How to Remove the Steering Wheel of a Chery A3?

How Long Can You Drive After Adding Coolant?

You should not continue driving after adding coolant. A coolant warning indicates that the car's coolant is insufficient, or the radiator temperature may be too high. It is best not to continue driving at this point. If you keep driving, the engine temperature may rise further, potentially causing engine damage. Coolant prevents corrosion and scaling: Coolant does not cause corrosion to the engine cooling system and also has anti-corrosion and anti-rust functions. High-quality coolant is made with distilled water and contains anti-scaling additives, which not only prevent scaling but also help remove existing scale. Coolant prevents boiling: The boiling point of water is 100°C, while high-quality coolant typically has a boiling point of around 110°C. This helps prevent boiling during summer use.

8

1

Share

What is the mnemonic for multiple-choice questions in Subject 4?

Subject 4 multiple-choice question techniques are as follows: First look at the answer options: In multiple-choice questions, the options are often the key to answering. After reviewing the options, use these answers to examine the question. Keywords: Generally speaking, overly affirmative statements or statements without proper automotive etiquette are incorrect. Practice more questions: Subject 4 multiple-choice questions include text-based questions, image-based questions, and video-based questions. Before the exam, you can practice questions from the question bank on your phone for targeted simulation training. Error question training: When encountering wrong or difficult questions during practice, you can focus on practicing these error questions separately. This can help deepen understanding.

9

3

Share

What Causes High Water Temperature When Idling with AC On?

Here are the specific reasons for high engine water temperature when idling with AC on: 1. Insufficient coolant: Coolant leaks or low coolant levels can cause the engine water temperature to rise. In this case, check the coolant level and top it up if necessary. Recheck after a few days to see if the level drops significantly, and locate any leaks if present. 2. Cooling fan malfunction: When the vehicle runs at high RPM, heat cannot be effectively transferred to the antifreeze, impairing heat dissipation and causing the antifreeze temperature to rise, potentially leading to boiling. 3. Water pump failure: Water pump issues include seized bearings and damaged impellers. While seized bearings are rare, impeller damage—such as cracks or detachment from the pump shaft—can slow coolant circulation, often resulting in engine overheating. 4. Thermostat failure: The thermostat automatically adjusts the flow of coolant into the radiator based on temperature, regulating the cooling system's efficiency to maintain the engine within an optimal temperature range. A faulty thermostat may prevent the cooling system from entering a full circulation mode, leading to elevated water temperature.

18

4

Share

Should You Press the Accelerator When Downshifting in Subject 3?

No. Here are the precautions for the Subject 3 test: 1. Follow instructions during the test: The Subject 3 test includes up to 16 assessment items from the preparation before getting on the car to the end of the test. During the test, you should follow the voice prompts to perform operations. Roadside signs are only reminders; wait until the voice announcement is over before taking action. 2. Stay relaxed and look far ahead, don't be too nervous: In the straight-line driving test item, due to the faster speed, the direction is prone to deviation, so it's important to learn to look far ahead and avoid gripping the steering wheel too tightly. 3. Pay attention to road markings and reference points: Although the test is conducted on actual roads, there will be corresponding signs in the test area. Use these signs to determine your location and the test items. In the area for pulling over, there will be corresponding dots and lines on the road surface; operate based on these markings, not just by feel. 4. Match gears and speed: During the Subject 3 test, start in 1st gear, but do not drive at low speed in 1st gear for a long time. Be sure to change to the corresponding gear in time and adjust the speed. 5. Stay focused and observe carefully: Subject 3 places high demands on coordination. During the test, the student must be fully engaged and make good judgments.

4

3

Share

What Causes Power Loss and Resonance at Specific RPMs?

There are many potential causes for vehicle resonance. Issues with the engine, transmission, driveshaft, or wheels could all lead to body resonance. It may also be due to inaccurate driveshaft dynamic balancing or damage to the engine resonance module. For an accurate diagnosis, it is recommended to contact your local 4S dealership for inspection and repair. Modifying the cabin space: Opening the windows may actually reduce the humming noise, as this alters the interior volume and allows low-frequency noise to dissipate. Similarly, filling the cabin with items can also improve the situation. Promptly visit a 4S dealership for a comprehensive vehicle inspection: Adjusting engine resonance involves comprehensive issues with components, integration, and tuning. Vehicles experiencing this problem should be inspected and repaired as soon as possible.

5

4

Share

Should the car CAN box be upgraded?

The CAN bus in vehicles requires regular maintenance and upgrades to reduce malfunctions and ensure normal continuous operation. Symptoms of CAN bus failure: Audio system unable to play, frequent alarms from the anti-theft system after parking, abnormal operation of reverse radar, and loss of control over turn signals and headlights. CAN bus troubleshooting: Based on the above symptoms, first use the specialized fault diagnostic tool GTI for detection. It was found that all control units covered by the K-CAN data bus system except the instrument cluster could not be diagnosed, indicating the K-CAN was in a paralyzed state. After analysis, possible causes of this fault include: loss of power supply to all K-CAN covered control units; K-CAN bus short circuit; or damage to the instrument cluster.

12

2

Share

How to Remove the Steering Wheel of a Chery A3?

How Long Can You Drive After Adding Coolant?

What is the mnemonic for multiple-choice questions in Subject 4?

What Causes High Water Temperature When Idling with AC On?

Should You Press the Accelerator When Downshifting in Subject 3?

What Causes Power Loss and Resonance at Specific RPMs?

Should the car CAN box be upgraded?

What does '4WD with three differential locks' mean?

Is driving at 80 km/h in L gear harmful to the car?

What are the symptoms of a faulty power steering pump?

How to clean up water accumulation under the carpet of a Sylphy?