Understanding the Fluids Your Car Needs

It's surprising to learn that about one in four vehicles on the road has at least one fluid that needs attention. Whether you're a seasoned driver or just starting out, understanding the role of these fluids and how to check them can save you time, money, and potential breakdowns. Here’s a quick guide to the key fluids in your vehicle and what to look for.

Engine Oil

Engine oil is essential for lubricating the moving parts inside your engine. Without it, metal components would rub against each other, causing severe wear and tear. It’s recommended to change your oil every 3,000 to 5,000 miles, depending on your vehicle and driving conditions.

To check your oil at home, park your car on a flat surface and let the engine cool down. Locate the dipstick, usually near the front of the engine. Pull it out, wipe it clean, then reinsert it before pulling it back out to check the level. The oil should be between the “full” and “add” marks. If it’s dark, sludgy, or smells burnt, it’s time for a change.

Transmission Fluid

The transmission fluid helps your car shift gears smoothly. If you notice rough shifting, jerking, or unusual noises, it could mean your fluid is low or degraded. Unlike engine oil, transmission fluid doesn’t need to be changed as frequently—often every 60,000 to 100,000 miles, depending on your model.

When checking the fluid, make sure it’s clear and has a red color. If it turns brown or has visible particles, it may be time for a replacement. Always consult your owner’s manual for specific recommendations.

Coolant (Antifreeze)

Coolant keeps your engine from overheating in hot weather and prevents freezing in cold climates. It also protects against corrosion. Most manufacturers recommend checking and topping off coolant every 50,000 miles, but regular visual inspections are important too.

If the coolant looks cloudy, dark, or has a strange smell, it might be contaminated. Never replace coolant with water—it can cause serious damage over time. Always use the correct type specified by your vehicle’s manufacturer.

Brake Fluid

Brake fluid is crucial for your car’s stopping power. It transfers pressure from the brake pedal to the brake calipers. If the fluid level drops, it could mean your brake pads are wearing down. Low fluid can compromise safety, so it’s important to have it checked regularly.

Changing brake fluid is not a DIY task. It requires special tools and knowledge to avoid contamination. Always have a professional handle this job to ensure your brakes remain reliable.

Power Steering Fluid

This fluid makes it easier to turn the steering wheel. If it’s low, you’ll feel resistance when turning, which can be dangerous. Check the reservoir under the hood and top it off if needed. If the fluid is dark or smells bad, it may be time for a flush and replacement.

Windshield Washer Fluid

Windshield washer fluid keeps your wipers effective and your windshield clear. If you drive often, especially in harsh weather, you’ll need to refill it more frequently. It’s an easy task that can be done at home with a simple bottle of washer fluid.

Other Important Fluids

Several other fluids play a role in your car’s performance:

• Differential Fluid: Lubricates the gears in your rear and front axles, helping maintain smooth power transfer.
• Refrigerant: Keeps your air conditioning system working properly, ensuring cool air in the summer.

Ignoring routine checks on these fluids can lead to costly repairs, reduced fuel efficiency, and even engine failure. Regular maintenance not only extends the life of your vehicle but also improves safety and performance. If you’re unsure how to check or change any of these fluids, don’t hesitate to bring your car in for a professional inspection. Contact our Naugatuck shop today to schedule an oil change and get your fluids checked.

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