Electric vehicles have fewer mechanical components subject to wear than internal combustion engine vehicles. However, this does not mean they require less attention. For businesses, electric fleet maintenance brings new priorities, planning requirements and the need to monitor each vehicle effectively.
The absence of engine oil changes, fuel filters and exhaust systems eliminates several maintenance tasks typically associated with petrol and diesel vehicles. However, other components, such as high-voltage batteries, tyres, brakes and thermal management systems, become particularly important.
For fleet managers, understanding these differences is essential to avoiding unexpected vehicle downtime, controlling costs and ensuring vehicles remain available for daily operations.
What changes with electric vehicle maintenance?
Electric vehicle maintenance generally involves fewer interventions related to the powertrain, as electric motors have fewer moving parts than internal combustion engines.
However, maintenance schedules still depend on manufacturer recommendations, mileage, vehicle age and operating conditions.
Five key areas deserve particular attention.
1. Battery: Monitoring State of Health
The high-voltage battery is one of the most important and expensive components of an electric vehicle.
Over time, its usable capacity gradually decreases through a process known as battery degradation. The rate of degradation depends on factors such as temperature, usage cycles, charging habits and battery technology.
One important indicator is State of Health (SoH)which represents the battery's condition relative to its reference state.
Where this data is available, monitoring changes in SoH can help identify significant variations in driving range and support decisions about vehicle usage and lifecycle management.
2. Tyres: A Cost Worth Monitoring
Battery weight and the immediate delivery of torque can influence tyre wear, depending on the vehicle model and driving conditions.
Incorrect tyre pressure can also increase rolling resistance, reduce energy efficiency and accelerate wear.
For this reason, maintenance should include regular checks of tyre pressure, tread depth, wheel alignment and overall tyre condition.
An appropriate maintenance policy helps preserve safety, efficiency and tyre lifespan.
3. Brakes: Less Wear Does Not Mean No Maintenance
Electric vehicles frequently use regenerative braking systems, which recover some of the energy generated during deceleration.
This can reduce the use of friction brakes and extend the lifespan of certain components.
However, less frequent use can also contribute to brake disc corrosion and other issues, particularly under certain environmental conditions.
A inspeção periódica dos discos, pastilhas e restantes componentes do sistema de travagem continua, portanto, a ser indispensável.
4. Thermal Management and Cooling Systems
Batteries and power electronics need to operate within appropriate temperature ranges.
Thermal management systems help regulate these temperatures, contributing to component efficiency, performance and durability.
Depending on the vehicle model, maintenance may involve checking cooling circuits, fluids, pumps and climate control systems.
Any work involving high-voltage systems must be carried out exclusively by appropriately qualified professionals.
5. Software and Electronic Systems
In electric vehicles, software plays an important role in battery management, charging, energy efficiency and various safety functions.
Manufacturer software updates may include fixes, performance improvements and changes to how certain systems operate.
It is important to follow manufacturer recommendations, check for technical service campaigns and ensure that any necessary interventions are completed on time.
How to plan electric fleet maintenance
When a business operates several electric vehicles, tracking individual maintenance schedules and requirements can become increasingly complex.
A structured approach should consider mileage, vehicle usage, manufacturer recommendations and the maintenance history of each vehicle.
The first step is to centralise maintenance information,including dates, costs, completed work and upcoming servicing requirements.
Next, fleet managers should establish alerts for scheduled maintenance and review historical records to identify vehicles requiring more frequent attention.
It is also important to plan maintenance around operational availability. Scheduling servicing at the right time can help prevent a vehicle from becoming unavailable during a critical period for the business.
How to plan electric fleet maintenance
Electric vehicles can have lower maintenance costs than internal combustion engine vehicles, mainly because their powertrains require fewer routine interventions.
However, actual savings depend on several factors, including vehicle model, usage intensity, tyres, specialist labour and potential repairs outside the warranty period.
To assess costs accurately, businesses should consider the Total Cost of Ownership (TCO), which includes purchase or financing costs, energy, maintenance, insurance, depreciation and other expenses throughout the vehicle's lifecycle.
This analysis allows businesses to compare vehicles and understand whether their fleet electrification strategy is delivering the expected financial results.
As an electric fleet grows, monitoring maintenance costs, servicing requirements and vehicle availability becomes increasingly important.
À medida que a frota elétrica cresce, aumenta também a importância de acompanhar os custos, as intervenções e a disponibilidade de cada viatura.
With JAT Fleetfleet managers can centralise vehicle information, maintenance history, costs and key deadlines, making it easier to plan servicing and monitor daily operations.
This helps businesses identify future maintenance needs, reduce the risk of missed deadlines and make informed decisions about vehicle usage and lifecycle management.
Electrification changes vehicle maintenance requirements. Effective fleet management helps ensure these changes do not lead to unexpected costs.
Discover JAT Fleet and learn how to improve maintenance planning and cost control across your fleet.
