Preventive maintenance is the cheapest way to have a reliable car. Replacing parts and fluids at the right time prevents major failures, preserves resale value and increases safety. The owner’s manual is always the main reference, but there is a basic schedule that works for most cars.
Frequent checks (every month or every 1,000 km / 600 miles)
- Engine oil level.
- Coolant and brake fluid levels.
- Tire pressure, including the spare.
- Lights, wipers and horn working.
Every 5,000 to 10,000 km (3,000 to 6,000 miles)
- Oil and oil filter change: the interval depends on the type of oil and on usage. Under severe use (heavy city traffic, dust, short trips), it’s best to shorten it.
- Tire rotation: helps tires wear evenly.
- Brake inspection: pads, rotors and possible leaks.
Every 10,000 to 20,000 km (6,000 to 12,000 miles)
- Engine air filter.
- Cabin (A/C) air filter.
- Wheel alignment and balancing.
- Suspension check: shocks, bushings and ball joints.
Every 30,000 to 40,000 km (18,000 to 25,000 miles)
- Spark plugs (varies widely by engine).
- Fuel filter.
- Brake fluid replacement (or every two years).
- Battery check.
Every 50,000 to 100,000 km (30,000 to 60,000 miles)
- Timing belt: if your engine has one, strictly follow the replacement interval. If it breaks, it can seriously damage the engine.
- Coolant.
- Transmission fluid, when the manufacturer calls for it.
- Accessory belts and tensioners.
Signs that something needs attention
- Warning lights on in the dashboard.
- New noises when braking, turning or going over bumps.
- A sudden increase in fuel consumption.
- A burning smell or stains under the car.
How to save without neglecting your car
Compare quotes from more than one shop, ask whether the parts are OEM or quality equivalents and keep all receipts. A complete maintenance history is worth money when it’s time to sell.
Conclusion
Following a maintenance schedule isn’t an expense, it’s an investment. Use this guide as a starting point, adjust the intervals to your vehicle’s manual and your driving style, and your car will pay you back with years of surprise-free use.