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ClimbingThe gear and slopeCar displacementRelevant, generally use 2-4 gears.
The slope of the ramp is large, and the low gear should be hung 2-3 gears, the large displacement car can increase the throttle uphill in three gears, and the small displacement car can go uphill with the second gear to ensure sufficient traction.
In the general urban slope, the car with a large displacement can be in three gears, and even the fourth gear can be directly on the uphill speed if the uphill speed is fast, and the second gear can be used for cars with a small displacement, and the second gear can be used if the underground parking lot is steep.
Precautions for climbing
The car should be climbed in one go, first to decelerate appropriately, and then to hang the gear, to control the throttle during the climb, but also to pay attention to listen to the sound of the engine is shaking, so that the car is not easy to turn off halfway.
Fuel-saving methods for climbing
1. When climbing from a higher gear to a lower gear, do not wait until the inertia of the car disappears before shifting, but should adapt to shift in advance, otherwise it will be difficult to shift in low gear. Or even if you change into a low gear, it is not the economical speed of that gear, and in severe cases, it will lead to a stop in the slope and need to start again, thereby increasing fuel consumption.
2. Do not climb at high speed in low gear.
3. Don't increase the throttle and climb reluctantly. This is more fuel-efficient than climbing to the top of a slope at an economy speed one gear lower.
4. Do not accelerate the slope before the slope, but should first make a proper estimate of the size and length of the slope, accelerate in advance, make full use of the inertia of the car to rush the slope, so that the high-speed gear is not hard to brac, and the low-speed gear is not hard to rush, which is conducive to fuel saving.
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The gear of climbing is related to the slope and the displacement of the car, and 2-4 gears are generally used.
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Manual transmission car is the flexibility of the use of power, according to the slope of the road and the power of the engine reasonable gear, when the vehicle in the four-gear high-speed driving, when the uphill power is insufficient, it should be reduced according to the speed of the car, less than 30 kilometers when the third gear is hung, less than 20 kilometers when the second gear is hung, less than 10 kilometers when the first gear is hung.
If the automatic gear goes uphill, it can be generally hung to D gear, and some cars will have D-1 and D-2 gears, which are specially designed for going up steep slopes, and you can use this gear. The manual automatic can be used in manual mode and hung in 1st gear.
The solutions to the uphill weakness of automatic transmission cars are:
If the gear is too high, you should change to a low gear when climbing, or use the S mode to manually downshift, the idle speed is too low, and the reason for the unstable idle speed is to clean the lower throttle.
Aging spark plugs, gasoline pumps or filters that are too dirty will also lead to weakness on the slope, with speed but no power, and under the condition that there is no N gear or P gear, it may be a problem with the clutch, or the shift clutch is not well connected.
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If the vehicle is driving on an uphill section, the gear should be in the low gear. Because when the gearbox is in low gear, the torque is relatively high. If you need more traction when going uphill, you need to get less speed for more traction.
When the vehicle needs to overcome the resistance when going uphill, the speed is relatively small, so when going uphill, you need to hang a low gear to get more traction. On a flat highway or a general road, the vehicle will not be subjected to as much resistance as when going uphill, and naturally it does not need more traction to overcome the resistance when going uphill, so it can be hung up on the high grade and maintain high speed.
As for which gear to hang in the low gear, it should be decided according to the size of the slope and the displacement of the car when climbing the hill.
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The car is good 3 gears, 2 gears, one gear again, and again, reverse gear, reverse gear can go up, if only the use of D gear driver will obviously feel that the car is more "meat", should use manual mode (one gear back), using climbing gear (low gear such as 2 gears 3 gears, etc.) climbing, the car will not only run very powerful, but also will be more brisk.
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The basic essentials are: hang up to 2nd gear before going uphill, go uphill with the accelerator, and step on the accelerator as long as the engine speed is kept at 2000-2500 rpm. The slope of 30-50 degrees is already relatively steep, and it is impossible to go up with third gear.
Only 2nd or 1st gear can be used. If there are only two people in the car, it is perfectly fine to use second gear. After sitting for 3-5 people, it is easier to operate in 1st gear and can go uphill normally.
If there are many people in the car, you can also use second gear first, and when you reach the steepest point or are about to make a sharp turn uphill, you can immediately change to first gear. Pay attention to uphill shifting, shift speed should be fast, and the throttle should be pressed in time to keep the engine powerful. Novice downhill in the case of unskilled, it is better to hang a low gear, you can hang the second gear to slide downhill is safer.
