What is the compression ratio of the new Sagitar 1.4T engine?

Is 90 Degrees Celsius Normal for Cummins Engine Coolant Temperature?

The normal operating temperature is around 90°C. Below are the common causes of overheating: Insufficient coolant: Coolant leakage can cause temperature rise. In this case, check for any signs of coolant leakage. If found, promptly repair the leaking pipes or components. If no leaks are detected, replenish with the same brand of coolant. Adding water is not recommended, especially in winter, as it can dilute the coolant even if it doesn't cause immediate malfunctions. Radiator fan malfunction: A faulty radiator fan may prevent proper heat dissipation during high-speed operation, causing heat to accumulate instead of transferring to the antifreeze. This leads to increased antifreeze temperature and potential boiling-over issues. If this occurs while driving, first reduce vehicle speed. Inspect whether the fan is functioning properly. If faulty, repair it immediately rather than waiting for the coolant to boil.

1

4

Share

What is the wading depth of new energy vehicles?

10CM. Currently, the only clearly defined standard for the wading depth of new energy vehicles is the national standard GB/T18383.3. This standard specifies that the wading depth for new energy vehicles should be 10CM, with a speed of 20KM/h, a travel distance of 500m, and a wading time of 1.5min. Below are the relevant details: Wading test standards: In fact, local regions also have their own wading test standards for new energy vehicles. For example, Shanghai's pure electric vehicle admission policy includes the mandatory DB31T634-2012 standard, which requires simulating the wading conditions during vehicle operation. Pure electric vehicles must drive through 15 centimeters of water at a speed of over 30km/h for a total wading time of 10 minutes. Then, in 30 centimeters of water, they must drive forward and backward at a speed of no less than 5km/h for a total wading time of 10 minutes. This test further ensures that new energy vehicles have sufficient safety for driving. Additionally, Beijing has its own local standard for electric vehicles, defining a wading depth of 20CM. Test methods: Furthermore, according to the "Safety Requirements and Test Methods for Power Batteries in Electric Vehicles" issued by the General Administration of Quality Supervision, Inspection and Quarantine, clear safety indicators and test methods are provided for individual power batteries and modules of new energy vehicles. Among these test methods, it is required that saltwater can easily corrode products. Battery cells, in a fully charged state, should be soaked in a 3.5% NaCL (sodium chloride, simulating seawater) solution for 2 hours without any incidents such as fire or explosion.

17

5

Share

Should the clutch be fully released before accelerating after shifting gears?

After shifting gears, the clutch should be fully released before accelerating. Introduction to the car clutch: The clutch is located in the flywheel housing between the engine and the transmission. The clutch assembly is fixed to the rear plane of the flywheel with screws, and the output shaft of the clutch is the input shaft of the transmission. The clutch is one of the important components of a car. Introduction to the car throttle: Also known as the "air throttle" or "throttle valve," it refers to the control device that regulates the engine power (thrust). In piston aircraft engines, the throttle controls the opening of the carburetor's throttle valve to regulate the cylinder's weight, thereby determining the engine's output power.

5

2

Share

Where is the rear wiper located on the oldest Buick GL8 model?

The switch for the rear wiper on the oldest GL8 model is located on the right-hand stalk behind the steering wheel. Below are the specific steps for replacing the rear wiper on a Buick GL8: 1. Remove the wiper blade, open the hood, and unscrew the fixing bolts on the cover plate. 2. Peel off the hood seal, lift the hood, disconnect the spray pipe connection, and remove the cover plate. 3. Unscrew the bolts under the cover plate and remove the inner plastic panel. 4. Disconnect the motor plug, unscrew the bolts on both sides of the linkage rod, and then pull it out. 5. Remove the motor from the old linkage rod and install it onto the new one. Insert the assembly back into the rubber hole of the linkage rod, tighten the screws, reconnect the motor plug, and finally restore the seal and cover plate.

7

4

Share

Do Germans drive on the left or right side of the road?

In Germany, the driver's seat is on the left side, and vehicles drive on the right side of the road. Here is some relevant information about the direction of the driver's seat in cars: Right-hand traffic principle: In our country, the principle of right-hand traffic is implemented. The steering wheel is positioned on the left, making it easier for the driver to gauge the distance from oncoming vehicles, thereby reducing the risk of collisions. Additionally, it provides better visibility of oncoming traffic when overtaking. However, there are some countries in the world, such as the United Kingdom, where vehicles are required to drive on the left side, so the steering wheel is naturally positioned on the right. Left-hand traffic: Many countries, including the UK, Japan, Australia, New Zealand, India, Thailand, Indonesia, Malaysia, and Singapore, practice left-hand traffic.

14

5

Share

How is ETC powered?

ETC device power supply methods: For solar-powered ETC devices, you can drive the vehicle under the sun for a few hours to charge the device. For ETC devices without solar charging panels, you can plug in a dedicated power cable and charge via the cigarette lighter socket. The ETC installation process is as follows: Upon receiving the device, first check whether the ETC card and electronic tag (OBU) are damaged. Press the anti-tamper button on the back of the OBU, and the red light will briefly turn on. The OLED screen will display "Tag Invalid" and "Please Insert Card," indicating the device is functioning properly. Clean the front windshield, ensuring the glass surface is smooth, clean, and dry. Then peel off the adhesive backing film of the OBU and stick it to the installation position. Press firmly with your hand for 2-3 minutes to remove any air bubbles. Insert the ETC card with the front side facing the driver and the back side facing the windshield, ensuring the chip is inserted into the OBU device. Benefits of installing ETC: Time-saving: Eliminates the hassle of waiting in queues; Green and eco-friendly: Promotes low-carbon travel, as vehicles pass through toll stations without stopping, reducing noise and exhaust emissions and minimizing pollution; Reduced wear and tear: Saves costs by decreasing the frequency of vehicle starts and stops, reducing wear and fuel consumption. Users can also enjoy a 5% discount on toll fees; Improved efficiency: ETC lanes theoretically increase vehicle throughput by 2-3 times, making traditional ETC faster, more advanced, and high-tech. Compared to license plate payment, ETC technology is more mature and advantageous.

9

2

Share

What is the compression ratio of the new Sagitar 1.4T engine?

Is 90 Degrees Celsius Normal for Cummins Engine Coolant Temperature?

What is the wading depth of new energy vehicles?

Should the clutch be fully released before accelerating after shifting gears?

Where is the rear wiper located on the oldest Buick GL8 model?

Do Germans drive on the left or right side of the road?

How is ETC powered?

Should the internal circulation be turned on when AC is on?

What is the best mileage for the first maintenance of a new car?

What is the speed limit on curves?

Where is the suspension stiffness adjustment button for the Avalon?