···
Log in / Register

Which institutions can inspect used cars?

5Answers
Eric
09/06/2025

Professional used car inspection institutions are located in used car markets. In addition, there are ten national-level inspection institutions, namely: Supreme People's Procuratorate Forensic Center, Ministry of Public Security Material Evidence Identification Center, Beijing Public Security Judicial Identification Center, Shanghai Public Security Judicial Identification Center, Guangdong Public Security Judicial Identification Center, Beijing State Security Bureau Judicial Identification Center, Judicial Expertise Science and Technology Institute Judicial Identification Center, China University of Political Science and Law Forensic Science Institute, Sun Yat-sen University Forensic Identification Center, and Southwest University of Political Science and Law Judicial Identification Center. According to the national standard GB/T30323-2013 "Technical Specifications for Used Vehicle Appraisal and Evaluation", professional used car inspection institutions must obtain the national approval certificate for used vehicle appraisal institutions and a business license, while also meeting the following requirements: 1. Premises: The operating area should be no less than 200㎡. 2. Equipment: Must have vehicle lifting equipment; vehicle fault information reading equipment, vehicle structure size detection tools or equipment; must have vehicle appearance defect measurement tools, paint thickness detection equipment; must have lighting tools, cameras, screwdrivers, wrenches and other common operating tools. 3. Personnel: Must have at least 3 used car appraisal evaluators and at least 1 senior used car appraisal evaluator. 4. Others: Must have office facilities such as computers; must have fire protection facilities that comply with national regulations.

Was this review help?
1
1
Share
VanElaina
09/18/2025

As a seasoned driver who has owned several used cars, I strongly recommend getting a professional inspection from a certified used car inspection agency or brand-authorized 4S dealership when purchasing. When I bought my used Honda recently, I went straight to the 4S shop—they used diagnostic tools to thoroughly check engine data, chassis rust, accident marks, and service history, helping me avoid pitfalls. Though the cost was slightly higher, the peace of mind and detailed report were worth it. If you want to save money, third-party platforms like Guazi Inspection offer decent mobile services. The key is to avoid sketchy roadside shops—ending up with a flood-damaged or heavily repaired car would be a nightmare. My advice: book an appointment with a reputable facility in advance and prioritize safety above all.

Was this review help?
19
1
Share
Expand All
LukasMarie
11/01/2025

From a vehicle appraisal perspective, choosing an authoritative institution is essential when inspecting used cars, such as a 4S shop or specialized appraisal company. They utilize standardized tools to detect issues like chassis deformation, engine oil leaks, and odometer tampering. When I helped a friend purchase, we directly opted for a third-party service like Youxin Inspection—it's faster, provides easy-to-understand reports, and covers electrical systems. The key is verifying the VIN to prevent fraud; don’t be fooled by appearances. Opt for certified locations with transparent pricing to avoid hidden pitfalls. The inspection results directly impact negotiation leverage and peace of mind—paying for professional service is the safest approach.

Was this review help?
19
5
Share
Expand All
MacGrant
12/14/2025

As a young driver who just learned to drive, I find it easiest to rely on reliable apps or recommendations from friends for inspection services. Recently, I used the Guazi Used Car platform to schedule an at-home inspection for just a few dozen yuan. The technician checked the brakes, tire pressure, and accident history. Nearby car detailing centers also offer inspection services, which are affordable and convenient. The key is to pay attention to the details in the report, such as collision and repair records, and not to take the seller's word at face value. Try booking through major platforms—it saves time and is reliable.

Was this review help?
20
0
Share
Expand All
GiselleDella
02/04/2026

From the perspective of family daily car use, inspecting a used car requires going to a 4S dealership or a large repair shop, as they have complete equipment and conduct thorough checks. I would specifically request inspections on frequently used components like air conditioning cooling and braking systems to ensure safety. Platforms like Youxin Used Car are also good options, as they offer inspection services for peace of mind. Don’t skimp on costs, as this affects the safety of your family’s travel. Choosing a reputable place for inspection also allows for long-term consultation, helping you avoid pitfalls.

Was this review help?
9
3
Share
Expand All
More Q&A

What to do if the GL8 anti-theft lock prevents the engine from starting?

If the anti-theft system is locked and the engine won't start, it is likely that the vehicle is equipped with an engine electronic anti-theft system, also known as a chip-type anti-theft system. Its basic principle is to lock the car's engine, circuits, and fuel system, making it impossible to start the vehicle without the chip key. The anti-theft lock being stuck is a common issue with car anti-theft systems. The methods to deactivate the car anti-theft system are as follows: 1. Turn off the alarm: When the door lock is disabled, an alarm will sound. If this happens to your car, use the key to open the driver or passenger door, then wait for a few minutes, and the alarm will stop. Open the engine hood, locate the alarm, and turn it off. 2. Check the fuse: Generally, the fuse box is located under the steering wheel. Find the fuse box and remove the fuse belonging to the alarm. Before any of the above methods take effect, you can disconnect the battery. Alternatively, take the car to a repair shop and have a mechanic handle it, then reinsert the fuse without damaging the wiring.
11
3
Share

What to Do If Your Car Has a Flat Tire on the Road?

