「Maintenance」 list

Have you ever heard of spark plugs? They are an important part of a car engine, but what happens if you keep driving without changing the spark plugs? What is a spark plug? A spark plug is an engine part that ignites a mixture of petrol and oxygen as it enters the cylinder of the engine. The combustion of the air/fuel mixture in the cylinder drives the engine. Living up to their name, spark plugs usually spark a considerably high voltage of 10,000-30,000 volts in order to ignite the air/fuel mixture. The performance of the spark plugs are critical, as ...

There is a proper amount of engine oil. What happens if you replace the oil yourself, accidentally putting more than the proper amount in? The Role of Engine Oil The role of engine oil is to lubricate the engine in order for it to run smoothly. Besides this lubrication effect, it also has various other functions. Specifically: It maintains airtightness between the piston rings and the cylinders, preventing explosion and compressed gas from escaping. It absorbs and dissipates heat generated from the engine It removes sludge and soot etc generated inside the engine It prevents rust from dew condensation inside ...

Have you ever thought “My car feels uncomfortable to ride in recently”? In such a case, the shock absorbers may be deteriorating. What kind of parts are the shock absorbers? We will introduce the type, lifetime expectancy, exchange method and so on below. What is a shock absorber? A shock absorber is a part that absorbs the vibration of a car. You’ve probably heard the word “suspension”, but the suspension is a combination of the springs and shock absorbers. Springs are enough to relieve shocks such as unevenness of the road surface, but with springs alone, the car will feel ...

Usually, a car’s oil lamp lights up briefly before starting the engine. However, when the oil lamp lights up while driving, this indicates the car is in a very dangerous condition. Cause of the oil lamp lighting up The oil lamp is a lamp that lights up and warns you when hydraulic pressure is decreasing. Cause of low oil pressure The main reasons for a drop in hydraulic pressure are as follows. Oil pump malfunctions As the vehicle’s mileage rises, the possibility the oil pump failing increases. If the oil pump fails, it won’t be able to suck up the ...

Diesel engines are commonly associated with black smoke spewing from the exhaust, right? You can often see, on uphill slopes and the like, trucks spitting out black smoke from behind. I will tell you the reason why diesel engines produce black or white smoke. Black smoke and white smoke are signals of a dangerous engine Care must be taken when black smoke, white smoke, or both are emitted from the exhaust of a diesel engine. Depending on the cause, this may be a sign of a malfunction or failure of the engine, so if you leave it as it is, ...

When the engine warning light turns on, it indicates that trouble has occurred inside the engine. Various problems could cause this, but at this time I will introduce six common causes. Causes There are a lot of reasons for the engine warning light to illuminate. The most common cause is due to abnormalities being detected by sensors attached to the engine and its surroundings, or breakdown of the sensor itself. O2 sensor The O2 sensor is a sensor that measures the concentration of oxygen (O2) contained in the exhaust gas and reads the combustion state of the engine. If there ...

A car engine suddenly not starting can make you panic, right? I will inform you of common causes of this from the symptoms when the engine does not start. Symptom # 1: Ignition key does not turn (push start button does not respond) Cause 1: The steering wheel lock is applied Normally, when parking the steering lock is not applied. However, if you turn the steering wheel left or right after parking, the steering wheel lock will be activated as a theft prevention function. In this state, the ignition key will not turn. In this case, you can unlock it ...

When the battery warning light turns on while driving, it can make you panic, right? Actually, the battery warning light turning on does not mean that the battery is broken. I will tell you why the battery warning light illuminates and how to deal with it. What is the role of the battery warning light? The battery warning light is a warning light that lights up when there is an abnormality in the state of charge of the battery. Generally, the battery of a car is 12 V, and around 14 V while running, but it is voltage below a ...

How long is the life of a car battery? Here, I will write about the signs of the end of the life of the battery, and the ideal time to exchange it. Life of a car's battery The lifetime of a typical battery is about two to five years in an ordinary gasoline car. The reason that it varies from two to five years is that the lifetime of the battery depends on how the person uses their car. In addition, the lifespan also changes with the quality of the battery. If the price is cheap, its life may be ...

If there are unusual sounds that have never been heard from the engine or vibrations that are different from usual, it makes us very uneasy, right? Perhaps the engine is causing "knocking". What kind of phenomenon is knocking? Knocking refers to a phenomenon in which abnormal noise and vibration are generated from the engine. These sounds can be heard as a kind of "rattle rattle", "cancan cancan" or "kinkin kinkin". It is called knocking because noise sounds like the sound of knocking on a door. Why knocking happens There are several types of knocking. For each type, I will introduce ...