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Chevrolet Sail 3 Automobile Fault Maintenance Consultation
One: Abnormal engine noise: After the engine is started, it will make a "Mao Mao" sound, which is not loud, and the cold car is louder than the hot car. Solution: Because some abnormal noises generated when the engine is running are complicated, it will be difficult to judge. In principle, the abnormal sound produced in the process of engine maintenance must be judged in the actual test run, and an accurate judgment can only be made after comprehensive analysis of the nature, type, frequency, source and situation of the abnormal sound on site.

Suggestion: It is best to go to a professional repair shop for testing. Two: abnormal sound in the direction: after the car travels to 60km/h, the same scream appears when it is tapped to the left.

Solution: According to the fault situation and sound nature, it is best to go to the repair shop to check the belt of the steering booster pump to see if there is insufficient tightness. Suggestion: 4S check and eliminate it as soon as possible to avoid unnecessary losses.

3. Abnormal braking sound: Recently, during driving, there was a "squeaking" sound in front of the car when braking.

Solution: When braking, it makes a sharp squeak, which is mainly related to the material of the brake pad. You can find a safer road section, and then brake suddenly while driving (about 40 miles per hour), so that the hard spots on the brake pads can be smoothed out, and the abnormal noise can be completely eliminated after repeated several times. Or remove the brake pad and polish or chamfer the brake pad, which will also effectively reduce the abnormal noise generated during braking. Suggestion: This abnormal sound will not affect the normal use of the braking system, so it can be left untreated. Four: strong sense of oil collection. The riders reported that the new car they just bought has a strong sense of oil collection. The second, third and fourth gears are particularly obvious.

Solution: It may be caused by excessive carbon deposition in throttle, idle motor, air intake, air intake valve and combustion chamber. At the same time, check the working conditions of the fuel injector, spark plug and ignition coil. If you drive in urban areas for a long time, it is easy to form carbon deposits, and driving in congested sections of urban areas will also lead to high fuel consumption.

Suggestion: Clean the throttle valve, fuel injector and air intake regularly when the vehicle is driving for 30-40 thousand kilometers, even if there is no fault. If you drive at a low speed in the urban area for a long time, you should check the relevant parts in advance.

Five: the starting car shakes, the clutch is high, and it is easy to stall. The riders reported that the new car they just bought was easy to stall at first and the clutch was too high.

Solution: Go to the maintenance point to lower the clutch, just adjust a screw and turn it twice. 10 yuan, if not, I will help you adjust it for free. Suggestion: open more and practice more, and your suitable position will be fine. Six: EMT model of vehicle jumping in neutral gear.

Cheyou responded: I am a new Sail EMT model. Recently, during driving, there will be a sudden gap jump.

Solution: At present, the common problem of Sail EMT means that many EMT owners have had this problem. At present, they only have to go to 4S to solve it, either upgrade the program or fix it directly. In addition, some experts say that shifting during driving is caused by the internal self-locking mechanism of the gearbox. Check whether the self-locking system works normally, and replace the relevant parts, and the problem will be solved.

Suggestion: we don't understand this kind of thing, so let's go to 4S to repair it. If you are the owner of EMT, you can only pray that your car will not jump.

Seven: Abnormal sound of the front windshield

Rider's reaction: abnormal sound on the front windshield.

Solution: lubricating oil or stuffing a piece of paper, it is really impossible to go to 4S to solve it.

Suggestion: it does not affect the use, and can be simply handled.