Ten misunderstandings of Car You Don't Know!
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By senzeal-auto.com | 27 April 2020 | 0 Comments

Ten misunderstandings of Car You Don't Know!

Ten misunderstandings of Car You Don’t Know!

Misunderstanding 1: The car starts in the second gear.

Sedan transmission design is more emphasis on speed. If reluctant to start in second gear will not only increase the load on the engine but also cause early clutch wear, so the car should start in first gear regardless of the displacement.
Misunderstanding 2: Overdrive.
Motorists generally think that the high-speed gear is faster, so they go up a gear on the way to overtaking. In fact, the vehicle must be driven by the torque exerted by the engine. The high-end torque is relatively small, the throttle is unresponsive, and the acceleration is slowed down. Therefore, the correct overtaking should be slowed by one gear. The automatic wave only needs to step the throttle to the end, and the transmission will Lower the gear by one to provide sufficient torque.
Misunderstanding 3: Braking while turning.

The center of gravity of the car moves to the outside when turning. At this time, the brake will increase the roll, resulting in unilateral braking. If the speed is too fast, or the brake is too strong, there is a risk of rollover. The correct approach should be to reduce the speed of the vehicle before entering the curve and switch to low gear. After entering the corner, slowly refuel the body to maintain a stable attitude.
Misunderstanding 4: Backhand hitting the steering wheel.

In the old car, the steering wheel is heavier, and it is more labor-saving to hit the steering wheel in the backhand, but the new car is more dangerous to operate in this way. When the backhand hits the direction, if the wheel rolls into an obstacle, it will suddenly jump back and the wrist will be seriously injured, so it is necessary to develop good The habit (generally put the left hand at 9 or 10 o'clock, the right hand at 3 or 2 o'clock, push one hand and pull the other hand to pull down the steering wheel), don't cross your hands, hit the steering wheel with your backhand.
Misunderstanding 5: Step on the clutch first and then brake.
Some people think that the power should be cut off before braking, the brake will be more effective, this is a serious mistake. Because the clutch is stepped on, the engine speed is quickly reduced to idle speed, the total vacuum of the intake manifold is reduced, the auxiliary force of the vacuum booster is greatly reduced, and the braking distance becomes longer. For proper operation, depress the brake first, and then depress the clutch when the vehicle speed is reduced to a near stop.
Misunderstanding 6: Glide downhill neutral gear.


Some car owners want the convenience, when driving downhill, they will be in neutral gear and only use the brake to control the speed. This is definitely a dangerous hazard. If this is done on a long-distance, the brake system will suddenly fail due to overheating. Cause an accident. The correct way is to put the appropriate gear according to the actual speed, let the engine brake, occasionally supplemented with brakes, which is both safe and extends the life of the brake.
Misunderstanding 7: You can save fuel by emptying.
The carburetor car can save fuel in the neutral position, but the electric injection car does not necessarily save fuel, because some vehicles release the throttle during acceleration, the fuel injection system stops fuel supply, and the fuel supply is restored when the engine speed drops to 2000 RPM, so EFI vehicles will save fuel when sliding at high speeds with gears, and instead of empty gears, it will cost more fuel.
Misunderstanding 8: The slower the speed during the running-in period, the better.
The running-in period is to grind the fit clearance of the friction parts to a reasonable range within a period of time to achieve better lubrication. If the engine speed is too low during the running-in period, the crankshaft connecting rod and bush will be subjected to a large impact. If the speed is too high, the cylinder wall will be easily damaged, causing early wear. Between 3000 RPM, the gasoline engine is between 1000-2000 RPM.

Misunderstanding 9: The high-speed gear small throttle is more fuel-efficient.
In this method, the engine is prone to knocking, and the power of the fuel explosion cannot fully work, and it impacts the connecting rod mechanism, causing early wear. However, the low torque is insufficient and the acceleration is weak. On the contrary, the fuel consumption may increase. The way to protect the engine with oil is to work in an area with low maximum torque and speed to get the maximum power and the best fuel-saving effect.
Misunderstanding 10: The car starts to warm up for 10 minutes.

Preheating before starting the car can make the mechanical parts get better lubrication, reduce friction, and prolong the service life. However, the warm-up time should not be too long, so that the lubricating oil can reach the required lubricating parts, generally, 5-8 seconds is recommended. If the time is too long, only fuel consumption and engine wear will be caused.

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