EXPRESS AutoCare Laval

Automotive batteries & electrical system

Automotive battery, charging system, and electrical maintenance and repair at EXPRESS AutoCare in Laval

Automotive Battery and Electrical System Services in Laval

Comprehensive diagnostic, maintenance, and repair services for batteries and electrical systems across all vehicle types: internal combustion, hybrid and electric (EV). We service all vehicle makes, specializing in European cars and possessing recognized expertise in Tesla vehicles maintenance.

Our technicians perform precise diagnostics on electrical systems to ensure reliable starting, optimal charging, and the proper functioning of all the vehicle's electronic components.

WHAT OUR TECHNICIANS WILL DO:
  • Diagnosis of 12V and auxiliary batteries.
  • Battery capacity, charging, and starting tests.
  • Charging system check (alternator, voltage regulator).
  • Inspection of the starter motor and starting circuit.
  • Analysis of current leakage and parasitic draw.
  • Check of cables, terminals, fuses, and electrical connections.
  • Diagnosis of electronic issues using advanced tools.
  • Battery replacement and programming according to vehicle specifications.
  • Check of high-voltage systems for hybrid and electric vehicles (EVs).
  • Inspection of charging and energy management systems for electric vehicles.
WARNING SIGNS:
  • Slow or difficult engine starting.
  • Battery warning light on the dashboard.
  • Intermittent electrical failure.
  • Dim or flickering lights.
  • Loss of power to electrical accessories.
  • Battery draining quickly.
  • Electronic error messages.
  • Difficulty charging a hybrid or electric vehicle.
  • Unexpected shutdown of certain vehicle systems.
SERVICE TIPS:
  • Have your battery checked before periods of extreme cold or heat, as extreme temperatures reduce its performance and lifespan.
  • A weak battery can cause electronic issues, error messages, and breakdowns that are difficult to diagnose.
  • Have the charging system tested regularly to ensure the alternator, starter, and voltage regulator are functioning correctly.
  • When replacing a battery, use one that meets the manufacturer’s specifications (type, capacity, cranking power, and AGM/EFB technology if required).
  • For hybrid and electric vehicles (EVs), a professional diagnosis is recommended to check the high-voltage battery, energy management system, and charging components.
  • Preventive maintenance of the electrical system helps avoid unexpected breakdowns and ensures greater vehicle reliability.

A well-maintained battery and electrical system is essential for the proper functioning of your vehicle. Through precise diagnostics and preventive maintenance, our technicians quickly identify issues and ensure the reliability of starting and charging systems as well as electronic components.

- Discover our discount coupons »


Schedule A Quick Appointment (450) 681-1414

Top Brands

      


Get Directions

Related Services

1

Controls

Battery, visually inspect the battery for signs of damage, corrosion or leaks. Make sure the battery terminals are clean and tight, and that there are no loose or damaged cables.


Drive belt, visually examine belts for signs of cracks, excessive wear, tears, cracking or slipping.


Components and accessories, inspect pulleys, bearings and driven accessories (alternator, power steering pump, air conditioning compressor, etc.).

2

Maintenance

Battery maintenance, clean terminals, connections and apply protective coatings.

3

Diagnostics

Battery warning light, an electrical system diagnosis is necessary to determine the possible source of the problem.


Battery voltage test, if the voltage is low or abnormal, it may indicate a problem with the vehicle's battery or charging system.


Charging system test (Alternator), if the charging voltage is below the normal range or if it varies significantly, it may indicate a problem with the alternator or charging system.

4

Repair

Drive Belt, replacement of multifunction or “V” drive belt, pulleys and tensioners.


Battery, capacity test, recharge and battery replacement. Resetting and programming the on-board computer.


Charging system, charging system capacity test and alternator replacement. Resetting and programming on-board computer.


Starting systems, test starter electrical voltage and starter replacement. Resetting and programming the on-board computer.


Road Test

Vehicle road test before delivery, using several simulations and driving maneuvers to test the performance of the engine and transmission at acceleration and at idle to ensure the proper functioning of the systems and that no warning lights anomaly does not light up.

Expert Advice

  • Off-Road Driving

    When driving off-road, a vehicle's battery and electrical system are essential for powering electrical systems, including ignition, lighting, and accessories. Here are some tips for taking care of your battery while driving off-road:


    Regular Maintenance:
    - Make sure the battery is in good working condition before heading off-road. Check its electrolyte level (if applicable) and make sure the terminals are clean and tight.


    Shock and vibration protection:
    - Off-Road roads can be bumpy and rough, which can damage the battery if not properly secured. Install sturdy battery mounts to minimize vibration and shock.


    Protection from the elements:
    - Keep the battery protected from the elements as much as possible. If your vehicle has a front or rear bumper, consider installing a battery box to protect it from splashing mud and water.


    Charge Monitoring:
    - Monitor the battery charge while driving off-road, especially if using power accessories such as winches or additional lights. Avoid discharging the battery flat, as this can shorten its lifespan.


    Use A Quality Battery:
    - Opt for a high quality battery suitable for Off-Road use. Batteries designed for extreme conditions can better withstand the vibrations and shocks encountered when driving Off-Road.

  • Service Tips

    When it comes to a vehicle's battery and electrical system, service advice is crucial to ensuring reliable operation of the electrical system. Here are some important recommendations:


    Regular inspection:
    - Regularly check the condition of the battery, including its electrolyte level (for traditional batteries) and the condition of the terminals and connections.


    Terminal Cleaning:
    - Clean the battery terminals and connections to remove corrosion and ensure a proper electrical connection.


    Seasonal Maintenance:
    - In winter, make sure the battery has enough charge to start in cold weather. In summer, avoid letting the battery overheat by protecting it from extreme temperatures.


    Use Quality Parts:
    - When replacing electrical system components, use quality parts that meet the manufacturer's specifications to ensure optimal compatibility and performance.

  • What Our Technicians Do

    Batteries and the electrical circuit are essential components of any vehicle. Here are some useful tips and information about them:


    Batteries:

    Visual Inspection:
    - Checking for signs of corrosion around terminals and cables. Cleaning and maintenance of terminals and cables.


    Diagnosis & Repair:

    - Battery capacity test to assess battery health and performance.


    - Battery replacement, resetting and programming the on-board computer.


    Charging System:

    Visual inspection:
    - All components of the charging system, including the alternator, drive belt and electrical connections. Look for signs of damage, corrosion or loosening.


    - Drive Belt Inspection: Checking for signs of excessive wear, cracks or tears.


    Diagnosis & Repair:

    - Charging system low voltage may indicate a problem with the alternator.


    - Replacing the alternator and drive belt, resetting and programming the on-board computer.


    Electrical circuit:

    Visual inspection:
    - Inspect wire harnesses, connectors and terminals for signs of damage such as fraying, corrosion or burnt spots. Check for loose connections or disconnected wires.


    Diagnosis & Repair:

    - Bowling fuse, relay or short circuit.

    - Repairing damaged wires or connections, overloads or other electrical problems.


    Drive Test

    - Once repairs are completed, our technicians will perform a road test and additional check to ensure the problem has been resolved and that no malfunction warning lights come ON.