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What does 9HAT transmission mean?

1 Answers

DiCecilia

07/30/25 5:59am

9HAT transmission is China's first P2 hybrid 9-speed hydraulic automatic transmission. Here is relevant information: 1. Comparison: Based on the 9AT, the 9HAT adds a high-power P2 hybrid motor and a C0 clutch structure for disconnecting or connecting the transmission with the engine power, enabling pure electric or hybrid driving modes for the vehicle. 2. Introduction: The transmission is a mechanism used to change the speed and torque from the engine. It can fixedly or stepwise change the transmission ratio between the output shaft and the input shaft, also known as the gearbox. The transmission consists of a gear transmission mechanism and a control mechanism, and some vehicles also have a power take-off mechanism. Most transmission mechanisms use ordinary gear transmission, while some use planetary gear transmission. Ordinary gear transmission mechanisms generally use sliding gears and synchronizers.

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Steering Wheel Shaking at Speeds of 90 to 100 km/h?

Steering wheel shaking at speeds of 90 to 100 km/h is due to poor tire dynamic balance, which requires rebalancing at a 4S shop. More information about dynamic balance is as follows: 1. Dynamic balance of a car refers to the balance between the wheels when the vehicle is in motion. 2. To prevent an unbalanced state caused by uneven mass distribution of various parts during driving, dynamic balancing of the car is necessary. 3. Regular balance checks not only extend the life of car tires but also improve the stability of the vehicle while driving, avoiding traffic accidents caused by tire wobbling, bouncing, and loss of control at high speeds.

What to Do When There's Noise When Braking Hard?

Solutions for noise when braking hard are as follows: 1. When the brakes emit a sharp noise, besides the brake pads breaking in, the first thing to check is whether the brake pads are worn out or if there are foreign objects. If the brake pads are worn out, they should be replaced immediately; if there are foreign objects, remove the brake pads, take out the foreign objects, and then reinstall them. 2. When the brakes emit a dull noise, check if the brake caliper is worn or if the spring plate has fallen off. If any issues are found, replace them immediately. 3. Check if there are any problems with the friction between the caliper, brake disc, and brake pads. 4. Check if the attachments on the brake pads are loose. If they are, it is recommended to reinforce them or replace the brake pads with new ones.

Will a Faulty EVAP Canister Purge Solenoid Valve Affect Fuel Consumption?

Yes, a faulty EVAP canister purge solenoid valve can affect fuel consumption. The EVAP canister utilizes the adsorption and filtration principle of activated charcoal to collect fuel vapors. When the vehicle starts, the canister purge solenoid valve opens, releasing the adsorbed fuel vapors into the intake manifold for re-combustion. If the canister purge solenoid valve is faulty, fuel vapors may enter the cylinders before the engine is started, leading to an excessively rich air-fuel mixture. This can cause "flooding" of the engine, resulting in difficulty starting or requiring multiple attempts. Additionally, due to the overly rich mixture, incomplete combustion occurs. The engine ECU will then make adjustments, causing the next fuel injection to be leaner. However, an overly lean mixture also makes complete combustion difficult, ultimately leading to increased fuel consumption.

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