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Don't Get Caught This Winter: Marion's Most Overlooked Auto Maintenance Tasks

  • Shawn Miskelley
  • Oct 29
  • 6 min read

Car driving in southern Illinois in winter snow and ice

The leaves are changing colors around Marion, the rain's been coming down steadily, and everyone's talking about what kind of winter we're in for this year. While you're digging out your coats and checking the furnace, your car needs some winter prep attention too, and we're not just talking about the obvious stuff.


Sure, most drivers remember to check their tires and maybe test their battery, but there are several critical maintenance tasks that get forgotten every single year. These overlooked items are the ones that'll leave you stranded on a cold morning or dealing with expensive repairs that could've been prevented. As your neighbors at PMR Automotive, we've seen it happen too many times, and we want to make sure you're not caught off guard this winter.


The Forgotten Heroes: Your Car's Unsung Winter Components


Coolant System: More Than Just Summer Protection

Here's something that surprises a lot of Marion drivers: your coolant system works just as hard in winter as it does during those sweltering July afternoons. While everyone thinks about coolant preventing overheating, it's equally critical for preventing your engine from freezing solid when temperatures drop and for carrying that precious heat to the vents in your car.


Your coolant (also called antifreeze) needs to be at the right concentration to protect against freezing, typically a 50/50 mix of coolant and water. But here's what gets overlooked: coolant breaks down over time, losing its protective properties. Old coolant can actually freeze at higher temperatures than fresh coolant, turning your engine block into an expensive paperweight.


The warning signs? Look for coolant that's turned rusty brown instead of its original bright color, or check if your temperature gauge is reading higher than normal. During your next visit at PMR Automotive, you can also ask the technician about your coolant condition as part of their complimentary health check. Don't wait until you see steam rising from under the hood on Highway 13 - by then, you might be looking at serious engine damage.


Windshield Wipers: Your First Line of Defense

Marion IL Driver cleaning snow from windshield lifting wiper blades

Those rubber blades on your windshield might seem like a minor detail, but they're absolutely critical for winter driving safety in Southern Illinois. Marion's mix of rain, sleet, snow, and the inevitable widespread salt creates challenging visibility conditions, and worn wiper blades can turn a manageable drive into a white-knuckle experience.


Most drivers don't replace their wipers until they're already streaking and chattering across the windshield. Here's the thing: by the time you notice they're not working well, they've probably been compromised for months. Rubber deteriorates from sun exposure, temperature changes, and general wear, all of which happen gradually.


Pro tip: Replace your wiper blades every 6-12 months, preferably before winter hits. Don't forget about your rear wiper if you have one! It's just as important for backing up safely in bad weather.


Battery and Charging System: The Heart of Cold Weather Starting

Your battery works harder in cold weather, period. Chemical reactions slow down in low temperatures, which means your battery produces less power right when your engine needs more power to start. It's a cruel irony that catches drivers off guard every winter.


But here's what many people don't realize: it's not just about the battery itself. Your entire charging system, including the alternator and connections, needs to be in top shape to keep everything running smoothly. Corroded terminals or a weak alternator can leave you stranded even with a good battery.


The signs to watch for include slow engine cranking, dim headlights, or that dreaded clicking sound when you turn the key. Don't ignore these warnings, especially as we head into colder months. A professional battery and charging system test takes just a few minutes and can save you from a cold morning surprise.


If you do find yourself stranded without a start, you can still call us at PMR Automotive to have your vehicle towed to the shop and running warm in no time.


Heater and Defroster: Beyond Comfort

Your car's heating system isn't just about staying comfortable, it's a safety system. In Marion's winter weather, your defroster is essential for maintaining clear visibility, and your heater prevents interior condensation that can fog up windows at the worst possible moment.


The heater core, blower motor, blend door actuators, and associated components work together to keep you safe and comfortable. When this system starts failing, you might notice weak airflow, strange smells, air that won't change between vents, or lukewarm air when you've got the heat cranked up. Sometimes the issue is as simple as a clogged cabin air filter (yes, your car probably has one of those too), but other times it indicates more serious problems.


Brake System: Beyond the Obvious

Everyone knows brakes are important, but the brake system components that get overlooked are often the most critical for winter driving. We're talking about brake fluid, brake lines, and the entire hydraulic system that makes your brakes work.


Brake fluid is hydroscopic: it absorbs water over time, which compromises braking efficiency and can lead to brake failure in extreme conditions. Old brake fluid also has a lower boiling point, which can cause brake fade during heavy use.


When was the last time you had your brake fluid checked? If you can't remember, it's probably been too long. Fresh brake fluid should be relatively clear; if it's dark brown or black, it needs to be replaced.


Lights: Seeing and Being Seen

Mairon IL Car Headlights in snow

Winter means shorter days, which means you'll be driving in low-light conditions more often. But it's not just about your headlights: though those are obviously important. Your entire lighting system, including taillights, brake lights, turn signals, and hazard lights, needs to be functioning perfectly.


A burned-out brake light might not seem like a big deal until someone rear-ends you because they didn't realize you were stopping. With winter weather reducing visibility and increasing stopping distances, every light on your car becomes a critical safety component.


Check all your lights regularly, and don't forget about the less obvious ones like your license plate lights and side markers. Clean, properly aimed headlights can make the difference between seeing that pothole or patch of ice and hitting it at full speed.


Why These Tasks Get Overlooked

The honest truth? These maintenance items get forgotten because they don't fail dramatically. Your alternator doesn't usually die gradually: it works fine until it doesn't. Your coolant doesn't slowly lose its effectiveness in a way you'd notice until it's too late. Your brake fluid doesn't send you daily reminders that it's absorbing moisture.


Unlike a squealing brake pad or an obviously flat tire, these systems fail quietly in the background until they cause a major problem. That's exactly why they need proactive attention, especially before winter weather arrives.


Getting Ahead of Winter: The PMR Advantage

This is where having a trusted local automotive partner makes all the difference. At PMR Automotive, we understand Marion's specific weather challenges and how they affect your vehicle. We've seen every type of winter-related breakdown, and we know how to prevent them.


Our comprehensive winter readiness inspection covers all these overlooked areas: not just the obvious stuff. We check coolant concentration and condition, test your entire electrical system, evaluate your brake fluid and hydraulic components, inspect your heating and defrosting systems, and make sure all your lights are working properly.


The best part? Catching these issues early is always less expensive than dealing with them after they've caused problems. A coolant flush costs a fraction of what you'd pay for engine damage from freezing. Fresh brake fluid is much cheaper than rebuilding brake calipers damaged by contaminated fluid.


Your Next Steps

Don't wait for that first hard freeze to think about winter preparation. The time to address these overlooked maintenance tasks is now, while the weather's still cooperative and before the holiday rush hits.


We believe an educated customer is the safest customer, which is why we take the time to explain what we're seeing and why it matters. Whether you're driving a daily commuter, a family SUV, or a work truck, these winter preparation steps apply to every vehicle on Marion's roads.


Ready to make sure your car is winter-ready? Give us a call at PMR Automotive or book online. We'll take care of these often-overlooked maintenance tasks so you can focus on enjoying the season instead of worrying about breaking down in it. Your future self, the one staying warm and safe in a reliable vehicle, will thank you for taking action now.

 
 
 

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