What is the suitable tire pressure for a new car?

How to Remove the Universal Joint Cross?

To remove the universal joint cross, follow these steps: 1. First, remove the cover plate bolts, then take off the cover plate and the universal joint cross needle bearing housing. 2. After removing the lock rings of the other two needle bearing housings of the universal joint cross, support the two journals of the universal joint cross with your hands, and gently tap the edge of the universal joint yoke of the drive shaft or the telescopic sleeve with a hammer to push out the bearing housing with the universal joint cross. 3. During removal, avoid striking the edge of the bearing housing mounting hole or the bottom of the bearing housing. Assembly steps: 1. Clean all parts thoroughly. 2. Apply a small amount of grease inside the bearing housing and install the bearing needles. 3. Reinstall the needle bearing cover, felt, and washer onto the universal joint cross journals, then fit the universal joint cross into the universal joint yoke with the grease nipple facing the drive shaft, and install the bearing housing (aligning the groove with the screw hole). Ensure there is no jamming or looseness. Finally, secure the bolts with lock plates. After assembly, the tightness should allow free rotation without looseness. The fit clearance between the universal joint yoke hole and the bearing housing is 0-0.04mm. The bearing housing should not be stuck with the oil seal seat and unable to rotate. After passing inspection, apply grease again.

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What does a reverse curve look like?

A reverse curve involves a sharp left turn followed immediately by a sharp right turn (forming an "S" shape). Here is more information about reverse curves: 1. Location: The reverse curve traffic warning sign is placed at an appropriate position before two adjacent curves with opposite directions; the continuous curve traffic warning sign is placed before a road with three or more consecutive curves. Continuous curves are extremely dangerous, and improper driving or excessive speed can easily lead to severe accidents, including fatalities. 2. Purpose: The reverse curve traffic warning sign is used to alert drivers to reduce speed and drive safely, with a recommended speed not exceeding 60 km/h. These signs are commonly found in mountainous areas.

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How much fuel does an engine consume at idle speed?

Based on the current general vehicle displacement of 1.5-1.8 liters, the fuel consumption at idle speed is approximately 1-2 liters per hour. If the air conditioning is also running, the gasoline consumption during idle will be even higher. Generally, gasoline engines idle at around 800 RPM, while diesel engines idle at about 500 RPM. The higher the vehicle's displacement, the more fuel it consumes per hour at idle. Below are the impacts of vehicle idling: 1. Consumption: Fuel consumption. 2. Carbon buildup: The engine will accumulate carbon deposits. Prolonged idling can lead to excessive carbon buildup, causing insufficient power during driving and, in severe cases, black smoke from the exhaust pipe.

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What is the ignition current of a car?

During the one or two seconds of car starting, the current is approximately 100-300A. Here is more information about the ignition current: 1. Principle: The maximum current at the moment of ignition is generally 500-600A, which quickly drops to around 100-200A. 2. Current loss direction: Over 90% of the starting current is supplied to the starter motor. After the car starts, the generator begins to work, and the generated current is mainly provided to the vehicle's electrical components. If the current generated by the generator exceeds the current consumption of the vehicle's electrical components, the remaining current will be used to charge the battery.

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Advantages and Disadvantages of Engine Auto Start-Stop System

The engine auto start-stop system has the following advantages and disadvantages: 1. Advantages of the auto start-stop system: The engine auto start-stop function automatically shuts off the engine when the vehicle stops at a traffic light (after pressing the brake pedal for three seconds), putting the engine in an off state. When the light turns green, releasing the brake pedal automatically restarts the engine, allowing the vehicle to shift gears and drive. This feature benefits fuel efficiency by shutting off the engine during stop-and-go traffic when conditions are met, thereby reducing fuel consumption and exhaust emissions. 2. Disadvantages of the auto start-stop system: The auto start-stop function places stringent demands on the battery. Consequently, vehicles equipped with this feature typically have larger batteries. It also requires higher-quality starter motors, leading to slightly higher maintenance and repair costs in the long run.

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What are the benefits of a vehicle fuel card?

Vehicle fuel cards offer the following five benefits: 1. Fast refueling. Fuel cards enable self-service refueling without staff assistance, eliminating queues, and are universally accepted at networked gas stations nationwide. 2. Convenient usage. Simply insert the card for automatic payment settlement, removing the need for cash transactions or change, thus enhancing refueling efficiency. 3. Secure transactions. Each vehicle has a dedicated card (one card per vehicle). Features like loss reporting and PIN-protected transactions enhance fund security, prevent counterfeit money losses, and eliminate risks of carrying large cash amounts. 4. Discounts. Some fuel cards offer refueling discounts. 5. Reward points. Most fuel cards are registered cards that accumulate points for users, redeemable for gifts and additional value-added services.

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What is the suitable tire pressure for a new car?

How to Remove the Universal Joint Cross?

What does a reverse curve look like?

How much fuel does an engine consume at idle speed?

What is the ignition current of a car?

Advantages and Disadvantages of Engine Auto Start-Stop System

What are the benefits of a vehicle fuel card?

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