Enjoy Our Blog

It's full of car care tips and other subjects that interest us.

What are The Main Fluids In My Car & When To Change Them

What are The Main Fluids In My Car & When To Change Them | H B Auto & AC

All kinds of components and systems work together in order to make your vehicle as efficient and robust as it is. But have you ever wondered about the fluids that keep your vehicle running smoothly? If so, join us to unravel the mysteries of your car's vital fluids and guide you on when it's time to give them a refreshing change.

1. Engine Oil

No vehicle fluid guide goes without the mention of engine oil - and that is for a reason. It lubricates the various moving parts, preventing friction and heat buildup. Over time, however, this liquid gold can become contaminated with debris and lose its viscosity. Regular oil changes, typically every 3,000 to 5,000 miles, are crucial to ensure your engine stays healthy and performs at its best.

2. Transmission Fluid

Transmission fluid ensures each gear change is seamless and efficient, as well as keeping everything under a certain temperature. Over time, this fluid can degrade, leading to sluggish gear shifts and potential damage to the transmission system. Frequent checks and changes, around every 30,000 to 60,000 miles, depending on your vehicle and driving conditions, will keep your transmission performing flawlessly.

3. Brake Fluid

Brake fluid, often overlooked, plays a critical role despite its small amount. It transmits the force from your foot on the brake pedal to the brake components, enabling a swift and controlled stop. Why fluid and not wires? Well, the fluid route provides a much more durable solution while costing almost nothing to maintain.

Brake fluid, however, absorbs moisture over time, reducing its effectiveness. Changing brake fluid every 20,000 to 45,000 miles is recommended, ensuring your car maintains its stopping power when you need it the most.

4. Power Steering Fluid

Ever marveled at how effortlessly you can turn the steering wheel? You have power steering fluid to thank for that. This fluid assists in smooth and responsive steering, enhancing your driving experience. Over time, contaminants can compromise its effectiveness, leading to difficulty in turning the wheel. Typically, every 50,000 miles, it will keep your steering system gliding effortlessly.

FAQs After Reading the Article

Q1: Can I extend the intervals for changing these fluids if I don't drive often?

Absolutely, but it's not just about mileage. Time is a factor too. Even if you don't drive much, fluids like engine oil and transmission fluid can degrade over time due to temperature fluctuations and moisture absorption. So, it's recommended to follow both time and mileage guidelines for optimal maintenance.

Q2: Are there signs that indicate my car's fluids need changing?

Indeed, your car communicates with you. Look out for warning signs like dark or gritty engine oil, erratic gear shifts, spongy brakes, or difficulty in steering. Unusual noises or vibrations can also be indicators. If you notice any of these, it's time for a fluid check.

Q3: Can I change these fluids myself, or should I rely on a professional?

While some enthusiasts might tackle simple fluid changes, it's crucial to follow your car's specific guidelines. Complex systems like transmissions and brakes often require professional expertise. Regular maintenance by certified technicians ensures thorough checks and proper disposal of old fluids, preserving your car's longevity.


In the look for professional fluid changes? H B Auto & AC is one call away from helping!

H B Auto & AC is committed to ensuring effective communication and digital accessibility to all users. We are continually improving the user experience for everyone, and apply the relevant accessibility standards to achieve these goals. We welcome your feedback. Please call H B Auto & AC (714) 848-1224 if you have any issues in accessing any area of our website.