What type of transmission does the Corolla use?

How to Check Tire Pressure in a Car?

If the vehicle is equipped with a built-in tire pressure monitoring function, the tire pressure can be viewed on the car's dashboard. If the vehicle does not have a built-in tire pressure monitoring function, there will be a tire pressure warning. The user manual, the driver's door (near the car's B-pillar), and the fuel tank cover also display the standard tire pressure. Different brands and models may have varying tire pressure requirements. Tire Pressure Monitoring: Tire pressure monitoring involves real-time automatic monitoring of tire pressure while driving, alerting the driver in case of tire leaks or low pressure to ensure driving safety. Direct Tire Pressure Monitoring: Direct tire pressure monitoring devices use pressure sensors installed in each tire to directly measure tire pressure. The pressure information is transmitted wirelessly from inside the tire to a central receiver module, which then displays the tire pressure data for each tire. The system automatically alerts the driver if the tire pressure is too low or if there is a leak. Indirect Tire Pressure Monitoring: When the pressure in a tire decreases, the vehicle's weight causes the rolling radius of that tire to become smaller, resulting in faster rotation compared to the other wheels. By comparing the rotational speed differences between tires, the system monitors tire pressure. Indirect tire pressure monitoring systems essentially rely on calculating the rolling radius of the tires to monitor pressure. Introduction to Tire Pressure Monitoring System (TPMS): This system combines the advantages of both direct and indirect monitoring. It is equipped with direct sensors in two diagonally opposite tires and a four-wheel indirect system. Compared to a full direct system, this hybrid approach reduces costs and overcomes the limitation of indirect systems, which cannot detect simultaneous low pressure in multiple tires. However, it still cannot provide real-time pressure data for all four tires like a direct system.

15

0

Share

What are the advantages and disadvantages of CVT transmissions?

CVT transmissions are continuously variable transmissions without fixed gear ratios like first, second, or third gears. Whether a CVT transmission is suitable depends on specific needs. The advantages and disadvantages of CVT transmissions are as follows: I. Advantages: 1. Superior Comfort: Unlike manual or automatic transmissions with gear sets, CVTs use a steel belt running between two conical pulleys to vary the drive radius, eliminating gear shifts and their associated jerks. This enables smooth, linear power delivery. 2. Excellent Power and Transmission Performance: The linear power output allows optimal matching of engine conditions with vehicle load and speed, balancing fuel consumption, emissions, and powertrain performance. 3. Fuel Efficiency: Continuous variability maintains optimal gear ratios at all times, improving mechanical efficiency and fuel economy. 4. Low Maintenance Costs: The simple steel belt transmission structure offers high controllability, with current technology ensuring high reliability and service life. Most CVT transmissions require minimal maintenance. 5. Emission Benefits: CVTs provide real-time optimal gear ratios, keeping the engine in efficient operating ranges for easier emission control. 6. Enhanced Drivability: By maintaining optimal gear ratios and working with torque converters, CVTs can amplify engine torque. II. Disadvantages: 1. High Repair Costs: Wear or failure of the steel belt assembly can be expensive to repair. 2. Transmission Losses: Friction-based power transmission inherently involves some energy loss.

20

5

Share

What are the regulations of the new automotive three-guarantee policy?

Automotive three-guarantee regulations are as follows: 1. Vehicle replacement: If the same fault is repaired more than 5 times, the vehicle can be replaced. Within the three-guarantee validity period (the three-guarantee validity period is 2 years or 50,000 kilometers, whichever comes first), if the cumulative repair time exceeds 35 days, or if the same product quality issue leads to more than 5 repairs, the consumer can request a replacement. This applies within 60 days from the date the seller issues the purchase invoice or within 3,000 kilometers of driving (whichever comes first). 2. Vehicle return: If the engine is replaced twice and still does not function properly, the vehicle can be returned. Within the three-guarantee validity period, if there have been two repairs for serious safety performance faults that still persist or new serious safety performance faults arise; if the engine or transmission has been replaced twice; or if the same major component of the steering system, braking system, suspension system, front/rear axle, or body has been replaced twice due to quality issues and still cannot function properly, the consumer can choose to return the vehicle, and the seller shall be responsible for the return. If the household automotive product meets the replacement conditions but the seller does not have a product of the same model from the same brand or a product with a configuration not lower than the original vehicle for replacement, the consumer can choose to return the vehicle, and the seller shall be responsible for the return. 3. If repairs take more than 5 days, the owner has the right to use a spare vehicle: During the warranty period, if a household automotive product has quality issues, the consumer can have it repaired free of charge by the repairer with the three-guarantee certificate, including labor and material costs.

