Fleet vehicles in construction and oil & gas face extreme operating conditions every day. Rough terrain, gravel roads, muddy lease sites, and long distances to repair facilities mean that even minor mechanical issues can quickly escalate into serious safety hazards. Recent industry recall events involving coolant leaks, electrical faults, and overdue service work serve as a reminder that vehicles used for work require more frequent and more thorough inspections than personal vehicles.
Because these vehicles are relied on for transporting workers, hauling materials, and towing equipment, any unexpected failure puts people at risk. Many mechanical problems develop gradually, making them easy to overlook during busy work times, which is why consistent inspections and preventative maintenance are critical.
Why Vehicle Maintenance Matters
Vehicles experience constant strain every day that leads to wear over time:
- Hoses, belts, and seals can weaken
- Electrical lines and connectors loosen or corrode
- Fluids can degrade or leak
- Suspension and steering components will wear down
- Safety systems (lights, cameras, alarms) can fail unexpectedly
While these deficiencies start small, they can quickly escalate into dangerous situations if they aren’t caught on time. This is especially true when vehicles are used to transport workers, tow equipment, or haul materials.
Common Issues That Develop Over Time
- Coolant and oil leaks
- Worn brake pads or rotors
- Cracked wiring or damaged connectors
- Loose fasteners
- Weak batteries
- Blocked air filters
- Tire wear and sidewall damage
Reducing Mechanical Stress on Work Vehicles
- Perform Consistent Inspections.
- Conduct a daily walkaround before driving
- Look underneath for fresh leaks
- Check lights, signals, alarms, and cameras
- Inspect for loose, frayed, or damaged wiring
- Test brakes, steering, horn, and mirrors
- Keep Fluids Clean and at the Correct Levels
- Check oil, coolant, brake fluid, and transmission fluid
- Top up as needed and follow service intervals
- Watch for discoloration, unusual smells, or low levels
- Monitor Tires & Suspension Closely
- Inspect tires daily for cuts, bulges, and uneven wear
- Maintain proper tire pressure
- Check shocks, springs, and mounts after rough travel
- Protect Critical Safety Equipment
- Clean camera lenses
- Test alarms and sensors
- Replace burnt-out bulbs immediately
- Confirm mirrors are secure and properly adjusted
Preventative Maintenance Procedures
Workers should perform pre-trip inspections, test critical functions, and report unsafe vehicles immediately. Weekly or routine maintenance should include a closer look at hoses, belts, wiring, and fluid levels, along with listening for unusual noises or vibrations. After any repair, documenting the work and monitoring the vehicle for several days helps confirm the fix was effective. At the fleet level, maintaining detailed logs, scheduling regular inspections, requiring proof of contractor repairs, and removing unsafe vehicles from service all help to ensure no vehicle slips through the cracks. Any vehicle found unsafe must be removed from service until cleared by a qualified technician.
Final Thoughts
Preventative maintenance protects workers, reduces downtime, and extends vehicle lifespan. By recognizing the early signs of wear, addressing small issues promptly, and ensuring vehicles are inspected regularly, companies can significantly improve safety across all worksites.
Kasa Consulting currently offers WHMIS 2025 online training to complement your internal safety training needs. As of December 2025, anyone who uses WHMIS must follow this amended standard. Training can be found through our online portal at https://www.bissafety.app/store/kasa-consulting-store/productdetails/whmis-2025.