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What are the reasons for turbocharger failure?

2 Answers
Gandalf
07/29/25 2:07am
The reasons for turbocharger failure are as follows: 1. Using unqualified engine oil. Engines with turbochargers must use high-quality synthetic oil. Using unqualified oil can lead to carbon deposits and sludge, which may severely clog the oil passages, resulting in poor lubrication of the turbocharger. 2. Using oil containing impurities can cause serious damage to the turbocharger. When the oil filter is clogged, the bypass valve opens, allowing unfiltered oil to circulate. Oil with impurities causes much more severe wear and damage to the turbocharger bearings compared to engine bearings, as the turbocharger operates at much higher speeds than the engine. 3. Delayed maintenance leading to oil oxidation and deterioration. After prolonged use, various oil additives degrade, causing oxidation and deterioration, which damages the oil lubricating film.
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VanJessica
08/12/25 6:06am
My old car's turbocharger failed several times before, and I finally discovered the main reason was insufficient maintenance. Not changing the oil on time led to sludge clogging the bearings, causing the turbo to seize. Another time, a torn air filter went unnoticed, and road debris got sucked in, damaging the blades. High temperatures were also a risk—during summer traffic jams, the cooling fan couldn't keep up, leading to metal deformation in the turbo. The mechanic mentioned many drivers love aggressive acceleration, flooring it right after startup when cold oil lubrication can't keep pace, increasing wear. Later, I switched to full synthetic oil changes every 5,000 km and regular carbon cleaning—no issues for five years. Turbos are precision components; diligent maintenance is key.
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Is the Driver's License Renewal Date the Same as the Issuance Date?

There is no renewal date on the driver's license, only the initial issuance date and the valid use date after renewal. Driver's License Validity Period: Article 56 of the "Regulations on the Application and Use of Motor Vehicle Driver's Licenses": If a motor vehicle driver has not accumulated 12 penalty points in any scoring cycle during the six-year validity period of the motor vehicle driver's license, the license shall be renewed with a ten-year validity period; if the driver has not accumulated 12 penalty points in any scoring cycle during the ten-year validity period of the motor vehicle driver's license, the license shall be renewed with a long-term validity period. How Long After Expiration Does a Driver's License Become Invalid: Time Regulations: If the license has been expired for less than one year, it can be renewed normally; if it has been expired for more than one year but less than three years, the license will be canceled, but it can be renewed by passing the subject one exam; if it has been expired for more than three years, the license will become invalid and cannot be renewed.
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Can I pass the driver's license renewal physical examination with color weakness?

Driver's license renewal with color weakness is possible as long as it is not red-green color blindness. Generally, if the color weakness is mild and you can distinguish red and green, you can renew your license. However, if the color weakness is very severe, a hospital examination and evaluation will be required to determine whether you can continue to use your driver's license. Vision: For applying for large passenger vehicles, tractors, city buses, medium-sized passenger vehicles, large trucks, trolleybuses, or tram driving licenses, the naked or corrected vision of both eyes must reach 5.0 or above on the logarithmic visual acuity chart. For other driving license applications, the naked or corrected vision of both eyes must reach 4.9 or above on the logarithmic visual acuity chart. Color discrimination: Only color blindness, specifically red-green color blindness, disqualifies you from obtaining a driver's license; other types of color blindness do not. Renewal process: The motor vehicle driver should bring the required materials to the vehicle management office where the driver's license was originally issued to apply for renewal. The vehicle management office will process the renewal within one working day upon approval.
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Why does the car jerk when pressing the accelerator?

