What are the reasons why the air conditioner sometimes does not cool?

2 Answers
EllianaMarie
07/28/25 8:31pm
There are three reasons why the air conditioner sometimes does not cool. The following are the related reasons: 1. Too much refrigerant causes insufficient cooling. 2. The presence of air in the system leads to insufficient cooling or poor refrigerant circulation. 3. Insufficient refrigerant causes a lack of cooling. Below are the related solutions for an air conditioner not cooling: 1. Add air conditioner refrigerant. 2. Check whether the pipes, air conditioning pump, condenser, and evaporator in the car's air conditioning system are damaged, leading to refrigerant leakage. 3. Check the compressor. 4. Clean or replace the air filter.
Was this review help?
20
0
Share
CeciliaRose
08/12/25 1:17am
I've been driving for many years, and occasionally the air conditioning suddenly stops cooling. That one summer when I took my family on a trip, the AC broke down—it was so frustrating! Later, when I had a mechanic check it, it turned out to be insufficient refrigerant, possibly due to a minor leak in the system. Also, a malfunctioning compressor clutch or poor electrical connections can lead to poor cooling performance. After that repair, I learned my lesson and now regularly inspect the AC system, clean dust blockages in the condenser, and avoid dirty filters affecting air intake. AC not cooling isn't just a comfort issue—it can also distract the driver and increase accident risks. I recommend that car owners facing similar issues first try lowering the temperature settings to see if it improves. If not, get it checked at a shop as soon as possible to avoid delaying trips like I did. In short, refrigerant leaks are a common root cause—start troubleshooting with the simplest checks to avoid major repair hassles.
Was this review help?
20
1
Share
Expand All
More Forum Discussions

What brand of engine oil is suitable for Kia K3?

For the Dongfeng Kia K3, it is recommended to use SM-grade 5W-30 or 5W-20 engine oil. Here are some tips for selecting engine oil: 1. Hand-rubbing method: Rub the lubricating oil repeatedly between your thumb and forefinger. Good lubricating oil should feel smooth, produce minimal residue, and have no friction. If you feel significant friction like sand particles between your fingers, it indicates the lubricating oil contains many impurities and should be replaced with new oil. 2. Light inspection method: Under sunlight, use a screwdriver to lift the lubricating oil at a 45-degree angle to the horizontal plane. Observe the oil droplets against the sunlight. If you can clearly see no residue in the lubricating oil, it is in good condition and can continue to be used. If there is excessive residue, the lubricating oil should be replaced. 3. Oil drop trace method: Take a clean white filter paper and drop a few drops of oil onto it. After the lubricating oil has seeped through, if there are black powders on the surface and a rough feeling when touched by hand, it means the lubricating oil contains many impurities. Good lubricating oil will have no powders, feel dry and smooth to the touch, and leave a yellow trace.
18
5
Share

What is the displacement of the Ford Raptor F150?

Ford Raptor F150 has a 3.5T displacement. Relevant introduction is as follows: 1. Appearance: The Ford F150 pickup XLT perfectly interprets American muscularity while looking more like a strong and aggressive fighter. Its oversized dimensions and simple lines outline a grand and imposing feeling. The Ford Raptor's style has always been about showcasing a tough, square, and rugged appearance. This, of course, includes the layout of the interior and internal space, with every detail emphasizing a square and robust feel. No delicate or flashy decorations can be seen on its body; instead, it features a massive body and rough lines. 2. Interior: The Ford F150 pickup XLT's interior adopts a unique dashboard and door trim panel paint, along with a leather-wrapped steering wheel. The central control function area can be divided into three small control zones: the top is for audio and navigation control, the middle for radio adjustment, and the bottom for air conditioning and seat heating control.
3
1
Share

Is the Grand Commander a four-wheel drive vehicle?

The Grand Commander offers four-wheel drive models. It has two types of drive systems: one is front-wheel drive, and the other is on-demand four-wheel drive. Below is an introduction to four-wheel drive: 1. The drive systems of vehicles are divided into three types: front-wheel drive, rear-wheel drive, and four-wheel drive. Four-wheel drive is further categorized into three types: on-demand four-wheel drive, part-time four-wheel drive, and full-time four-wheel drive. 2. Comparatively, on-demand four-wheel drive has the weakest off-road capability, as it is primarily designed for urban use. Therefore, some hardcore off-road vehicles are equipped with either part-time four-wheel drive or full-time four-wheel drive. Generally, only some urban SUVs are equipped with on-demand four-wheel drive.
9
1
Share

How Many Years Should a Private Car Be Driven Before It Needs to Be Replaced?

