What to Do When the Air Conditioning Suddenly Loses Cooling While Driving?

1 Answers
VonMaria
07/29/25 10:29pm
The methods to handle sudden loss of cooling in the air conditioning while driving are: 1. Check if there is a lack of refrigerant; 2. Check if the compressor is working; 3. Check if the evaporator is dirty or blocked; 4. Check if the electric fan is operating normally; 5. Check if the temperature sensor is functioning properly; 6. Check if the air conditioning switch is working correctly. The reasons for the air conditioning not cooling are: 1. Too much dust on the condenser; 2. Damaged or malfunctioning compressor capacitor; 3. Leakage of air conditioning refrigerant; 4. The car's air conditioning belt is too loose; 5. Moisture has entered the refrigeration system. Precautions for using the air conditioning are: 1. Turn off the air conditioning during startup and sudden acceleration; 2. Do not set the air conditioning temperature too low; 3. Control the direction of the air vents; 4. Do not turn on the air conditioning immediately after exposure to the sun; 5. Turn off the air conditioning before shutting off the engine.
Was this review help?
4
4
Share
More Forum Discussions

Where is the engine number of the imported Audi Q7 located?

The engine number of the imported Audi Q7 is located at the junction between the engine and the transmission. The Audi Q7 comes with two powertrain options, equipped with a 2.0T engine and a 3.0T engine respectively. The 2.0T engine delivers a maximum power of 245 kW and a maximum torque of 440 Nm, while the 3.0T engine also produces a maximum power of 245 kW and a maximum torque of 440 Nm. In terms of exterior design, the front fascia of the Audi Q7 is very imposing, and the overall body design is boxy. The vehicle measures 5086 mm in length, 1983 mm in width, and 1737 mm in height, with a wheelbase of 3002 mm. The Audi Q7 is equipped with the quattro permanent all-wheel-drive system, ensuring excellent traction and lateral stability.
16
3
Share

Does an automatic transmission require oil?

An automatic transmission requires oil, and the transmission oil also needs to be replaced periodically. If the transmission oil is not changed for a long time, it will accelerate the wear of the gears inside the transmission and may even directly damage the shift control mechanism of the automatic transmission. There are three common types of automatic transmissions in cars: AT transmissions, dual-clutch transmissions, and CVT transmissions. The AT transmission consists of a torque converter, planetary gear transmission, and control mechanism, offering advantages such as easy operation, comfortable driving, and reduced driver fatigue. The dual-clutch transmission is developed based on manual transmissions, with a structure similar to manual transmissions, except it has an additional clutch and shift control mechanism. The CVT transmission is a continuously variable transmission without specific gears. It operates similarly to an automatic transmission, but the ratio changes are continuous, unlike the step-by-step shifting process of an automatic transmission, ensuring smooth and continuous power delivery.
5
5
Share

What does the 'evans' sticker on the rear of a car mean?

The 'evans' sticker on the rear of a car indicates that the vehicle uses Evans waterless coolant. Cars that use Evans waterless coolant typically have an 'evans' sticker on the back. Waterless coolant, also known as waterless cooling oil or automotive cooling oil, is a new type of automotive consumer product that eliminates common cooling system issues caused by traditional coolants, such as corrosion, scale formation, cavitation, and overheating, thereby extending the engine's lifespan. The main benefits of waterless coolant include: 1. Anti-corrosion; 2. No or extremely low pressure; 3. Increased power; 4. Faster acceleration; 5. Fuel savings; 6. High boiling point and low freezing point, preventing freezing expansion in low temperatures and overheating in high temperatures; 7. Thermal balance; 8. Reduced emissions; 9. Less maintenance.
1
2
Share

Can You Add Too Much Antifreeze?

Antifreeze should not be overfilled; it should be added in appropriate amounts based on the situation. During winter, when temperatures drop suddenly, if the concentration of antifreeze in the engine coolant is too low, the engine water may freeze, making it difficult to start the vehicle in the morning. Therefore, it is necessary to increase the concentration of antifreeze, keeping it at around 70%. If you normally add one bottle, you should now add two. Winter car antifreeze usage tips: 1. Mixed antifreeze must be replaced promptly; 2. Before driving, test whether the heater blows hot air, check for any unusual noises from the fan, and ensure the air ducts are clear. Winter car usage precautions: 1. Replace with winter-grade lubricating oil in time; 2. Regularly check the tires.
15
4
Share

What does BC mean on a car?

BC on a car is the button for selecting and viewing vehicle information. Here are some introductions about cars: 1. Body: The body is mounted on the frame of the chassis to accommodate the driver, passengers, or cargo. 2. Structure: The body structure includes the body shell (body-in-white), doors, windows, front sheet metal components, interior and exterior trim, body accessories, seats, as well as ventilation, heating, cooling, and air conditioning systems. For trucks and special vehicles, it also includes the cargo compartment and other equipment. 3. Doors: Installed on the body shell via hinges, the door structure is relatively complex and serves as an important component to ensure the performance of the body. These sheet metal components form the space that houses the engine, wheels, and other parts.
16
0
Share

How to start the Buick Verano?

Steps to start the Buick Verano: First, press the brake pedal, start the engine, shift into D gear, and release the brake pedal to begin moving. When starting, don't forget to release the handbrake. For automatic transmission models, before starting the engine, make sure the gear is in P position and the brake pedal is pressed. Many automatic transmission models cannot start the engine if the brake pedal is not pressed or the gear is not in P position. The Buick Verano is a mid-size sports sedan under SAIC-GM Buick, with dimensions of 4723mm in length, 1802mm in width, and 1466mm in height, and a wheelbase of 2700mm. In terms of appearance, the Buick Verano features a winged chrome grille, winged LED automatic sensing headlights, winged LED taillights, 17-inch ten-spoke two-tone aluminum alloy sports wheels, and a fastback roof.
10
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.