The reasons for body shaking when pressing the accelerator are as follows: 1. Half-shaft damage: Due to long-term torsional fatigue and impact forces, the car's half-shaft is prone to bending, twisting, breaking, or wear and tear on the spline teeth, which can cause rhythmic shaking in the front of the car. The shaking disappears or lessens when the accelerator is released. 2. Fuel system malfunction: The car's fuel system is relatively large and consists of many components. If any one of these components is abnormal or faulty, it can cause the car engine to shake during acceleration. 3. Spark plug malfunction: In the engine ignition system, the ignition high-voltage wires rarely have issues, so the main problems usually lie with the ignition coils and spark plugs. Since both are wear-prone parts, degraded spark plug performance or the use of inferior spark plugs can lead to weak acceleration and jerking during acceleration. 4. Fuel line issues: Fuel line problems are generally caused by blockages, leading to poor fuel supply, manifested as engine shaking, unstable idle speed, or stalling while driving. Additionally, fuel pump failure can also cause engine shaking. To diagnose fuel pump issues, disconnect the fuel line and check the flow rate and volume.
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What are the sounds of inner CV joint damage?

When the inner CV joint of a car is damaged, it will produce a clicking sound, and the symptoms are as follows: 1. The main symptom is the jamming of the steel balls, which will cause a clicking sound, but this must occur when changing direction. 2. Another scenario is the shattering of the steel balls, where the engine's power cannot be transmitted to the wheels, and the inner and outer CV joints slip. This is usually caused by the destruction of the CV joint boot and the lack of lubricating oil. 3. When the outer CV joint of a car is damaged, a clicking sound will occur when the car turns. Below are the functions of the CV joint in a car: (1) The function of the CV joint in a car is to connect the drive shaft to the wheels, making it a very crucial component in the car's transmission system. (2) It allows the driving force to be continuously transmitted to the wheels in any direction, especially when the wheels are bumpy, where its effect is most significant. (3) The inner CV joint connects to the transmission transfer case, while the outer CV joint connects to the wheels. Whether it's power output or when the car turns, generally, it is the outer CV joint that plays the main role.
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What is the difference between the internal circulation and external circulation of a vehicle?

Internal circulation means that the air inside the vehicle circulates when the car is closed, and the icon is a closed car with a circulating arrow inside; while external circulation means that the air outside the car flows into the car, and the icon is an unclosed car with an air arrow pointing into the car from the outside. The specific differences are as follows: 1. Internal circulation refers to the air inside the car being heated or cooled and then sent back into the car; external circulation refers to the air outside the car being heated or cooled and then sent into the car, which means gas exchange between the inside and outside of the car. 2. Generally, when turning on the air conditioning for cooling or heating, you can first turn on the internal circulation to quickly lower or raise the temperature inside the car. When the temperature stabilizes, appropriately switch to external circulation to exchange air with the outside. If the air quality outside the car is not good, such as in traffic jams with a lot of exhaust fumes or in underground parking lots with poor air, do not turn on the external circulation. If you are driving on the highway, do not open the car windows, just turn on the external circulation. When the air outside is good and you feel stuffy inside the car, quickly turn on the external circulation for ventilation; if you want to maintain the air inside the car, turn on the internal circulation.
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What is the fuel tank capacity of the 2017 Honda CR-V in liters?

The fuel tank capacity of the 2017 Honda CR-V 240TURBO Manual 2WD Classic is 57L. It is equipped with a 1.5L turbocharged engine and a 6-speed manual transmission (MT). The drivetrain is front-engine, front-wheel drive. The front suspension is a MacPherson independent suspension, and the rear suspension is a multi-link independent suspension. Among vehicles in the same class, the 2022 Tayron 280TSI 2WD Luxury Smart Connect Edition has a fuel tank capacity of 60L, while the 2021 RAV4 2.0L CVT 2WD Urban Edition has a fuel tank capacity of 55L. During actual refueling, the amount of fuel may exceed the marked capacity. This is because the fuel tank capacity specified by the manufacturer is measured from the bottom of the tank to the safety limit, and there is additional space from the safety limit to the tank opening. This space ensures that the fuel can expand when temperatures rise without overflowing. If fuel is filled up to the tank opening during refueling, the actual amount of fuel added may exceed the marked capacity. To check the remaining fuel level, drivers can observe the fuel gauge on the right side of the dashboard, which is marked with 'E' and 'F'. When the needle is close to 'E', it indicates low fuel, and when it is near 'F', it means the tank is full.
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