···
Log in / Register

Is it necessary to clean the car air conditioning system?

4 Answers
LeKira
07/30/25 2:08am
It is necessary to clean the car air conditioning system for the following reasons: 1. Dust and dirt accumulate at the air intake, air ducts, fans, and evaporator surfaces, leading to mold growth in the air conditioning ducts; 2. This results in reduced cooling capacity and noticeable unpleasant odors; 3. Prolonged exposure to a cabin filled with mold and odors can harm the health of the vehicle owner or cause illnesses. The car air conditioning system, short for the car air regulation device, is used to adjust and control the temperature, humidity, air cleanliness, and airflow inside the car cabin to an optimal state. Its functions are: 1. To provide a comfortable environment for passengers, reducing travel fatigue; 2. To create favorable working conditions for the driver, ensuring driving safety.
Was this review help?
15
3
Share
JadeLee
08/15/25 8:08am
Having driven for over 20 years, I genuinely believe that car air conditioning cleaning is particularly essential, especially for health reasons. After frequent use, the AC tends to accumulate dust and breed bacteria and mold, resulting in musty air blowing out. I've personally experienced passengers coughing or having allergies in the car, which is especially concerning when children are present. Cleaning thoroughly removes these contaminants, ensuring fresh and odor-free air inside the vehicle. The method is simple and cost-effective: purchase a professional AC cleaning spray, apply it through the air intake, let it break down the buildup, and then rinse. It's recommended to do this every six months to a year to prevent respiratory issues. Neglecting it leads to unpleasant odors that spread, affecting driving comfort. For optimal results, pair this maintenance with replacing the AC filter—overall upkeep makes driving much more reassuring.
Was this review help?
17
1
Share
Expand All
OAxel
10/21/25 4:28am
As a car enthusiast, I value the performance significance of AC system cleaning. Dirty evaporators can clog air ducts and reduce cooling efficiency, increasing engine load and fuel consumption. After regular DIY cleaning, I've noticed smoother cold air output, faster AC startup, energy savings, extended component lifespan, and avoided major repairs. The simple operation using spray cleaners takes just half an hour - cost-effective and efficient. Complementary maintenance like checking refrigerant pressure doubles the benefits. Persistent cleaning over years makes the AC system operate more stably.
Was this review help?
17
0
Share
Expand All
SophieRose
12/04/25 4:56am
From an economic perspective, I believe air conditioning cleaning is cost-effective. Spending a few dozen dollars can prevent odors or costly system failure repairs. Cleaning once reduces energy consumption, extends lifespan, and saves expenses. My routine preventive maintenance saves me a hundred times more money than repairing after breakdowns.
Was this review help?
4
2
Share
Expand All
More Forum Discussions

What is the wattage of the new Santana headlights?

The new Santana headlights are 75 watts. Lumen range of different material headlights: Generally, LED headlights produce 91 lumens per watt, so 35W would be 3200 lumens. Halogen headlights at 55W produce 1000 lumens, while xenon headlights at 35W produce 100 lumens. Lumen range of different headlights: High beams range from 35-60W with 3400-5900 lumens, low beams range from 35-55W with 3400-5400 lumens. Car headlights are generally 35W or 55W, with most using 35W, while a few 55W are installed on high beams.
9
2
Share

What is the reason for the non-rotation of Komatsu 56?

Komatsu 56's non-rotation may be due to a pilot pump failure. Fault inspection method: Use a pressure gauge to test at the pilot pump's pressure measurement port. If the pressure is between 35-45 kg, it is considered normal. Introduction to the pilot pump: A broken output shaft in the pilot pump can directly cause the excavator to have no movement at all, which shows how important the role of the pilot pump is. The excavator pilot pump pushes the main control valve block valve stem (distribution valve) through the pilot PPC valve (handle, foot pedal valve), directing the high-pressure oil output from the main pump to the designated working devices, such as the boom, arm, bucket, swing motor, and travel motor.
11
1
Share

What Causes the Metal Friction Sound from the Wheels?

