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The Most Common Car Failures in Winter and How to Avoid Them – 6 Tips

Winter is a very demanding time for cars. Large temperature fluctuations, increased humidity and frost are just a few of the many factors that have a negative impact on vehicles. What are the most common faults in the winter season? How can you prevent them?
- Car breakdowns do happen in winter, but fortunately you can prepare for some of them.
- The solution for a frozen lock is a defroster, and for frozen seals – silicone sealant.
- It's a good idea to carry jumper cables in the trunk so you can start your car if necessary.
- Learn more about this, how to prepare your car for winter!
- 1. Freezing of locks in the winter season
- 2. Damage to the car seals
- 3. Dead battery in winter
- 4. Body corrosion in winter
- 5. Brake failures in winter
- 6. Diesel fuel system problems
Some car parts break down more often than others in winter. This is due to the fact that they are more sensitive to freezing temperatures. Check out which technical problems affect the largest number of cars in the winter season.
1. Freezing of locks in the winter season

Unfortunately frozen car lock is one of the most common problems during the cold months. Water collects in the cylinders, which turns solid and makes it impossible to insert and turn the key. How to protect your car from winter? A way to deal with such a defect may be a de-icer. It is worth remembering, however, that alcohol preparations are not as effective as those that displace water from the lock structure. Overusing the former can lead to complete damage of the element over time.
A good choice is My Car Lock defroster. Its task is not only to melt ice, but also to prevent refreezing and protect against corrosion.
Injectable car de-icer
De-icers allow you to deal with the problem in just a few seconds. These are reusable products that should be closed and stored in the garage or trunk after use.
2. Damage to the car seals

Others that are equally common car faults in winter are freezing seals. This phenomenon occurs when water gets between the rubber element and the door. This often prevents it from getting into the car. Trying to open it by force can even result in complete damage to the seal.
Question, How to protect your car seals before winter? To prevent this situation, it is best to use special protective preparations that are applied before the frost arrives. They increase the elasticity of the seals and reduce the risk of freezing at negative temperatures.
3. Dead battery in winter

Typical winter car faults are also those related to the battery. This is due to the fact that the battery discharges quickly during intense temperature fluctuations. Sometimes it can no longer be charged - it is necessary to replace it with a new one. Strong garage heating and excessive humidity are also problematic.
In winter, it is best to park your car in a dry place where the temperature is around 15°C. You should also not allow the battery to discharge completely, especially in severe frost. This can lead to its complete destruction, even if it is new. How to prepare your car for winter? The answer is jumper cables. See how it works starting the car with cables!
4. Body corrosion in winter

Although rust can develop all year round, winter conditions are conducive to its formation. Snow sticking to the bodywork and the omnipresent humidity increase the risk of corrosion. For this reason, it is worth applying a special protective coating to the chassis and bodywork before the season. It is also a good idea to regularly washing the car in winter and thus removing road salt and mud from its surface.
5. Brake failures in winter

Time for another one winter car failure. In winter, it is also common for brake pad calipers to become blocked, which causes uneven wear of the discs and increased fuel consumption. The cause is snow with road salt getting into the system. This is a common problem in cars with decorative plastic hubcaps. In winter, it is worth giving up these elements and regularly checking the condition of the pads and discs.
6. Diesel fuel system problems

At very low temperatures, paraffin can precipitate from diesel fuel. This is another reason car faults in winter. It causes the filter to become clogged, preventing fuel from flowing freely between system components. This prevents the car from starting and sometimes leads to damage to important parts.
A way to deal with this problem may be to use special additives for diesel fuel – depressants. They help maintain the proper composition and consistency of the liquid, and at the same time are completely safe for the engine. It is best to use them before the arrival of heavy frosts. Find out more, read, how to use diesel depressant!
The most common faults in cars in winter are those caused by moisture and negative temperatures. Before the season, it is worth investing in professional preparations that protect the car's structure and operating fluids from frost.