How many kilometers or how often do gasoline vehicles change the fan belt and timing belt? Cleaning throttle, oil head and three-way catalytic replacement? Brake pads, and

The timing belt of the engine is generally required to be replaced every 60,000 kilometers by manufacturers. According to years of maintenance experience, it is recommended to replace it once every 80,000 kilometers or 4 years, whichever comes first.

Conditions for cleaning the throttle: step on the throttle, issue a card, idle speed is high, idle speed recovery is slow, throttle opening is large or a fault code is reported, so it should be cleaned. It is said that kilometers are roughly kilometers, which should be around 20,000 kilometers.

The recommended cleaning mileage of nozzle and three-way catalytic converter is about 30 thousand kilometers, or when there is a fault code.

Brake pad replacement cannot be verified by kilometers, and road conditions and driving habits determine the wear of brake pads. Generally, the thickness of new brake pads is about 8mm, and it is recommended to replace them when they are used to 2 mm. ..

The oil for the whole vehicle shall be used in strict accordance with the vehicle instruction manual, and different models have different requirements. Generally, the oil should be changed every 5,000 kilometers, the transmission oil every 8-65,438+10,000 kilometers, and the booster oil, brake fluid and antifreeze should be changed every 3 years or every 65,438+10,000 kilometers.