Wheel metal friction sounds may be caused by the friction of the brake discs, indicating that the brake pads are worn too thin. It is recommended to visit an auto repair shop for replacement. This sound usually intensifies when braking and can be quite harsh. Considerations for selecting brake pads: Four key points: First, check the friction coefficient, which determines the basic braking torque of the brake pads. If it's too high, it can cause wheel lock-up, loss of control, and pad burning during braking; if too low, the braking distance becomes excessively long. Second, consider safety. Brake pads generate instant high temperatures during braking, especially during high-speed driving or emergency braking. At high temperatures, the friction coefficient of the pads decreases. Third, assess comfort, including braking feel, noise, dust, smoke, and odors, which directly reflect the friction performance. Fourth, evaluate lifespan. Typically, brake pads should last for about 30,000 kilometers. Two choices: First, always choose brake pads produced by reputable manufacturers. These should include a license number, specified friction coefficient, compliance standards, and the packaging should contain a certificate of conformity, production batch number, and production date. Second, opt for professional installation at a specialized repair point.
6
2
Share

What Causes Unstable Idle in BMW X5?

Unstable idle in BMW X5 is related to the throttle body and combustion chamber. Excessive carbon buildup in throttle body and mass air flow sensor: The throttle body and mass air flow sensor are prone to getting dirty. Most modern cars use electronic throttle bodies, and even a small amount of carbon buildup can affect them. Too much carbon in the throttle body can cause throttle sticking during acceleration, severe power loss, and unstable idle. A dirty mass air flow sensor leads to incorrect air flow signals. Since air intake determines fuel injection, this directly causes inaccurate fuel injection, resulting in increased fuel consumption and significant power loss. Therefore, changing the air filter is crucial, and don't forget to clean it every 30,000 kilometers. Excessive carbon buildup in combustion chamber and pistons: Too much carbon in the combustion chamber can absorb some gasoline, slightly prolonging the ignition time during startup. Additionally, excessive carbon buildup often forms on valves and piston rings, indirectly reducing cylinder pressure. This makes cold starts prone to unstable idle, while the issue improves when the engine is warm.
1
1
Share

Can You Shift Gears While Driving Straight?

During the straight-line driving section of the road test (Subject 3), you can shift gears, but you must ensure that the gear matches the vehicle speed. Below is relevant information about Subject 3 of the driving test: Introduction: Subject 3 includes the road driving skills test and the safety and civilized driving knowledge test. It is part of the motor vehicle driver's license assessment and is the abbreviation for the road driving skills and safety and civilized driving knowledge test in the motor vehicle driver's examination. The content of the road driving skills test varies depending on the type of vehicle being licensed. Specific test content for Subject 3: The road driving skills test generally includes: vehicle preparation, simulated lighting test, starting, straight-line driving, gear shifting operations, lane changing, pulling over, driving straight through intersections, turning left at intersections, turning right at intersections, crossing pedestrian crosswalks, passing school zones, passing bus stops, meeting vehicles, overtaking, making U-turns, and nighttime driving. The safety and civilized driving knowledge test generally includes: requirements for safe and civilized driving operations, safe driving knowledge under adverse weather and complex road conditions, emergency handling methods for situations such as tire blowouts, and post-accident handling knowledge.
3
3
Share

Can I take the Subject 4 exam without an ID card?

You cannot take the Subject 4 exam for a driver's license without an ID card. The exam requires verification of personal identity information for entry into systems such as the driver's license public security database, so an ID card is mandatory. If you don't have an ID card, you can first apply for a temporary ID card, which can be used to take the exam. The Subject 4 exam consists of 50 questions, presented in the form of case studies, images, animations, etc., with a full score of 100 and a passing score of 90. Subject 4, also known as the Subject 4 theory test or driver's theory test, is part of the motor vehicle driver's license assessment. After the implementation of the Ministry of Public Security's Order No. 123, the Subject 3 exam was divided into two parts: the road test and an additional safety and civility knowledge test, commonly referred to as "Subject 4," which evaluates "driving ethics." Since this test is conducted after Subject 3, it is commonly called the Subject 4 exam, although officially, there is no such term as Subject 4. If you fail the Subject 4 exam, you do not need to retake the previously passed exams (Subjects 1, 2, and 3). You can schedule a retake on your own, and no retake fee is required. There are no scheduling restrictions, but the validity period of the driving skills test permit is three years. If the applicant does not complete the exam within this period, the results of any previously passed subjects will become invalid.
5
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.