What is the reason for no warm air in BMW 5 Series?

What Causes the Rattling Sound in a Scooter's Variator?

The reason is either worn-out variator rollers or improperly positioned rollers. In such cases, it should be disassembled for inspection. If the sound comes from the rear clutch, it is mostly due to uneven tension in the clutch shoes (usually accompanied by body vibration during acceleration). Below is more information about the variator: Structure: The transmission system has a belt connecting two discs. The outer disc is the fixed disc, while the inner disc is the variator (also called the movable disc, capable of axial movement). Variator Rollers: The variator rollers (also called movable rollers, capable of radial movement) are components inside the variator. There are six rollers, each installed in a sliding groove, and they are influenced by the engine's RPM. Impact on Gear Ratio: When the scooter accelerates, the engine RPM decreases. The variator rollers move radially toward the center, reducing the force with which the discs squeeze the belt. The belt moves toward the center of the disc, decreasing the diameter of the driving disc and increasing the diameter of the driven disc, thereby reducing the gear ratio.

5

3

Share

How to Turn on the Heater in Changan CS75?

Method to turn on the heater in Changan CS75: Turn on the fan speed switch, turn on the AC switch, and lower the temperature. To turn on the warm air, there is no need to turn on the AC switch, just raise the temperature. More information about Changan CS75 is as follows: 1. The Changan CS75 is positioned between the CS55 and CS95 as a compact SUV. It is equipped with the Blue-core series engines. In terms of power, the Changan CS75 offers two engine options: a 2.0L naturally aspirated engine with a maximum power output of 158 horsepower, and a 1.8L turbocharged engine with a maximum power output of 177 horsepower and a peak torque of 230N·m. These are paired with a 6-speed manual transmission and Aisin's new-generation 6-speed automatic transmission. 2. The Changan CS75 uses a large number of metal decorative parts, with different processes such as electroplating and spraying to present different textures, making every detail design feel exquisite and adding elegance to the CS75's rugged appearance.

3

5

Share

Where is the Fuse for the Car Display Screen Located?

Different vehicle models have different placement locations. Here is some relevant information about automotive fuses: Function: There are many electrical devices in a car's circuit connected by wires of different colors, among which the most important component is the fuse. The term 'fuse' is a conventional name, while the national standard refers to it as a circuit breaker. The function of a fuse is to protect the circuit (wiring) and electrical devices. Parameters: Fuses have two important parameters: one is the rated current, and the other is the rated voltage. When selecting a fuse, it is necessary to choose the corresponding specifications based on the current and voltage of the fuse. Classification: Automotive fuses are divided into high-current fuses and medium-low current fuses. Generally, medium-low current fuses are more common in vehicles. Medium-low current fuses are further classified into blade-type fuses, fork-bolt type fuses, screw-type fuses, and tubular fuses. Among these, the most commonly encountered are medium and small-sized fast-acting blade-type fuses.

17

0

Share

Can I make a U-turn at the double yellow dashed lines at the entrance of the residential area?

Under safe conditions and without obstructing traffic, you can make a left turn but not a U-turn. Definition of double yellow dashed lines: Double yellow dashed lines indicate reversible lanes. Reversible lanes are lanes where the direction of traffic changes at different times of the day based on varying traffic flow. Within cities, depending on the traffic conditions during peak hours, one or more lanes on suitable roads are designated to change direction according to different time periods. The direction of travel on these lanes is controlled by lane signal lights to adjust the number of lanes and improve lane usage efficiency. Driving requirements for double yellow dashed lines: Whether it's a single yellow line or double yellow lines, as long as they are solid lines, crossing is strictly prohibited, including actions like overtaking, turning, or making U-turns. Under normal driving conditions, you should not cross the line. Whether it's a single yellow line or double yellow lines, as long as they are dashed lines, you can overtake or make a U-turn safely. Single yellow lines are generally used on roads with up to four lanes (including bicycle lanes), while double yellow lines are typically used on wider roads.

12

4

Share

What Causes the Gearbox of a Scooter to Make Abnormal Noises or Whistling Sounds?

Scooter motorcycles producing sharp whistling sounds while running are generally caused by issues with the gearbox gears, bearings, or pulley. Inspect and confirm the specific component, then replace it. If it's a gear problem, sometimes it may be necessary to replace several related gears. Some common problems that scooters may encounter: Idle Speed Too Low: If the idle speed is too low, it can cause the air-fuel mixture to become too lean to ignite when the throttle is suddenly opened due to a sudden increase in air intake. In this case, the idle speed can be appropriately adjusted. Carburetor Fuel Supply Issues: For example, a clogged fuel filter or a damaged float chamber switch can cause poor fuel supply. When the throttle is opened, the fuel level in the carburetor float chamber drops, but the subsequent fuel supply cannot keep up. Choke Valve Switch Left Open: If the choke valve switch is opened before starting a cold engine and forgotten to be closed after the engine warms up, it can also cause engine problems when the throttle is opened.

20

1

Share

Which one is the driving record number on the driver's license?

The driving license file number is located on the duplicate copy of the driver's license, usually on the right side of the third line at the top of the supplementary page. The driving license file number is a unique number generated by the traffic police department to distinguish driver's licenses, which is equivalent to the driver's ID card. A person may have two driver's licenses with the same license number, but the file number is unique and will not be duplicated. Additional information: 1. Driving school registration time: Registering for a motor vehicle driver's license at a driving school takes about half an hour to complete, followed by waiting for the driving school's notification for a physical examination. After the physical examination, attend the study for the motor vehicle driver's license subject one, and take the exam after meeting the required study hours. Other subjects should also be completed in this order, and there is no need for repeated physical examinations within six months. 2. Time to obtain a motor vehicle driver's license: Under normal circumstances, the time to obtain a motor vehicle driver's license is about 45 days, with a maximum time limit not exceeding three years, starting from the completion of the motor vehicle driver's license subject one exam. Once the time limit is exceeded, the qualification for the driver's license exam will be canceled, and no further exams can be taken.

12

0

Share

What is the reason for no warm air in BMW 5 Series?

What Causes the Rattling Sound in a Scooter's Variator?

How to Turn on the Heater in Changan CS75?

Where is the Fuse for the Car Display Screen Located?

Can I make a U-turn at the double yellow dashed lines at the entrance of the residential area?

What Causes the Gearbox of a Scooter to Make Abnormal Noises or Whistling Sounds?

Which one is the driving record number on the driver's license?

What does the blind spot monitoring system mean?

Which Lane Should Beginners Use on the Highway?

Why does a car USB flash drive get hot?

What is the reason when the high beam doesn't work but the low beam is normal?