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What Are the Reasons for the Air Conditioning Not Cooling in New Energy Vehicles?

1 Answers
HaileyLynn
07/29/25 11:29pm
The reasons for the air conditioning not cooling in new energy vehicles could be insufficient or too little refrigerant, or minor refrigerant leakage. Additionally, excessive refrigerant can also cause the air conditioning to not cool properly. This is because the proportion of refrigerant in the air conditioning system must meet specific requirements. If the proportion is too high, it can affect heat dissipation. Similarly, if too much cooling oil is added during maintenance, the heat dissipation of the cooling system may decrease. 1. Insufficient or too little refrigerant solution: This can be observed from the sight glass on top of the dryer. During normal operation of the air conditioning, if there are continuous, slow bubbles in the sight glass, it indicates insufficient refrigerant. If obvious bubble flipping occurs, it means the refrigerant is severely insufficient. If the refrigerant is insufficient or too little, the solution is to add refrigerant. However, note that if adding from the low-pressure side, do not invert the refrigerant bottle; if adding from the high-pressure side, do not start the engine. 2. Excessive refrigerant solution: Observe from the sight glass on top of the dryer. If no bubbles are visible in the sight glass during the operation of the car air conditioning, and no bubbles appear after the compressor stops, it definitely indicates excessive refrigerant. If the pressurized cooling oil is excessive, relatively turbid bubbles can be seen in the sight glass during normal operation of the air conditioning system. Of course, if the refrigerant is indeed excessive, some can be slowly released from the maintenance port on the low-pressure side of the air conditioning system.
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Differences Between the All-New Bora 2019 and 2020 Models

Differences between the All-New Bora 2019 and 2020 models are as follows: 1. Exterior: The appearance differences between the 2019 and 2020 Bora models are minimal. The 2020 Bora continues with Volkswagen's family-style design, featuring a distinct front face with a continuous grille design and a full-width air intake. The headlights adopt an open-eye design, with the Comfort trim and above equipped with lens headlights, while the 2019 model lacks lenses across all trims. 2. Rear: The 2020 Volkswagen Bora has a clean rear design with smoked taillights and a dual-exit chrome exhaust pipe design. 3. Interior: The 2020 Volkswagen Bora's interior adopts the latest design language, featuring a three-spoke multifunction steering wheel, dual circular mechanical instrument clusters, an embedded center console touchscreen, and glossy material decorations on the right side. It also includes a sunroof and ambient lighting, enhancing the luxurious feel.
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Can You Still Drive When Volkswagen Shows Pressure Loss?

You can still drive when Volkswagen shows pressure loss. Here are the specific details about the pressure loss warning: 1. Driving precautions: After pressure loss is detected, a vehicle traveling at high speed should brake slowly and avoid emergency braking to prevent the risk of a tire blowout. Allow the vehicle to come to a gradual stop by the roadside, turn on the hazard warning lights, set up a warning sign behind the vehicle, and then inspect the condition of all four tires for punctures or leaks. Additionally, excessively low tire pressure can easily lead to severe pressure loss. When tire pressure is too low, the tire shoulders bear a heavier load, and prolonged driving in this state can cause permanent damage. Over time, the tires may age, crack, and leak, significantly reducing their lifespan. 2. Warning principle: Like the ABS system, tire pressure monitoring systems (TPMS) have gradually become standard equipment in vehicles. When the TPMS detects insufficient pressure in one or more tires, it will illuminate a warning light on the dashboard along with a text alert to notify the driver. At this point, the driver should promptly adjust the tire pressure to the standard value and reset the TPMS to clear the warning light.
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Where is the Wuling Rongguang's Cabin Air Filter Located?

