What is the MIIT fuel consumption of the Terra?

What are the causes of oil leakage in Mercedes-Benz engines?

Mercedes-Benz engine oil leakage is caused by: 1. Aging of rubber oil seals; 2. Overloaded transmission oil volume; 3. Damage to the vehicle chassis. An engine is a machine that can convert other forms of energy into mechanical energy, determining the car's power, fuel economy, stability, and environmental friendliness. An engine is a machine that can convert other forms of energy into mechanical energy, and it is divided into: 1. External combustion engine: fuel burns outside the engine; 2. Internal combustion engine: fuel burns inside the engine; 3. Gas turbine: uses the high pressure of gas to push the turbine blades to rotate; 4. Jet engine: an engine that directly generates reactive thrust by the high-speed airflow ejected from the nozzle.

2

1

Share

Can Mercedes-Benz Tires Be Repaired?

Mercedes-Benz run-flat tires can be repaired after being punctured by a nail, but the repair cost is much higher compared to regular tires. Additionally, after repairing a run-flat tire, the tire's safety performance has already decreased, and the likelihood of another blowout is significantly increased. Therefore, it is recommended to replace the tire instead. Situations that require tire replacement: 1. Check the tire wear indicators: Regardless of the tire brand, wear indicators are set in the tread grooves. When the tread depth has worn down to the same level as the raised indicator rubber, it means the tire needs to be replaced. 2. Bulging occurs: If the tread bulges, it indicates localized rubber deterioration or uneven pressure. At this point, the tire could explode at any time, making continued driving very dangerous, so it should be replaced immediately.

16

1

Share

What kind of engine oil should be used for the Yidong?

The original engine oil brands for the Yidong are Shell and Castrol. For later maintenance, you can choose brands such as Shell, Mobil, Castrol, and Total. The recommended engine oil specifications in the official Yidong manual are 0W-20 and 5W-30. Any engine oil model that meets these two specifications can be used. The viscosity of engine oil changes with temperature, so special attention should be paid to its performance under low and high temperatures. For example, in 5W-30, the first number indicates low-temperature fluidity, with 5W representing the ability to withstand temperatures as low as -30°C. The smaller this number, the better the low-temperature fluidity, making cold starts smoother. The latter number represents the kinematic viscosity of the oil at 100°C. A higher number means the oil can maintain its viscosity index better at high temperatures, which can also be understood as better lubrication performance under high-temperature conditions. The method for changing the engine oil in the Yidong is as follows: Wait for the engine temperature to drop, allowing the oil to flow back into the oil pan; Use a wrench to loosen the oil drain plug and place an oil pan underneath to catch the old oil until it stops flowing. Start the engine for about 30 seconds to allow the oil in the main oil passage to drain out; Use a specialized wrench to remove the oil filter; Apply some oil to the oil seal of the new oil filter and tighten it clockwise by hand; Add the new engine oil through the oil filler cap on the engine valve cover, typically filling up to three-quarters of the oil container; Start the engine and let it run for 5 minutes, checking for any leaks around the oil drain plug and oil filter. If leaks are found, they should be repaired; After turning off the engine, pull out the oil dipstick to check if the engine oil level is within the standard range.

12

2

Share

What Causes Steering Gear Abnormal Noise?

Steering gear abnormal noise can be caused by lack of lubrication in the dust cover, insufficient or contaminated power steering fluid, or a faulty power steering pump. Below are detailed explanations: Lack of Lubrication in the Dust Cover: When the dust cover lacks lubrication, it can cause friction noise. In this case, simply applying some grease to the dust cover will eliminate the abnormal noise. Insufficient or Contaminated Power Steering Fluid: Leakage of power steering fluid leading to insufficient oil level, low oil pressure, or excessive contamination can cause lack of lubrication in the steering gear components, resulting in friction noise. It is necessary to check the power steering fluid and replace it if needed. Faulty Power Steering Pump: A faulty power steering pump can produce abnormal noise due to pressure leakage.

20

1

Share

What is the situation with the clicking noise in the Buick Excelle engine?

Buick Excelle engine abnormal noise reasons: The main sources of sound during engine operation are combustion explosions, exhaust notes, intake resonance, and moving parts. Any noise beyond these is considered abnormal. Additional information is as follows: Engine abnormal noise: Indicates that the technical state of a certain engine mechanism has changed. This is mainly caused by excessive wear of some parts or improper assembly and adjustment. Some abnormal noises can even predict potential catastrophic damage to the engine. Therefore, when abnormal noise occurs in the engine, it should be repaired promptly to prevent the fault from escalating. If it is simply excessive noise, noise reduction measures can be taken, such as using higher-quality engine oil, installing intake ducts with sound insulation, wrapping the exhaust and cylinder head with soundproofing materials, or the simplest method—adding sound insulation to the engine cover.

9

4

Share

What Causes the Noise in Buick LaCrosse on Bumpy Roads?

The reasons for noise in Buick LaCrosse on bumpy roads are as follows: 1. Severe brake pad wear: When the thickness of the car's brake pads wears below 5mm, the braking force will significantly decrease, and symptoms such as noise during turns may occur. In this case, the brake pads should be replaced promptly. 2. Damaged right front wheel shock absorber: If the shock absorber of the right front wheel is damaged, it can also cause noise. The car should be lifted for a detailed inspection in this situation. 3. Deformed right front wheel hub: A deformed right front wheel hub can generate noise while driving. For safety reasons, it is best to replace the hub. 4. Worn right front tire: Excessive wear of the right front tire or punctures from nails, stones, etc., can also lead to noise. This situation requires further inspection at a repair shop.

20

4

Share

What is the MIIT fuel consumption of the Terra?

What are the causes of oil leakage in Mercedes-Benz engines?

Can Mercedes-Benz Tires Be Repaired?

What kind of engine oil should be used for the Yidong?

What Causes Steering Gear Abnormal Noise?

What is the situation with the clicking noise in the Buick Excelle engine?

What Causes the Noise in Buick LaCrosse on Bumpy Roads?

How many kilometers can a BMW 3 Series run on a full tank of fuel?

What is the lifespan of BYD batteries?

What does it mean to reduce AC charging current?

What Causes the Central Control Screen to Not Light Up?