What Does It Mean to Use Engine Braking?

1 Answers
Morgan
07/29/25 11:42am
Using engine braking refers to lifting the throttle pedal without depressing the clutch, utilizing the compression resistance, internal friction, and intake/exhaust resistance generated by the engine's compression stroke to create a braking effect on the drive wheels. Below is a related introduction to engine braking: Principle of Engine Braking: Engine braking, which means keeping the gear engaged without applying throttle, results in the engine providing no traction to the vehicle. Instead, the rotation of the wheels drives the transmission system, and the idling engine generates a counteracting resistance force on the vehicle. The higher the gear, the less effect the engine has on the vehicle, and vice versa. This differs from clutch braking, brake pedal braking, parking braking, etc. Advantages of Engine Braking: Due to the differential's function, the braking torque can be evenly distributed between the left and right wheels, reducing the likelihood of skidding or fishtailing. It effectively decreases the frequency of using foot brakes, avoiding prolonged brake use that could lead to overheating of the brake friction pads, resulting in reduced braking efficiency or even failure. The vehicle speed is always limited within a certain range, facilitating timely deceleration or stopping, ensuring driving safety.
Was this review help?
16
1
Share
More Forum Discussions

What is the identification mark for fully synthetic engine oil?

Fully synthetic engine oil does not have a specific identification mark. If it is fully synthetic, the bottle will be directly labeled with the words "Fully Synthetic". If it only says "Synthetic", "Advanced Synthetic", it is definitely semi-synthetic. If it is labeled as "Premium Oil" or "XXX Special Premium", it must be mineral oil. Below are detailed explanations about the benefits of using fully synthetic engine oil: Low evaporation loss: Synthetic oil is generally a pure compound with a narrow boiling point range, and its evaporation loss is much lower than that of mineral oil, which can reduce fuel consumption, decrease exhaust emissions, and extend the service life of catalytic converters. In addition, compared to traditional mineral oil-based engine oils, synthetic oils also have excellent chemical stability, good radiation resistance, high oil film strength, and low foaming characteristics. Therefore, high-end vehicles generally choose synthetic oil. Strong high-temperature oxidation resistance: The thermal oxidation stability of synthetic oil is far superior to that of mineral oil-based engine oils, meaning it has a lower tendency to produce acidic substances and sludge due to oxidation. Under various harsh operating conditions, it can provide appropriate lubrication and effective protection for the engine, thus having a longer service life and ensuring the performance stability of the oil over long-term use. In the same working environment, synthetic oil lasts much longer than mineral oil, so although the cost is higher, when compared to the number of oil changes required, it is not significantly more expensive than mineral oil.
7
1
Share

Which car brand has a horse logo?

There are four car brands with a horse logo, namely Ferrari, Ford Mustang, Porsche, and Baojun. Here is the relevant information: Ferrari logo: The most classic horse logo belongs to Ferrari. The prototype of the Ferrari logo is actually a heroic horse. As a renowned luxury car brand, the exquisite Ferrari logo embodies a sense of wildness and speed that leaps off the page, making it very vivid. Ford Mustang logo: The Ford Mustang is a coupe brand under Ford, with a history spanning many years. Although not a million-dollar luxury car, it is still a high-end coupe. The Ford Mustang logo features a galloping mustang, appearing very agile and dynamic, evoking an urge to race. Porsche logo: Porsche is a world-famous luxury sports car brand. The Porsche logo also includes a horse in the center, which is a famous local steed. The design of this logo is more noble and elegant, yet still very refined. Baojun logo: 'Jun' means horse. Therefore, the Baojun logo is not a donkey but a horse.
17
4
Share

Why was the Aveo discontinued?

