What is the solution for Honda Fit VTC abnormal noise?

What Causes the Flowing Water Sound When the Car Air Conditioner is On?

When the car air conditioner is on, the flowing water sound is produced by the refrigerant flowing and evaporating inside the compressor, which is a normal phenomenon. Below is an introduction to car air conditioning: 1. Definition: The car air conditioning device (air conditioning device), referred to as car air conditioning, is used to adjust and control the temperature, humidity, air cleanliness, and air flow inside the car cabin to the optimal state, providing a comfortable environment for passengers, reducing travel fatigue; it also creates good working conditions for the driver, playing an important role in ensuring safe driving. 2. Main components: Generally includes refrigeration devices, heating devices, and ventilation devices. This combined system makes full use of the limited space inside the car, featuring a simple structure and easy operation, making it a popular modern car air conditioning system internationally.

16

3

Share

Can Car Floor Mats Be Double-Layered?

It is not recommended to use double-layered car floor mats as it poses significant safety hazards. Below is relevant information about car floor mats: 1. Introduction: Car floor mats are an environmentally friendly automotive interior component that integrates five main functions - water absorption, dust collection, stain removal, sound insulation, and protection of the main carpet. As interior decorations, they help maintain cleanliness inside and outside the vehicle while adding aesthetic appeal and comfort. 2. Working Principle: By absorbing water, dust, and stains, car floor mats effectively prevent residual moisture and dirt from shoes from causing slippage between the clutch, brake, and accelerator pedals. This eliminates safety risks and reduces the likelihood of interior contamination or damage, especially since cleaning floor mats is more convenient and economical than cleaning the entire interior.

19

5

Share

What Causes the Loud Noise in BMW 5 Series Air Conditioning?

Here are the reasons for the loud noise in the BMW 5 Series air conditioning: 1. Refrigeration factors: The noise occurs immediately upon starting the air conditioning, which is clearly related to the refrigeration components. These mainly include the compressor, expansion valve, condenser, evaporator, and pipelines. Common causes include: worn compressor bearings; dirty air conditioning pipelines or condenser; defects in the evaporator's mechanical supercharger suction pipe. 2. Blower failure: The blower's label has fallen off into the air duct; worn blower bearings; a buzzing sound occurs when accelerating at low speeds with the air conditioning on. At low speeds, it indicates that the engine has weak power at this time, and turning on the air conditioning increases the engine load. Accelerating further demands higher power from the engine, resulting in a buzzing sound, which is mostly due to issues with the engine belt or tensioner pulley. After ruling out problems with air conditioning components such as the compressor, evaporator, blower, etc., it is advisable to directly check if the belt is aging.

16

4

Share

Is it okay for a car to crush a glass bottle with its tires?

Generally, it is okay for a car to crush a glass bottle with its tires, as car tires are made of high-quality materials. Below is some relevant information about tires: 1. Purchasing tips: When buying tires, pay attention to the speed rating, load index, production date, and size. If the tire's production date is three years ago, do not purchase it, as tires can deteriorate if unused. 2. Timely replacement: Replace tires every four years, even if the mileage driven is very low. Since tires are rubber products, they can age over time, and not replacing them for a long period can pose safety risks.

19

5

Share

Where is the auto start-stop button on the BMW 535?

The auto start-stop deactivation button on the BMW 535 is located below the engine start button. You need to manually press the 'A off' button to turn the auto start-stop function on or off. Here are the details: 1. Introduction: Auto start-stop refers to a function where the engine automatically shuts off when the vehicle is temporarily stopped (e.g., at traffic lights) and restarts when the car begins to move again. 2. Working Principle: The start-stop system works when the vehicle stops moving due to traffic congestion or at intersections. When the driver presses the brake pedal and shifts to neutral, the system automatically checks three conditions: the engine is idling without gear engagement, wheel speed sensors show zero rotation, and the battery has sufficient power for the next start. Typically, when these three conditions are met, the engine will automatically shut off.

13

4

Share

Should You Wait for Normal Idle Speed When Starting a Car?

It is recommended to wait for normal idle speed when starting a car. Here is some relevant information about car idle speed: 1. The function of car idle speed: Idle speed is an operating condition of a car, referring to the engine running in neutral gear. The engine speed during idle is called idle speed. The idle speed can be adjusted by modifying the throttle opening size, among other methods. Idle speed means the engine is "producing power without doing work." When the engine is running, if the accelerator pedal is completely released, the engine enters idle speed. 2. Causes of unstable idle speed: Direct causes refer to mechanical parts being dirty, worn, or incorrectly installed, leading to variations in individual cylinder power output, resulting in an imbalance in cylinder power and causing unstable idle speed. Indirect causes refer to abnormalities in the engine's electronic control system, leading to poor combustion of the air-fuel mixture, making it difficult to balance cylinder power and causing unstable idle speed.

16

2

Share

What is the solution for Honda Fit VTC abnormal noise?

What Causes the Flowing Water Sound When the Car Air Conditioner is On?

Can Car Floor Mats Be Double-Layered?

What Causes the Loud Noise in BMW 5 Series Air Conditioning?

Is it okay for a car to crush a glass bottle with its tires?

Where is the auto start-stop button on the BMW 535?

Should You Wait for Normal Idle Speed When Starting a Car?

How to Turn on the Fog Lights of Volkswagen Tiguan?

What is the function of the BMW option button?

What causes the yellow engine light to come on in a sedan?

Does the BMW X3 burn engine oil?