GAC Toyota Chuanqi gs4' s 7-speed dual-clutch automatic gearbox comes from Aisin. The 7-speed gearbox technology is relatively new, but the equipment failure rate is really low. Moreover, Aisin's 7-speed dual-clutch gearbox is well set on the roads in big cities, which can reduce fuel consumption. The specific fuel consumption must be considered in combination with the engine displacement of the vehicle, the driver's driving mode and the real-time road condition standard, and cannot be generalized.

Gear box maintenance:

1. Always check whether the hydraulic oil level of automatic transmission is normal. Run the automobile engine, heat the transmission oil to about 50℃, and then leave the shift lever in each gear for about 2 seconds before putting it into the parking gear. At this time, all normal oil levels of the dipstick should be between the highest line and the lowest line. If it is insufficient, the refined oil with the same quality should be added immediately.

2. Grasp the replacement cycle time of automatic transmission oil.

The oil change cycle time of most automatic gearboxes is generally 2 years or 40,000 ~ 60,000 kilometers (which can be based on the vehicle operation manual). It is recommended to change the oil 2~3 thousand kilometers in advance.

3. Change the transmission oil correctly.

A good way to change oil is to change oil dynamically. Select special gearbox oil changing machinery and equipment. During the operation of the gearbox, the old oil is fully circulated in the system, and new gearbox oil is added after it is discharged neatly, so that the oil change rate reaches over 90%, which ensures a better actual effect of oil change.

Car buyers should shape the concept of active inspection and maintenance, learn and train some basic knowledge of car maintenance, read articles and instructions carefully, and remember some necessary data and information. Scientific research on automobile maintenance can ensure safety in a good technical state and ensure safe driving.

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