The cabin air filter of the Wuling Rongguang is located behind the glove box on the front passenger side. Below are the detailed steps for replacing the car's cabin air filter: 1. Remove the right foot outer contact cover plate: Use a T20 screwdriver to unscrew the central screw of the cover plate, then push the upper and lower sides of the plate toward the front of the car with horizontal forward force. 2. Remove the cover plate below the steering wheel: The cover plate is made of black plastic and is located above the foot pedal and below the steering wheel shaft, with an irregular horizontal shape. There are two large round fasteners on the edge near the driver; rotating them 180 degrees will release them. Loosen the edges of this plate and remove it entirely. 3. Open the side cover of the cabin air filter: There is a screw in the center of the cabin air filter cover; use a T20 screwdriver to remove it. After removing the screw, gently pry up the small slot below the cover and pull outward to open the cover. 4. Replace the cabin air filter: Pull the old filter out horizontally. Note that the cabin air filter has a specific direction; do not install it backward.
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What is the fuel tank capacity of the Mazda6 in liters?

The fuel tank capacity of the Mazda6 is 64 liters, as officially announced. Owners who have purchased the Mazda6 can also check this information on the vehicle's configuration sheet. The Mazda6 requires 92-octane fuel, with a fuel consumption of 7.8 to 8.2L per 100 kilometers. A full tank can cover a distance of approximately 780 to 820 kilometers. During daily driving, it is essential to monitor the remaining fuel level in the tank. This is typically observed through the fuel gauge inside the vehicle. Under normal circumstances, the fuel level will be accurately reflected on the gauge. The fuel gauge usually has 5 to 6 segments, and it is advisable to refuel when only 2 segments remain to avoid running out of fuel mid-journey. During actual refueling, the amount of fuel added may exceed the marked capacity. This is because the manufacturer's specified tank capacity is measured from the bottom of the tank to the safety limit, with additional space from the safety limit to the tank opening. This extra 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 added may exceed the marked tank capacity.
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What is the relationship between Lexus and Toyota?

Lexus is a brand under the Japanese automaker Toyota. Whether it's the entry-level CT, the mid-level ES, the SUV models NX and RX series, or the high-end LS series priced at millions, none of the Lexus models can deny their Toyota origins. However, there are fundamental differences between Lexus and Toyota. Additional information: 1. It is common in the automotive industry to share engines and platforms, but a car consists of at least 7,000 parts. Even with the same engine, two completely different cars can be produced. The most typical example is actually Toyota and Lexus. Lexus is currently not produced domestically; every Lexus model is imported into the country, while most Toyota cars seen today are manufactured by FAW Toyota and GAC Toyota. This results in certain differences in parts, suppliers, production machinery, and manufacturing processes between Lexus and Toyota. 2. There is also the issue of production standards. Lexus has very stringent production standards in Japan, with high inspection criteria for every process, down to a button inside the car or a stitch on the seat, which are not the same as those in domestically produced Toyotas. In summary, Lexus belongs to Toyota but is by no means equivalent to Toyota; there is a world of difference between the two.
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What are the classifications of engine abnormal noises?

Classifications of engine abnormal noises: 1. Loose fasteners: Vibration during engine operation causes certain components to loosen, resulting in impact sounds. For example, abnormal noises caused by loose flywheel fixing bolts or loose connecting rod bolts; 2. Deformation or damage of individual components: Abnormal noises caused by deformation or damage of certain parts. For example, knocking sounds due to bent connecting rods, broken valve springs, or fractured crankshafts; 3. Improper assembly, adjustment, or repair: Abnormal noises caused by incorrect assembly, adjustment, or repair leading to improper component clearance. For example, noises due to overly tight piston pin assembly or improper valve clearance adjustment; 4. Excessive clearance: Natural wear of certain moving parts in the engine leads to increased clearance beyond the acceptable range, causing abnormal noises, such as knocking sounds between pistons and cylinder walls or impact sounds between connecting rod bearings and journals; 5. Poor lubrication: High-quality lubricating oil and appropriate pressure can create a good lubricating oil film. The thicker the oil film, the less mechanical impact, reducing the likelihood of abnormal noises. If the oil film is too thin, accelerated wear occurs, resulting in obvious and clear abnormal noises; 6. Abnormal combustion: In gasoline engines, ignition timing that is too early or too late causes detonation. In diesel engines, overly early fuel injection timing leads to premature and rough combustion, producing metallic knocking sounds.
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