As the temperatures start to dip, your car’s fluids and filters become even more important for keeping everything running smoothly. Prepping them for fall isn’t just about comfort — it’s about safety, performance, and preventing costly repairs.
Engine Oil
Cooler weather can cause oil to thicken, which makes it harder for your engine to start and stay lubricated. If you’re due for an oil change, now’s the time to switch to fresh oil that meets your vehicle’s seasonal recommendations. This helps your engine run more efficiently and protects it during cold starts.
Coolant/Antifreeze
Your coolant isn’t just for summer. It’s critical for preventing your engine from freezing on cold mornings and avoiding corrosion inside your radiator and cooling system. Have your coolant levels and mixture checked — a proper 50/50 mix of coolant and water is key for fall and winter protection.
Transmission Fluid
Transmission fluid ensures smooth gear shifts, and cooler weather can expose low or dirty fluid problems. If it’s dark, smells burnt, or hasn’t been changed per your maintenance schedule, replace it before fall driving begins.
Brake Fluid
Moisture in brake fluid can cause rust in brake components and reduce stopping power, especially in fluctuating fall temperatures. If your fluid looks dark or your brake pedal feels spongy, it’s time for a flush.
Power Steering Fluid
Cold weather can make steering more difficult if your fluid is low or contaminated. A quick top-off or replacement can keep your steering smooth and responsive.
Air Filter
Your engine air filter keeps dirt and debris from entering the engine, but over summer it can get clogged with dust, pollen, and road grime. A clean filter ensures better airflow and fuel efficiency — and helps your heater work more efficiently by reducing strain.
Cabin Air Filter
Fall brings leaves, pollen, and more debris into your HVAC system. A fresh cabin air filter keeps the air inside your car clean and helps your heater and defroster run better.
Fuel Filter
A clean fuel filter ensures proper fuel flow to your engine. If it’s clogged, you could face performance issues, hard starts, or even stalling — problems you don’t want as the weather changes.
Final Thoughts
By replacing these fluids and filters before fall sets in, you’re setting your car up for a smoother, safer, and more reliable season ahead. Think of it as your vehicle’s seasonal health check — quick, simple, and worth every mile it’ll save you from trouble.