19

1

Share

Are MPVs More Fuel-Consuming Than Sedans?

For MPVs and sedans with the same displacement, MPVs generally consume more fuel. Here is some relevant information: 1. Introduction to MPVs: MPV (Multi-Purpose Vehicles), or multi-purpose vehicles, evolved from station wagons. They combine the spacious passenger area of a station wagon, the comfort of a sedan, and the functionality of a van, typically featuring a two-box structure and seating for 7-8 people. 2. Introduction to Commercial Vehicles: Commercial vehicles are essentially multi-purpose vehicles. They integrate the functions of sedans, station wagons, and vans, with each seat adjustable and offering various combinations. For example, the backrest of the middle row seats can be folded down to form a table, and the front seats can rotate 180 degrees.

12

3

Share

Does 5 Adults and 1 Child Count as Overloading?

Whether 5 adults and 1 child count as overloading depends on the situation. The judgment methods are as follows: 1. For vehicle models with a rated seating capacity of 6 or more, it does not count as overloading. 2. A sedan carrying 5 adults and 1 child counts as overloading. 3. Overcrowding does not have any regulations regarding the height, weight, or age of passengers. This means that as long as the individual meets the definition of a person, even an infant is considered a complete individual. For example, if a car is rated for 5 people, having one additional infant just one month old would still count as overcrowding. Introduction to overloading penalties: 1. The "Road Traffic Safety Law" stipulates that passenger vehicles exceeding the rated number of passengers will be fined between 200 and 500 yuan; if the number exceeds 20% of the rated capacity or if the vehicle carries cargo in violation of regulations, the fine will be between 500 and 2,000 yuan. 2. For freight motor vehicles exceeding the rated load capacity, the fine is between 200 and 500 yuan; if the load exceeds 30% of the rated capacity or if the vehicle carries passengers in violation of regulations, the fine will be between 500 and 2,000 yuan. 3. For the above two violations, the traffic management department of the public security authority will detain the vehicle until the illegal status is rectified. 4. If transport unit vehicles have the situations described in the first and second clauses and fail to correct after penalties, the directly responsible personnel will be fined between 2,000 and 5,000 yuan.

12

5

Share

What is the Difference Between Automotive Primer and Topcoat?

The differences between automotive primer and topcoat are as follows: 1. Different compositions: Primer consists of four components—resin, filler, solvent, and additives; topcoat is composed of three parts—clear coat, color coat, and primer. 2. Different functions: Primer is the first layer of the paint system, used to level the surface, support the topcoat, provide fullness, and reduce costs; topcoat is the final coating layer, applied to increase the number of layers and thickness of the paint film. 3. Different roles: Topcoat offers scratch resistance, gloss hardness, transparency, tactile feel, aging resistance, and yellowing resistance; primer fills the capillary pores in the steel plate, facilitates surface painting, supports the topcoat to ensure it adheres tightly to the car's surface, and helps reduce costs and save energy.

4

3

Share

What type of transmission does the Corolla use?

How to Check Tire Pressure in a Car?

What are the advantages and disadvantages of CVT transmissions?

What are the regulations of the new automotive three-guarantee policy?

Are MPVs More Fuel-Consuming Than Sedans?

Does 5 Adults and 1 Child Count as Overloading?

What is the Difference Between Automotive Primer and Topcoat?

What does National III refer to in vehicles?

Reasons for Fogging on Car Windows When Exiting the Garage

What are the front wheel steering mechanisms of a car?

What is the fuel consumption per 100 kilometers for a 2.0L displacement car?