What is motor oil?

1 Answers
EmersynAnn
07/25/25 2:06am
Motor oil is a type of lubricating oil. Below are specific details about lubricating oil: 1. Function: Lubricating oil is a liquid lubricant used in various types of machinery to reduce friction between parts and protect machinery and processed components. It primarily serves functions such as lubrication, cooling, rust prevention, cleaning, sealing, buffering, and eliminating impact loads. 2. Composition: Lubricating oil generally consists of two parts: base oil and additives. The base oil determines the fundamental properties of the lubricating oil, while a small amount of additives can compensate for and improve the performance of the base oil. It is typically a product of petroleum distillation, but can also be extracted from animal and vegetable oils. Based on its source, it is classified into three major categories: animal and vegetable oils, petroleum lubricating oils, and synthetic lubricating oils.
Was this review help?
14
3
Share
More Forum Discussions

How to Turn Off the Rear Wiper on an Old Ford Focus?

The rear wiper switch is located on the knob on the side of the wiper control lever. Press it to the O position to turn off the rear wiper. Here is some relevant information: 1. Wiper Function: The wiper is an important accessory installed on the windshield. Its function is to clear rain, snow, and dust from the windshield that obstruct the view. Therefore, it plays a crucial role in driving safety. If the wiper blade does not clean effectively, remove it, soak it in water, lightly sand it with fine sandpaper, then clean and reinstall it. 2. Precautions: When using the wiper to remove dust from the windshield on sunny days, always spray windshield washer fluid and avoid dry wiping. For other stubborn or hard contaminants on the glass, clean them manually. These substances can easily damage the wiper blade, causing it to clean poorly. In severe cases, the wiper motor may also be affected.
13
1
Share

How often should the clutch fluid be changed?

Clutch fluid generally needs to be replaced every two years or 30,000 kilometers. During the replacement process, air must be bled from the system, and clutch fluid shares the same type as brake fluid. Below is relevant information: 1. Types of clutch fluid: There are roughly three types—castor oil-alcohol based, synthetic, and mineral oil based. 2. Principle of clutch fluid: It utilizes hydraulic pressure to achieve clutch disengagement. 3. Function of the clutch: It ensures the engine crankshaft and transmission can engage or disengage power output as needed for driving, enabling smooth vehicle starts, facilitating gear shifts, and preventing transmission system overload.
2
0
Share

What is a Car Blind Spot?

So-called car blind spots refer to those areas that the driver cannot directly observe from the normal driving seat position due to obstruction by the vehicle body. In short, the areas that the driver cannot see while sitting in the driving seat are called car blind spots. 1. Classification of car blind spots: Typically, blind spots are divided into interior blind spots and exterior blind spots. 2. What are interior blind spots: Some interior blind spots are formed by the vehicle's structure, while others are caused by human factors. 3. What are exterior blind spots: Exterior blind spots are caused by fixed or moving objects and lighting issues, with different vehicle models encountering blind spots of varying sizes.
6
0
Share

Where is the Magotan Fuel Filter Located?

The fuel filter of the Volkswagen Magotan is installed under the fuel tank at the bottom of the car. Below is the relevant information: 1. Function: The fuel filter removes impurities from the fuel, preventing them from entering the injection valve and cold start valve. The fuel filter is a crucial component of the fuel injection system. Only OEM or higher-quality fuel filters can provide the clean fuel required by the fuel injection system, thereby optimizing engine performance and offering the best protection for the engine. 2. Principle: The fuel filter removes water from the gasoline. When the engine is running, fuel flows through the inlet pipe into the sediment bowl of the filter under the action of the fuel pump. Due to the increased volume and reduced flow velocity, heavier water and impurity particles settle at the bottom of the bowl, while lighter impurities flow with the fuel toward the filter element. Clean fuel permeates through the micropores of the filter element and then exits via the fuel pipe.
14
3
Share

Has the Biannual Inspection for Passenger Cars Been Canceled?

Motor vehicles still require biannual inspections. Below are the relevant details regarding vehicle annual inspections: 1. Timeframe: For passenger cars and blue-license-plate minivans, the first six years after new vehicle registration require biennial inspections; after six years, annual inspections are required; after fifteen years, biannual inspections are mandated. For trucks, annual inspections are required after registration, and after ten years, biannual inspections apply. 2. Legal Basis: "Road Traffic Safety Law of the People's Republic of China" and "Implementation Regulations of the Road Traffic Safety Law of the People's Republic of China". 3. Initial Inspection Content: The initial inspection verifies whether the motor vehicle meets the conditions for license plate issuance. The inspection includes: (1) Checking for the vehicle's user manual, certificate of conformity (or import vehicle inspection certificate), and completeness of factory markings on the vehicle body. (2) Measuring the vehicle's internal and external dimensions, including wheelbase and track width. Specific measurements include vehicle length, width, height, cargo compartment height and area, track width, and wheelbase. (3) Conducting technical inspections item by item according to standards. Upon passing, the "Motor Vehicle Initial Inspection Alteration Registration Form" is filled out, including the manufacturer-specified curb weight, load capacity, passenger capacity, and driver's compartment seating capacity.
17
5
Share

What Does the Driving Test Subject 2 Include?

Currently, it includes reversing into a garage, parallel parking, stopping and starting on a slope, turning at a right angle, and driving on a curved path. In some regions, the Subject 2 test has been expanded to include nine items: narrow road U-turns, parking to retrieve a card, tunnel simulation driving, and emergency handling. Related information: 1. Retaking the Subject 2 test: If you fail the Subject 2 test on your first attempt, you are allowed one retake. If you do not attend the retake or fail it again, the test is terminated, and the applicant must reschedule the test after ten days. 2. Purpose of the Subject 2 test: To master the basic driving operation essentials, possess the ability to control the vehicle fundamentally, be proficient in basic methods of driving on the site and internal roads, have the capability to reasonably use vehicle control components and correctly control the vehicle's spatial position, and accurately control the vehicle's driving position, speed, and route.
16
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.