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Essential Post-Winter Maintenance Tips for Semi Trucks and Trailers

Jan. 25 2024 Information By Erica Bellach

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In the coming months as winter loosens its icy grip across much of the northern U.S., it's time for truckers and fleet managers to shift their focus to post-winter maintenance. At Thompson Truck & Trailer, we understand the importance of keeping your semi trucks and trailers in optimal condition for the warmer months ahead. In this article, we'll guide you through essential maintenance tips to ensure a smooth transition from the harsh winter to spring. While all of these are common maintenance procedures, it’s always good to have a helpful reminder.


  • Inspect and Replace Worn Tires: It’s no secret that the harsh winter conditions can take a toll on your truck's tires. Be sure to inspect each tire for signs of wear and tear, checking for proper tread depth and inflation. Replace any damaged or excessively worn tires to enhance your safety, fuel efficiency, and the safety of other drivers on the road. Thompson Tire & Retread can help you with all your tire and tire service needs.
  • Fluid Checks and Changes: Cold temperatures can impact various fluids in your truck. Schedule a thorough check of engine oil, transmission fluid, brake fluid, and coolant levels, and consider changing these fluids if necessary to maintain optimal performance of your 18-wheeler. Check out the Thompson Parts Specials to get a discount on your fluids.
  • Battery Health Check: Winter can be particularly challenging for truck batteries. Test the batteries to ensure they are holding a charge effectively and also clean any corrosion on the terminals. Make sure to replace old batteries to prevent unexpected breakdowns on the road that will negatively affect your bottom line. 
  • Examine Brake Systems: Truck brakes are a critical component for safety. Schedule a comprehensive inspection of your brake system, encompassing brake pads, rotors, and brake lines. By promptly addressing any identified issues not only ensures reliable stopping power but also contributes significantly to the overall safety of your fleet on the road.
  • Suspension and Alignment: Potholes and rough winter roads can affect your truck's suspension and alignment so be sure to check for any signs of misalignment or worn-out suspension components. A proper alignment ensures better fuel efficiency and tire longevity.
  • Thorough Cleaning and Rust Prevention: Winter road treatments and salt can lead to corrosion of your truck and trailer. Give everything a thorough cleaning, paying attention to the undercarriage and all metal components. Apply rust inhibitors or protective coatings to prevent corrosion and extend the lifespan of your vehicles.
  • HVAC System Inspection: No one wants to be uncomfortably hot or cold in their truck cab. As temperatures rise, it’s time to ensure your HVAC system is in peak condition. Check the air conditioning system, cabin filters, and all components to guarantee a comfortable and efficient environment for drivers.
  • Trailer Maintenance: Don't forget about your trailers, they need maintenance as well! Inspect all lights, brakes, and tires on each trailer. Lubricate trailer components that need it and address any other issues to maintain a reliable, safe, and visually appealing fleet. Brand new in 2023, Thompson opened a dedicated Trailer Shop to help with all your trailer needs - big or small.

At Thompson Truck & Trailer, we prioritize the longevity and efficiency of your commercial vehicles. Following these post-winter maintenance tips will not only keep your semi trucks and trailers running smoothly but also contribute to the safety and satisfaction of your drivers (or you, if you’re the driver). As you gear up for spring, trust us to be your partner in maintaining a reliable and high performing fleet.