
Here are the items that need to be performed during the fourth service for a car: 1. Engine oil and filter replacement: Change the engine oil and filter, using the oil provided by the 4S store. 2. Clean and inspect filters and vehicle fluids: Clean the air filter and cabin air filter, and check if the brake fluid, antifreeze, and power steering fluid are at the proper levels, topping them up if necessary. 3. Inspect various components for normal operation: Check the chassis components and suspension for any abnormalities or looseness (including tire pressure); inspect all lights for proper functioning; examine the wear condition of the brake pads; and measure the battery voltage to ensure it is normal.

The fourth service is quite important, and as someone who drives frequently, I never take it lightly. Typically, it involves changing the engine oil and oil filter, which is standard every 5,000 to 7,000 kilometers. Then, the brake system needs to be checked—if the brake pads are worn thin, they should be replaced immediately to avoid safety hazards. The tires should also be rotated, swapping the front and rear positions to extend their lifespan. The air filter is also likely due for a replacement, as accumulated dust can clog it and affect engine performance. Various fluids should be checked for levels, such as brake fluid and coolant, and topped up promptly to prevent overheating. Testing the lights and battery is essential—batteries older than two years might be nearing the end of their life, so catching issues early avoids inconvenience. Suspension checks are also necessary; if driving on rough roads feels off, inspect the springs and shock absorbers. I recommend consulting the vehicle manual, as requirements vary by model—Toyota’s fourth service might include spark plugs, while Ford’s might involve checking the AC system. In short, timely maintenance saves money on major repairs, and safety should always come first—don’t delay.

I just had my fourth service last week, felt like giving the car a health check. Started with an oil and filter change, basically every six months; then they checked the brake discs and pads, the technician said my rear ones are getting thin and to keep an eye on them; the tires were rotated, which supposedly saves money on tires; the air filter was replaced, and the weird smells in the car are much less now; they also tested all the fluids, topped up the coolant where it was low, and the battery test was normal but they warned I might need a new one in two years; the suspension got a quick look and seemed fine. Extra advice was to check the lights and wipers, those small details are easy to overlook. After the service, the car drives smoother, and the cost was a few hundred bucks, totally worth it, just find a reliable shop to get it done.

My fourth mainly includes several key parts: changing the engine oil and oil filter is the top priority to ensure lubrication and prevent wear; remember to rotate the tires, swapping front and rear to even out tread wear; checking the brake system is crucial, as long as the thickness is normal, there's no issue; the air filter is usually replaced to keep the engine healthier with better filtration; fluid checks include coolant and battery fluid, top them up if low; don’t skip testing the lights and battery to avoid breakdowns on the road; if there are any unusual noises, check the suspension and belts. This stage is around 30,000 to 40,000 kilometers, preventing minor issues from turning into major repairs.

As a car owner, I believe the fourth should focus on key points: changing engine oil and filter saves money and hassle; brake inspection is a must for safety; tire rotation is the most cost-effective way to extend usage; replace the air filter when it's dirty; fluid tests ensure no shortage of battery fluid or coolant; check lights and battery to prevent sudden issues; additional checks like the AC system can be done occasionally. Costs vary by location, but prevention is more valuable than repairs—I spent over 500 at the dealership to cover everything, saving future troubles.

I've summarized the fourth items: changing the engine oil and oil filter is the foundation; inspect the brake pads and discs, repair any abnormalities early; rotate the tires to reduce wear; replace the air filter to remove dust; check various fluids like coolant to see if they need topping up; testing lights and the battery is a necessary step to avoid nighttime troubles; inspect the suspension to prevent bumps. The mileage is typically after 30,000 kilometers, depending on the car model—Hondas might require more frequent spark plug changes, while Hyundais include more system scans. Remember to do it on time to save on major repair costs and improve driving safety.


