Your truck demands a different level of care and attention as the seasons change. At Coopersburg & Liberty Kenworth, we help drivers, owner-operators, and fleet managers prepare for the colder months with comprehensive fall semi-truck maintenance. From heating to tires to brakes and more, we make sure you’re road-ready for autumn.
Heater and Defroster System
Before the first cold front comes, it’s essential to test your heater and defroster systems. Make sure every vent is blowing warm air and that both your front and rear defrosters are pushing heat effectively. If your cab takes longer than usual to warm up, don’t wait. Schedule HVAC system service early so that small problems don’t become a serious (and expensive) problem.
Steering, Suspension, and Alignment
Your truck’s steering and suspension systems are critical to maintaining control, especially on slick or uneven roads. Over time, wear and tear can cause misalignment, loose components, or uneven tire wear, which compromise your ability to steer safely and smoothly. A thorough inspection of all suspension parts — including shocks and bushings– should be included in your annual maintenance routine. If you notice any steering pull, vibration, or wheel misalignment, it’s critical to get a front-end alignment. Ideally, this should be done in the fall, before winter driving conditions worsen.
Tire Inspection, Rotation, and Replacement
As summer turns to fall, your tires take on a new set of challenges. Cooler weather causes tire pressure to drop, which can negatively affect traction, fuel efficiency, and handling. Before the leaves fall and the roads get slick, take time to inspect your tires thoroughly. Here’s what to look at:
Tire Pressure: Fall’s fluctuating temperatures can lower PSI, hurting fuel efficiency, steering response, and braking. Use a reliable gauge to regularly check your tire pressure and inflate to the manufacturer’s specs.
Tread depth and wear: Low tread reduces grip on slick roads. Uneven wear could signal alignment or suspension issues that need attention.
Damage or Debris: Cracks, bulges, or embedded debris can lead to blowouts or leaks. Don’t ignore the signs! Schedule a repair or replacement as soon as possible so you don’t cause additional damage to your truck’s related components.
Summer-Worn Tires: If your tires are nearing the end of their lifespan, fall is the best time to invest in replacements. Fresh, properly rated tires improve traction and control, especially on wet, icy, or uneven autumn roads.
For more information on when to replace your truck tires, read this blog.
Oil and Filter Service
Cold weather makes your engine oil thicken, making it harder to circulate through your engine. This reduces its ability to lubricate moving parts and makes cold starts more difficult. If an oil change is due (or overdue), fall is the perfect time to replace the old, degraded oil. Switching to cold-weather-rated engine oil helps your engine run smoother and protects it during freezing conditions. Don’t overlook the oil filter! A clogged or aging filter can restrict oil flow, adding stress to your engine when it needs reliable lubrication the most. A seasonal oil and filter change pays off in performance, engine protection, and unexpected maintenance costs.
Brake System Inspection
Your brake system directly impacts truck safety, especially when road conditions are unpredictable. Rain, mud, and early frost can all effect stopping performance, making brake maintenance more important than ever. Start by checking your brake pads, rotors (or discs), and fluid levels. If you hear squeaking or grinding, feel vibrations during braking, notice a spongy pedal or a slower stopping response, those are clear signs that your system needs immediate attention. Replacing worn components before winter can prevent dangerous situations and keep your truck compliant with DOT safety regulations.
Coolant and Antifreeze System
Old or contaminated coolant as well as low coolant levels can lead to serious problems like overheating or freezing, particularly on long hauls. Check hoses and clamps for leaks, brittleness, or corrosion, and flush the system (if needed). Make sure your coolant is winter-rated and topped off to the proper concentration. A well-maintained cooling system keeps your engine running efficiently and protects it in even the harshest weather conditions.
Schedule your Fall maintenance today at our Coopersburg Kenworth, Liberty Kenworth of South Jersey, and Liberty Kenworth of Bristol locations. For all-makes parts, service, body shop services, financing, and more, contact us today.