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How To Prevent The Most Common Winter Car Issues

Posted Nov 24th, 2023 in Auto Insurance, Did You Know?, General, In the News, Insurance Tips, Media

How To Prevent The Most Common Winter Car Issues

Ontario winter weather can present various challenges for vehicles, and several issues may arise due to the cold temperatures, snow, ice, and road salt. Here are some common problems that cars can experience during the winter months and some tips on how to prevent these issues from arising. 

Dead Battery:

Cold temperatures can reduce the efficiency of a car battery. It may have difficulty providing enough power to start the engine, leading to a dead battery.


Keep the battery charged by driving the vehicle regularly. Consider using a trickle charger or a battery warmer in extreme cold. Before winter, have the battery and charging system inspected.

Frozen Fuel Lines:

When water vapour in the fuel lines freezes, it can block the flow of fuel to the engine, preventing the car from starting.


Keep the fuel tank at least half full to minimize condensation. Use fuel additives that prevent freezing, and park the vehicle in a garage if possible.

Thickened Fluids:

Cold temperatures can cause fluids such as engine oil, transmission fluid, and brake fluid to thicken, making it harder for the vehicle's systems to operate efficiently.


Use winter-grade fluids designed for colder temperatures. Check and top off all fluids regularly, following the manufacturer's recommendations.

Tire Pressure Changes:

Cold air causes tire pressure to drop. Under-inflated tires can reduce traction and fuel efficiency and increase the risk of a blowout.


Check tire pressure regularly and inflate them to the recommended levels. Consider using winter tires, which are designed to perform better in cold conditions.

Frozen Engine Coolant:

If the coolant mixture is not properly balanced, it can freeze, potentially causing damage to the engine and cooling system.


Ensure the coolant mixture is appropriate for winter conditions. Regularly check the coolant level and condition. If needed, have the cooling system flushed and refilled.

Icy Windshield Wipers:

Wiper blades and fluid can freeze, making it difficult to clear ice and snow from the windshield. 


Lift the wiper blades when parking to prevent them from freezing to the windshield. Use winter-grade windshield washer fluid that contains antifreeze agents.

Stiffened Belts and Hoses:

Rubber components, such as belts and hoses, may become stiff and brittle in cold temperatures, increasing the risk of failure.


Inspect belts and hoses for wear and cracks regularly. Consider replacing them if they show signs of aging before winter. Keep the engine compartment clean from debris.

Reduced Fuel Efficiency:

Cold weather and the use of heaters can reduce a car's fuel efficiency. Additionally, engines may run less efficiently in colder conditions.


Combine trips to reduce cold starts and keep the vehicle well-maintained. Follow the manufacturer's recommendations for routine maintenance.

Corrosion from Road Salt:

Road salt, used to melt ice on roads, can contribute to rust and corrosion on the undercarriage and other metal components of a vehicle.


Wash the vehicle regularly, especially the undercarriage, to remove salt. Apply a protective coating to vulnerable areas and consider rustproofing before winter.

Limited Traction:

Snow and ice on the roads can reduce traction, leading to slipping and sliding. It can also increase the risk of accidents.


Use winter tires for improved traction. Drive at a safe and controlled speed in snowy or icy conditions. Keep a safe following distance.

Frozen Door Locks:

Moisture can accumulate in door locks and freeze, making it difficult to unlock or lock car doors.


Apply a silicone-based lubricant to the door locks before winter. Keep a lock de-icer or a small amount of isopropyl alcohol on hand for emergencies.

Exhaust System Issues:

The exhaust system may be more prone to rust and corrosion in winter due to exposure to road salt. Additionally, snow accumulation can block the tailpipe, leading to the risk of carbon monoxide entering the vehicle.


Have the exhaust system inspected regularly, especially before winter. Consider applying an anti-rust spray to exposed exhaust components. Clear snow from the tailpipe before starting the vehicle.

Diminished Heater Performance:

    The heating system may have to work harder in cold weather, and components like the thermostat or heater core can malfunction, reducing the effectiveness of the car's heating.


    Have the heating system inspected before winter. Replace the thermostat if needed. Keep the cabin air filter clean and ensure that the coolant level is adequate.

    To minimize these issues, it's essential to perform regular winter maintenance, including checking and maintaining fluid levels, ensuring the battery is in good condition, using winter-grade fluids, and keeping the vehicle clean and free of road salt buildup. Regular inspections and addressing any issues promptly can help ensure a safer and more reliable driving experience during the winter months.

    Winter in places like Ontario brings challenges like icy roads, heavy snowfall, and increased chances of accidents, collisions, and unexpected damages. Despite diligently following preventive measures to safeguard your car during winter, the heightened risks associated with harsh weather conditions make incidents more probable. Even with careful driving and routine maintenance, factors beyond your control, such as falling ice, theft, or animal collisions, can pose significant threats. In such unpredictable circumstances, having comprehensive car insurance becomes paramount. Comprehensive coverage goes beyond collisions, providing financial protection for a range of non-collision events, including damage from weather-related incidents, theft, vandalism, and other unforeseen situations. This type of insurance ensures that you are covered for the diverse risks associated with winter conditions, offering peace of mind and financial security in the face of unexpected challenges.

    At Youngs Insurance Brokers, we are dedicated to equipping you with the optimal car insurance coverage that suits your individual needs. With our experienced team of brokers, we comprehend the dynamic nature of insurance, particularly in the face of shifting seasons and driving environments. Feel free to connect with us if you have any questions or would like to review your policy. 

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    Disclaimer: The information provided on this blog is for educational purposes only and is not intended as professional insurance advice. The coverage, terms, and conditions of each insurance policy are unique and subject to individual circumstances. The information provided does not guarantee the availability or suitability of any insurance policy for your specific needs. You should not rely on the information in the blog as an alternative to professional advice from your insurance broker or insurance company. If you have any specific questions about any insurance matter, please consult a licensed insurance broker for personalized advice and guidance.

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