How to Apply for the Subject 4 Exam in a Different Location?

Where is the spark plug located in the Wuling Hongguang S?

The spark plug of the Wuling Hongguang S is located on the cylinder head side of the engine. The spark plug is a crucial component of the gasoline engine's ignition system. It introduces high-voltage electricity into the combustion chamber and causes it to jump across the electrode gap, generating a spark to ignite the combustible mixture in the cylinder. The spark plug, in conjunction with the ignition system and fuel supply system, enables the engine to perform work, and together they largely determine the engine's performance. The Wuling Hongguang S is a model launched by SAIC-GM-Wuling based on the Wuling Hongguang series, positioned between commercial vehicles and passenger cars. Its streamlined body design achieves a drag coefficient of just 0.36, which not only helps reduce fuel consumption but also effectively lowers noise during driving, thereby improving the comfort of the cabin.

19

2

Share

How to Quickly Start a Manual Transmission Car?

Methods for quickly starting a manual transmission car: 1. Ensure the clutch is lifted to the half-engagement point in one go, allowing the car to move forward without stalling; 2. Based on the first step, apply the throttle—the amount depends on the desired starting speed, but the RPM won't spike or cause gear dragging. Learn to use the clutch to control RPM; 3. Quick starts can be achieved as long as the gear is engaged. A manual transmission, also known as a manual gearbox, requires manually shifting the gear lever to change the gear engagement inside the transmission, altering the gear ratio to achieve speed changes. Working principle of manual transmission: By using the shift fork to change the gear ratio of the meshing gears, the driving torque is adjusted to suit different operating conditions.

17

3

Share

What are the symptoms of a broken transmission oil pump?

The symptoms of a broken transmission oil pump include: oil leakage, jerking, vibration, noise, water ingress, insufficient power, failure to start, weak starting, gear shifting impact, high fuel consumption, inability of the oil pump to generate pressure, slipping phenomena, etc. A broken oil pump can produce excessive iron powder, leading to blockage of the oil circuit plate. It is recommended that car owners address the issue promptly. The transmission has two oil pumps installed in one assembly, separated by a partition, working at the same speed as the engine. The main oil pump supplies oil to the entire system, while the return oil pump is only responsible for pumping the oil from the torque converter oil pan back to the transmission oil pan, without requiring pressure. The main oil pump has two oil circuits: one for lubrication, supplying oil to the friction plates and clutch plates of each gear in the transmission; the other for gear shifting, and it also helps to reduce oil temperature, mainly supplying the pressure regulation device.

12

2

Share

Is the T-Roc's dual-clutch transmission wet or dry?

The T-Roc's dual-clutch transmission is as follows: 1. The 1.4T front-wheel-drive models are equipped with a 7-speed dry dual-clutch transmission; 2. The 1.4T all-wheel-drive models are equipped with a 7-speed wet dual-clutch transmission; 3. The 1.2T models are paired with a 5-speed manual transmission. The T-Roc is FAW-Volkswagen's first SUV product, positioned as a compact model. The T-Roc's exterior adopts a stylish and aesthetic design, breaking away from Volkswagen's family-style design and fully utilizing the design elements of the overseas version. The front face of the new car features a T-shaped layout, with the headlights integrated into the front grille, complemented by circular LED daytime running lights on both sides, giving it a very fashionable overall appearance. The vehicle dimensions are 4318mm in length, 1819mm in width, and 1582mm in height, with a wheelbase of 2680mm.

8

4

Share

What causes fogging in Hyundai Elantra headlights?

Reasons for fogging in Hyundai Elantra headlights: 1. Poor sealing of the headlight dust cover, allowing moist air to enter and condense. You can open the dust cover to dry it and check if the lamp cover seal is intact; 2. Moisture entering through the headlight ventilation holes during humid weather. You can expose the headlights to sunlight to eliminate the fog; 3. If the headlight cover seal is damaged or the sealing strip has come off, causing water ingress and fogging, you need to visit a repair shop for maintenance or replacement. The Elantra features a sharp hexagonal front grille with chrome strip decorations, giving it an excellent texture. Additionally, the newly designed headlights and L-shaped fog light decorations give the car a youthful and stylish vibe. The Elantra is equipped with a new 1.4T engine paired with a dual-clutch transmission.

20

1

Share

What to Do When the Electric Power Steering System Warning Light Comes On?

If the electric power steering system warning light comes on, it may indicate a malfunction in the car's electric power steering system. You should find a safe place to park and wait for assistance. Nowadays, many car models use electric power steering. When the steering system warning light is on, it is unsafe to continue driving. There are three types of power steering systems in cars: electric power steering system, electro-hydraulic power steering system, and mechanical hydraulic power steering system. The electric power steering system provides steering assistance directly through an electric motor and does not have hydraulic components. The electro-hydraulic power steering system and mechanical hydraulic power steering system, however, include hydraulic components.

4

3

Share

How to Apply for the Subject 4 Exam in a Different Location?

Where is the spark plug located in the Wuling Hongguang S?

How to Quickly Start a Manual Transmission Car?

What are the symptoms of a broken transmission oil pump?

Is the T-Roc's dual-clutch transmission wet or dry?

What causes fogging in Hyundai Elantra headlights?

What to Do When the Electric Power Steering System Warning Light Comes On?

Can You Still Drive with a Faulty Fuel Injector?

What type of transmission does the Baojun 530 have?

How to Determine the Position of Left and Right Wheels

What to Do When the Tire Pressure Warning Light Comes On After Tire Repair?