When going downhill, the clamping force of the engine can reduce the inertia of the downward rush of the car. If the slope is too long and steep, the speed will still be relatively fast, you can press the brakes to slow down, and then release the brakes to continue sliding. Note:
Don't slide downhill in neutral! Otherwise, it will be difficult to slow down or stop with the brakes alone, and it may cause brake failure (overheating and skidding) and become dangerous. Novices must also practice their uphill starts, and they should be able to start normally no matter what the slope is.
Believe in yourself, and if you practice more, you will become proficient.
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What brand of car is yours? If it is a manual transmission with low displacement, use 2nd gear, and the climb will be more powerful; If it is an automatic transmission, you can also switch to a lower gear.
However, if the slope is not too steep, the automatic transmission car generally does not need to change gears.
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The car is in 3rd gear, the second gear is in 2nd gear, the first gear again, and then again, reverse gear, and you can go up in reverse.
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This should be flexibly used according to the load capacity and slope size of the car, and there are no certain rules. Thank you for adopting.
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Do you know anything about automatic cars? Getting it right is important!
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Now there are many types of cars on the market, not only the previous manual transmission, in order to meet the needs of different customers, and the introduction of automatic transmission, as well as manual integration, so what is the best gear for automatic transmission to climb steep slopes?
If the owner is an automatic transmission car, when encountering a slope, only use D gear will feel that the vehicle has no strength, and the grip is not good, then you can adjust the gear, you can use L gear, which is more suitable for climbing, because L is a low-speed gear, after hanging into this gear, the highest gear of the gearbox will be limited to 1st gear or 2nd gear, at this time, no matter how you step on the accelerator, the car will not rise to 3rd gear. In this case, the car will be kept in a state of low rpm and high torque, so that it can get enough power, so that the climb will be very effortless.
Some drivers are also accustomed to using S gear when climbing, although S gear is a sports mode, and the power is very strong, and there is no pressure when climbing, but climbing with S gear will cause the engine to be in a state of high load, and it will damage the engine in the long run, so it is not recommended to use S gear.
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Pacific Automobile Network] manual transmission car uphill gear and speed and slope of the ramp are related, the slope of the ramp is large, should hang the low gear 2-3 gear (according to the speed at the time), large displacement of the car can also be three gears to increase the throttle uphill, small displacement of the car with two gears uphill can ensure enough traction.
Up and down the elevated, although it is very steep, but the speed is at least 40 yards, and there is no problem with 4th and 5th gears. The general slope (about 15 degrees) is enough with the car in 2nd gear. Steep slope 1st gear (usually found in underground garages).
On slopes greater than 30 degrees, the throttle cannot be completely released, and small displacement cars are easy to stall.
When the automatic transmission model is going uphill, the driving computer will send instructions to upshift and downshift according to the driving status. However, the characteristics of uphill slope are easy to cause the gearbox to frequently upshift and "drag the gear", which will cause weak power output and the engine is prone to carbon deposit.
Unconventional means should also be used when going uphill in automatic transmission models: the automatic manual transmission can be hung on the manual first or second gear; Vehicles with a climbing gear (usually marked "1", "2" or "L") should be hung on the climbing gear. In addition, when starting on a ramp, automatic transmission models can start by pressing the brakes and then hanging on the appropriate gear.
Photo by Li Caiying of Pacific Automobile Network).
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When going uphill, it is necessary to decide how many gears to hang according to the engine speed of the car, if it is hung uphill in third gear, when the engine speed drops below 2000 rpm, it is necessary to lower one gear, change to second gear, if the slope is too steep and fully loaded, it may be necessary to hang one gear to go uphill.
According to the downhill circle and slope is different, the small downhill road of the general highway is good to use 5 gears with brakes to control the speed, but also according to the current speed, if the gear is towed, it is necessary to downshift, a little steep with 3 or 4 gears with brakes to control the speed, but also according to the current speed, too steep to use 2 gears with brakes to control the speed, 1 gear downhill generally will not be used. Cars with automatic transmissions should be in forward D gear when going uphill.
Correct operation
For manual transmission models, if the ramp you want to climb is a bit steep, it is recommended to change the gear to 1st or 2nd gear. If the ramp is not very steep, you only need to change the gear to 3rd gear. When the lack of power is clearly felt during the climb, it is necessary to lower the gear in time.
Under normal circumstances, when the gear is lowered, the torque of the wheels will increase, which will greatly help the vehicle to climb smoothly.
In short, when climbing, whether you should use a high gear or a low gear, you should judge the slope in advance, and then match the clutch and throttle to make orange trails, so that no matter what slope can climb more smoothly, it is also safe and fuel-efficient.
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