There are no specific regulations on how many years a private car should be driven before it needs to be replaced. It depends on the owner's financial condition and the car's usage. Since May 1, 2013, the elimination and scrapping of old vehicles have been implemented according to new regulations, which abolished the mandatory scrapping age for private cars but introduced a maximum mileage limit of 600,000 kilometers for compulsory scrapping. The regulations state: small and micro non-operational passenger vehicles, large non-operational cars, and wheeled special machinery vehicles have no usage age limit. Theoretically, private cars have no usage age limit, but in practice, there are the following restrictions: 1. For cars older than 15 years, if they fail to obtain a qualified inspection mark for three consecutive inspection cycles (one and a half years), they will be forcibly scrapped. Additionally, they require two annual inspections, and after 20 years, they require four annual inspections. 2. If the car fails to meet safety and emission standards. 3. If the mileage exceeds 600,000 kilometers. 4. After a certain period, the production of small cars will be discontinued, making spare parts difficult to obtain, and repair costs will significantly increase. Even before reaching the scrapping age, owners may choose to scrap the car.
18
0
Share

What Impact Does Starting Fluid Have on an Engine?

Short-term use of starting fluid will not affect the engine, but long-term use can lead to increased engine wear. Starting fluid is primarily composed of flammable and volatile alkanes, such as ether, which is sprayed into the intake tract. Due to its low flash point, it causes detonation, igniting the diesel fuel. The use of starting fluid makes diesel engines operate roughly, accelerates wear, and further deteriorates their performance. Over time, this can lead to difficulties in starting the diesel engine even in summer and an overall decline in engine performance. Here are some common tips for using starting fluid: 1. Before each use of starting fluid, the engine should be preheated appropriately using hot water or other methods to raise the temperature at startup. For trucks, the engine crankshaft should also be turned several times with a crank handle to allow the oil to reach all friction surfaces first. 2. Do not directly spray cold-starting fluid. Although this can start the engine, because the engine is cold, the temperature of its components is too low, and the oil viscosity is too high. Starting the engine hastily under such conditions can lead to poor lubrication and increased wear on engine parts. 3. While using the starter to crank the engine, spray 2-3ml of cold-starting fluid into the intake pipe or air filter. Do not use excessive amounts, especially avoid spraying excessive starting fluid directly into the combustion chamber, as this can cause detonation and severe damage to the engine.
18
4
Share

Is the 2.5L Engine in Toyota Camry Imported?

Toyota Camry 2.5L uses the engine model A25A/A25C, with a maximum horsepower of 209 HP, maximum power of 154 KW, maximum power speed of 6600 rpm, and peak torque of 250 Nm. The 2.5L engine in Toyota Camry is not imported; it is domestically produced by GAC Toyota. For the daily maintenance of the Toyota Camry 2.5L engine, the following methods can be used: Use lubricating oil of the appropriate quality grade. For gasoline engines, select SD--SF grade gasoline engine oil based on the additional devices of the intake and exhaust systems and usage conditions; for diesel engines, choose CB--CD grade diesel engine oil according to mechanical load, with the selection standard not lower than the manufacturer's requirements; Regularly change the oil and filter. The quality of any grade of lubricating oil will change during use. After a certain mileage, performance deteriorates, leading to various engine problems. To avoid malfunctions, change the oil regularly based on usage conditions and maintain an appropriate oil level; When oil passes through the fine holes of the filter, solid particles and viscous substances in the oil accumulate in the filter. If the filter is blocked and oil cannot pass through the filter element, it may rupture the filter element or open the safety valve, allowing oil to bypass through the bypass valve and carry contaminants back to the lubrication area, accelerating engine wear and increasing internal contamination; Regularly clean the crankcase. During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides in the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls, mixing with metal powder from component wear to form sludge. In small amounts, it suspends in the oil; in large amounts, it precipitates, clogging filters and oil passages, making engine lubrication difficult and causing wear; Regularly use radiator cleaner to clean the radiator. Removing rust and scale not only ensures the engine operates normally but also extends the overall lifespan of the radiator and engine.
1
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.