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We have exciting news! River City Tire & Automotive is now part of the GreatWater 360 Auto Care family! This means we can offer our customers even more than before; with upgrades in training, technology, and equipment that allows us to service your vehicle better, and a new 3 Year/36k Mile Nationwide Warranty. Most importantly, you’ll find the same friendly faces and top-notch service you’ve come to know and trust!

Cooling System & Cold Weather - Effects and Prevention

Cooling System & Cold Weather - Effects and Prevention | River City Tire & Automotive

Cold weather can pose a range of challenges for the proper functioning of your car's cooling system, potentially leading to issues that can compromise engine performance and overall vehicle reliability. While that is a widely known fact, preventative maintenance and the actual effects it has are not as talked about - let's take a closer look at that and provide you with the needed information. 

Effects of Cold Temperatures on the Cooling System

Freezing Coolant and Engine Damage
During extreme cold snaps, the coolant in your vehicle's cooling system can freeze, leading to a catastrophic expansion that can crack the engine block or radiator. This can result in significant damage, leading to costly repairs and potential engine replacement. To prevent this, using a coolant with adequate antifreeze properties is crucial in maintaining the integrity of the system during frigid temperatures.

Thickened Fluids and Reduced Lubrication
The viscosity of essential fluids, such as engine oil and transmission fluid, increases in colder weather, causing them to thicken. This thickening can impede their smooth flow, reducing their ability to properly lubricate and protect vital engine components. Regularly checking and maintaining optimal fluid levels, as well as using the appropriate winter-grade oil, can help mitigate this issue, ensuring effective lubrication even in the coldest conditions.

Radiator Obstructions and Overheating
Snow and ice accumulation can obstruct the radiator's cooling fins, hindering the proper dissipation of heat. This obstruction can lead to inefficient cooling and potential engine overheating, especially during extended drives or when navigating snow-covered roads. Regularly inspecting and clearing any ice or snow buildup on the radiator is essential in maintaining the cooling system's efficiency and preventing potentially damaging overheating incidents.

Preventive Measures to Ensure Optimal Cooling System Performance

Use Coolant with Antifreeze Properties

Utilize a coolant with adequate antifreeze properties, ensuring that it is compatible with the specific temperature ranges in your area to prevent freezing during extreme cold spells.

Regularly Check Fluid Levels

Monitor the levels of engine oil, transmission fluid, and coolant regularly, ensuring that they are at optimal levels and replacing them as recommended by the manufacturer to maintain proper lubrication and cooling efficiency.

Inspect and Clear Radiator Fins

Regularly inspect the radiator for any ice or snow buildup, gently clearing any obstructions to promote adequate airflow and prevent potential overheating issues.

Battery Maintenance

Conduct regular battery checks, ensuring that it is fully charged and securely fastened, and consider using a battery blanket or insulation to protect it from the strain of cold temperatures.

Inspect Belts and Hoses

Regularly inspect belts and hoses for signs of wear or damage, replacing them as needed to prevent potential leaks or malfunctions within the cooling system.


If you need your vehicle checked and you live in the region of Davenport, the trustworthy and reliable answer is River City Tire & Automotive! Our techs have years of experience and are passionate about their job, so you know your car will be in good hands!

312 E 35th St Davenport, IA 52806 (563) 386-2700
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