Browse

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Pet Supplies Sporting Goods Ticket Toys Games Transportation Others

Used Cars New Cars Others

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

Why does the car body shake severely when the fan is running?

1 Answers

Allie

07/29/25 10:28am

Severe shaking of the car body when the fan is running may be caused by a malfunction in the cooling fan system. Below is relevant information about the cooling fan: Introduction: The cooling fan is a crucial component of the vehicle's cooling system. The performance of the fan directly affects the engine's heat dissipation efficiency, which in turn impacts the engine's performance. If the fan is improperly selected, it can lead to insufficient or excessive engine cooling, resulting in a deteriorated working environment for the engine and affecting its performance and lifespan. Matching and Optimization of the Cooling Fan: When the fan operates stably in the cooling system, the static pressure equals the resistance of the cooling system, and the flow rate at this point is the matching flow rate between the fan and the cooling system. To study the matching of the fan with the cooling system, it is first necessary to determine the matching flow rate between the fan and the cooling system, then assess whether the cooling capacity meets the requirements of the cooling system at this flow rate, and finally select the fan with the lowest power consumption from those that meet the requirements.

Was this review help?

6

4

Share

More Forum Discussions

What is the minimum tread depth required for the steering wheels of trucks?

The tread depth of the steering wheels of trucks should be no less than 3.2 millimeters. Here is some additional information: 1. National standards: According to national standards, the wear limit for radial tires used in passenger cars is 1.6mm, while for trucks and buses, it is 2.0mm. Therefore, when the tread of a passenger car wears down to 1.6mm, it must be replaced, and for trucks and buses, the tires must be replaced when the tread depth reaches 2.0mm. 2. Precautions: In addition to paying attention to the wear of the tire tread, tire pressure is also an important indicator. Both excessively high and low tire pressure can affect the lifespan of the tires and pose safety hazards. For example, driving with excessively high tire pressure under high temperature and high-speed conditions can increase the risk of tire blowouts.

What Causes Idle Vibration When the Air Conditioner is On?

The main reason for idle vibration when the air conditioner is on is excessive compressor pressure. Below are the relevant explanations: 1. Throttle valve blockage: Generally, a car's idle speed is maintained at around 800 RPM. When the air conditioner is turned on, the idle speed should normally increase accordingly, usually staying above 1000 RPM to avoid idle vibration. If the idle speed vibrates when the air conditioner is on, cleaning the throttle valve and re-matching it may help. 2. Ignition coil breakdown: If the idle speed vibrates when the air conditioner is on, it indicates a fault in the ignition coil, spark plug, or cylinder wire, usually caused by the ignition coil being broken down. 3. Excessive compressor pressure: If the air conditioner pressure is too high, it increases the engine load, causing vibration. Poor condenser heat dissipation or excessive refrigerant may lead to excessive pressure, indirectly causing vibration.

What is the use of the car off button?

The function of the car off button is: off is the switch button to turn off the vehicle stability system. When the car is powered on, the vehicle stability system is turned on by default. After long pressing this switch button, the vehicle stability system can be turned off. The vehicle stability system used in cars is a type of active safety device. During the driving process, if the vehicle stability system is shown as turned off on the car dashboard, it is likely that the vehicle stability system has malfunctioned. The working principle of the vehicle stability control system is: when the car is making a quick turn, dodging, or avoiding suddenly appearing cars or animals, and understeering causes the car to slide outward or oversteering causes the car to cross the center line of the road or even spin in place, the computer controls the engine output or any wheel brake to eliminate the phenomenon of understeering or oversteering, improving the dynamic stability of the car.

Should You Press the Clutch When Shifting Gears While Driving?

When shifting gears while driving, it is necessary to press the clutch, especially for car transmissions equipped with synchronizers. Without pressing the clutch, gear shifting becomes very difficult. Fully depressing the clutch during gear shifting completely disengages the engine from the transmission gears, allowing the gear lever to change the gear set before re-engaging. If the clutch is not fully depressed during the shifting process, there will be a significant speed difference between the shifting gear set and the transmission system gear set, preventing smooth meshing and potentially causing damage to the transmission. The clutch is located within the flywheel housing between the engine and the transmission. The clutch assembly is secured to the rear plane of the flywheel with screws, and the output shaft of the clutch serves as the input shaft of the transmission. Typically, the clutch is installed together with the engine crankshaft's flywheel assembly, acting as the component that cuts off and transmits power between the engine and the vehicle's transmission system.

Can I get my driver's license replacement on the same day?

You can get your driver's license replacement on the same day if all required materials are complete. Below is the relevant information: 1. Introduction: The full name of a driver's license is the motor vehicle driving license, also known as a "driver's permit." It is a certificate required by law for individuals who operate motor vehicles. Driving a motor vehicle requires certain driving skills, and those lacking such skills may cause traffic accidents if they drive recklessly. Generally, individuals cannot drive on the road without a license. However, for those who have mastered safe driving techniques, the document that permits them to drive on the road is the "driver's license." This indicates that a driver's license is a "permit." 2. Required Materials: Motor vehicle driver's license application form; Original and photocopy of the applicant's valid identity proof; Two recent one-inch, white-background, color photos without a hat.

Where is the coolant filling location for BMW cars?

BMW cars have their coolant filling location on the far left side of the engine compartment, where there is a dedicated coolant reservoir for storing coolant. Simply open it to add coolant. Do not open the cooling system when the engine is running at high temperatures, as this may cause burns from ejected coolant. Only use the appropriate coolant, otherwise it may damage the engine. Coolant is composed of water and coolant additives. The full name of coolant should be antifreeze coolant, meaning it has antifreeze properties. Coolant prevents the freezing of the liquid in cold winter conditions, which could otherwise cause the radiator to crack or damage the engine block or cylinder head due to expansion. BMW is a German luxury car brand headquartered in Munich, Bavaria, Germany. BMW's vehicle lineup includes the i, X, Z, and pure numeric series (1, 2, 3, 4, 5, 6, 7, 8), as well as the M series, which is an enhanced version based on these models.

Trending Ranking

Is it recommended to turn on the car air conditioner's auto mode?

What to Do When the Trunk of an Audi A4 Won't Open?

Why Does the Inside of a Car's Windshield Frost Over?

What is the long-range mileage of Tesla Model 3?

How to Set Up a Solar-Powered Tire Pressure Monitoring Display?

How to Replace the Battery in a Lexus Car Key?

How many points will be deducted for modified wheel hubs by traffic police?

Can a Tampered Car Odometer Be Detected?

How many points are deducted for not meeting vehicles as required when driving a motor vehicle?

Can BMW Antifreeze Be Used Without Diluting with Water?

More Forum Discussions

What Causes a Vehicle to Stall While Driving?

What is the minimum ground clearance of the Touran L?

Where is the Air Filter of the Trumpchi GS8 Located?

What are the advantages and disadvantages of paint protection film?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.