The main reason for the discontinuation of the Aveo is the severe market overlap between the 1.6L sedan version and the 1.6L Cruze. They share the same engine and transmission, with only differences in the chassis and body. Additionally, the 1.4L base trim sedan was discontinued because the Aveo was positioned as a premium compact car, and the 1.4L base trim was too similar to the Sail, causing market overlap and affecting the Aveo's positioning. As a result, the Aveo had to be discontinued. Here is more related information: About the Aveo: The Aveo performed quite well overall. Built on a new General Motors compact car platform, it offered excellent safety features among its peers in the joint-venture brand segment. The 1.4L engine was sufficient for urban commuting needs. However, for a discontinued model, maintenance and repairs might be relatively troublesome in the long run. If you don't mind the potential maintenance issues, the Aveo is still a worthwhile car to consider. As the most distinctive model under Shanghai GM Chevrolet, the Aveo never achieved the same market success as the Sail or Cruze. Later, with the introduction of more competitive models like the Fit and Vios, the Aveo's low popularity gradually faded from public view. Features of the Aveo: The Aveo's standout feature is its balanced combination of comfort and handling, which is rare among small cars. This versatility allowed it to switch positioning flexibly—competing with the Fiesta in handling while rivaling the Vios in comfort. Although it may not have been the best in any single aspect, its all-around capabilities made it a decent choice for family use.
15
5
Share

What Causes Abnormal Noises in the Engine Compartment After the Vehicle Shuts Down?

There are several reasons for abnormal noises in the engine compartment after the vehicle shuts down: Cold Start Noise: When the car has been parked for a long time, the engine oil flows back to the oil pan. During a cold start, the oil pump cannot immediately build up oil pressure, especially in the upper part of the engine. As a result, the valves do not receive sufficient lubrication, and the hydraulic lifters and mechanical rocker arms fail to operate properly, leading to abnormal noises. Inappropriate Engine Oil: If the engine oil viscosity is too high, it can cause insufficient lubrication during engine operation, resulting in friction and abnormal noises. Many car owners experience this issue after changing to a different type of oil during maintenance. Incorrect Belt Tension: If the belt tension is insufficient, it can produce a sharp squeaking noise, which sounds particularly unpleasant.
7
2
Share

What to Do When a Rat Gets into the Engine Compartment?

If you find a rat has entered the engine compartment, follow these steps to resolve the issue: 1. Remove odors from the engine compartment: Rat urine is not only pungent and unpleasant, but other rats may follow the scent and re-enter the engine compartment next time. Consider spraying perfume or taking the car to a detailing shop for cleaning. 2. Inspect internal components: Check for any damage to parts in the engine compartment, especially wiring, hoses, belts, and other critical areas. If any issues are found, repair or replace them promptly. 3. Change parking location: Avoid parking in areas where rats are frequently seen, and regularly open the hood to inspect the engine and other components.
9
5
Share

Can a car purchased locally be registered in another location?

It is possible to register a car purchased locally in another location. According to the latest relevant policies and regulations in China, as long as the vehicle has proper invoices, certificates, purchase tax, and compulsory insurance, any new car purchased from a legitimate auto market in the country can be registered by completing the settlement procedures in the household registration area. The process for registering a locally purchased car in another location is as follows: First, the car must be driven back to the local area, and then the vehicle purchase tax must be paid at the local tax bureau. The vehicle purchase tax must be paid locally before proceeding to the vehicle management office for the registration steps. With the tax payment certificate, you can then go to the local vehicle management office for inspection, license plate selection, and processing of the vehicle license and other procedures. Precautions for purchasing a car in another location are as follows: The price of purchasing a car in another location may not necessarily be cheaper, and you should calculate whether the cost of traveling to and from the other location is worth it. Loans for purchasing a car in another location are allowed, but there may be some difficulties in practice. After purchasing a car in another location, in addition to having all the necessary receipts, it is crucial to check whether there is a national unified formal invoice and vehicle qualification certificate. Without these two documents, the car cannot be registered normally when driven back, which can cause significant trouble for the owner. Therefore, it is essential to ensure all receipts and documents are properly prepared.
4
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.