wear.


Ensuring Employee Health and Safety with Driver Risk Management Tools
In addition to vehicle maintenance, prioritizing driver health and safety is crucial, especially during extreme heat. Implementing a comprehensive driver risk management program, such as Mentor by eDriving, can significantly enhance safety measures. Mentor by eDriving includes tools like the Driver Vehicle Inspection Report (DVIR) and Driver Event Reporting (DER), which help maintain vehicle safety and monitor driver safety.


Navigating the challenges of summer heat is essential for fleet managers committed to both vehicle performance and driver safety. Proactive maintenance, such as regular inspections and fluid checks, forms the foundation of resilience against the heat’s toll on vehicles. Yet, true fleet resilience goes beyond maintenance schedules; it encompasses driver well-being. Driver risk management programs like Mentor by eDriving, with its robust driver risk management capabilities like vehicle inspection tools and event reporting, empower fleets to monitor and improve driver behavior, ensuring safer roads for everyone. By integrating these tools with comprehensive maintenance protocols, fleet managers can navigate summer’s challenges with confidence, knowing their vehicles are reliable and their drivers are safe.

Safe driving.

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