First, be sure to turn on the hazard lights and place a warning triangle behind the car (250 meters at night on highways, 150 meters during the day on highways, 50 meters during the day on regular roads, and 150 meters at night) to alert oncoming vehicles to take caution and avoid the area. At the same time, all passengers should exit the vehicle and move to a safe location to prevent secondary accidents. Then, call the highway rescue hotline at 12122, or you can replace the spare tire yourself and drive to the nearest repair shop. To prevent flat tires, the following measures should be taken: 1. Check tire pressure: Before setting off, carefully inspect the tire pressure for any abnormalities, check for damage on the tread, bulges on the sidewalls, and the extent of tire wear, among other tire-related conditions. 2. Avoid speeding and overloading: While driving, strictly avoid speeding and overloading to prevent tire blowouts caused by excessive tire load. 3. Prevent fatigue driving: For long-distance trips, avoid driving for extended periods without breaks. Take a short rest every 2-4 hours by pulling into a service area to prevent fatigue driving and overheating of the tires, which can lead to blowouts.
19
5
Share

What is the rubber hose on the engine called?

The rubber hose on a car engine is called the crankcase forced ventilation tube. The purpose of crankcase forced ventilation is to maintain pressure balance within the engine's crankcase, preventing damage to sealing components due to excessive or insufficient pressure. When the engine is idling or operating at low speed with light load, the crankcase experiences significant negative pressure. This condition can cause a large amount of engine oil to enter the intake system along with blow-by gases and participate in combustion, leading to oil burning and severely affecting engine performance and emissions. Therefore, forced ventilation of the crankcase is necessary. When pressure inside the crankcase increases, ventilation occurs through the exhaust valve or oil-gas separator, keeping crankcase pressure fluctuations within a reasonable range. Effects of crankcase forced ventilation tube leakage: It removes the minimal exhaust gases and mixture that leak into the crankcase to prevent oil deterioration; reduces crankcase temperature and decreases piston downward resistance; If the ventilation system becomes clogged, it will increase oil consumption and shorten the oil change interval; Increased oil temperature reduces lubrication performance, increases leakage, and decreases engine power and fuel economy; Increases piston movement resistance, leading to higher fuel consumption.
7
1
Share

What is the load capacity of a small SUV?

Generally, the load capacity of a family sedan ranges from 375 to 500 kg. Features of SUVs: SUVs are characterized by strong power, off-road capability, spacious comfort, and excellent cargo and passenger-carrying functions. Some also say that an SUV combines the refined comfort of a luxury sedan with the rugged nature of an off-road vehicle. SUVs are a hybrid offspring of sedans and off-road vehicles, offering greater advantages compared to their ancestors. SUV Models: World-class SUVs are represented by models such as the American Jeep Grand Cherokee, the British Land Rover Range Rover, and the German Mercedes-Benz G-Class, which have become symbols of the affluent class. In the luxury SUV segment, well-known models include the Cadillac XT5 and SRX, Audi Q series, BMW X series, Mercedes-Benz G, GLK, and ML series, Lexus GX, LX, and RX series, Porsche Cayenne, Volkswagen Touareg, Infiniti QX series, Acura MDX, ZDX, and RDX, Land Rover Range Rover and Freelander, among others. Domestic SUVs are renowned for their high cost-performance ratio, with models like the Song Pro, Roewe RX5, Haval H6, and Changan CS75 standing out as representatives of independent SUVs.
13
4
Share

Does the vehicle license have an expiration period?

The vehicle license is valid for a long term, but it still requires annual inspection. The inspection expiration date is marked on the supplementary page, which essentially indicates the deadline for the annual inspection. Therefore, the validity period of the vehicle license is also tied to the annual inspection. Different types of vehicles have different validity periods. Below is more relevant information: 1. Annual Inspection: Vehicles exempt from inspection for 6 years do not require on-site testing within the first 6 years, and annual inspection starts from the sixth year, with the vehicle license valid for 5 years; for vehicles older than 6 years, an annual inspection is required, and the vehicle license is valid for 1 year; for vehicles older than 15 years, two inspections per year are required, and the vehicle license is valid for half a year. 2. Vehicle License Cannot Expire: The vehicle license must not expire, as expiration indicates the vehicle has not undergone annual inspection, and uninspected vehicles are not allowed on the road. If driving an uninspected vehicle, once caught, the driver will face a penalty of 3 demerit points and a fine of 200 yuan. Therefore, the annual inspection must be completed before the inspection expiration date marked on the vehicle license. If the vehicle license has expired, the owner should bring relevant documents to the traffic police department within 30 days for processing and apply for re-inspection procedures.
14
4
Share

What causes the leakage of air conditioning water in the front passenger side of a Xiali N5?

The reasons for the leakage of air conditioning water in the front passenger side of a Xiali N5 are as follows: Quality issues with the drainage pipe: Some drainage pipes are of poor quality, prone to aging and loosening, causing the pipe to bend and resulting in poor drainage. Improper installation of the air conditioner: If the air conditioner is not installed securely, it may shift over time, causing the position of the drainage pipe to change and leading to drainage difficulties. Condensation on the pipes. If the insulation material on the pipes is of poor quality or too thin, condensation is likely to occur when the refrigerant passes through. Issues with the heat exchanger: Dirty or damaged filters that are not cleaned or replaced in time can cause the evaporator to deform, preventing water from dripping into the tray properly. Insufficient Freon in the air conditioning system can cause the indoor unit's evaporator to freeze, preventing water droplets from dripping into the water collection tray. Poor material quality or improper internal design of the air conditioner can prevent water from flowing into the tray, causing it to drip down the plastic casing instead.
5
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.