How to Replace the Cabin Air Filter in a Soueast DX7?

How to Repair Minor Scratches on Headlights?

You can use toothpaste for polishing, as toothpaste contains abrasive particles. Apply toothpaste to the headlight and then rinse it off with water. For longer scratches and cracks on car headlights, you can use fine wood sandpaper to sand them down, followed by polishing with polishing wax. The principle is similar to polishing the paint surface. Use nano-spray coating for renovation and repair, including sanding, degreasing, spray coating, and spectral hardening. The repair process strictly follows the original headlight manufacturing process.

117

Share

What methods can be used to remove asphalt from a car body?

First, use high-pressure water to rinse the car body for initial cleaning. If the adhered asphalt or other dirt remains, you can rinse these localized areas. Then, wash with soapy water. For asphalt with strong adhesion, you can purchase a specialized tar cleaner from an auto parts store. After cleaning, promptly wax and polish the car. Generally, polishing can remove traces left by previous dirt, followed by sealing the glaze.

113

Share

What are the two major mechanisms of an engine?

The two major mechanisms of an engine are the crank-connecting rod mechanism and the valve train. The valve train mainly includes components such as the camshaft, valves, valve springs, tappets, and push rods, while the core components of the crank-connecting rod mechanism are the piston, connecting rod, and crankshaft. Function of the valve train: According to the working cycle and firing order requirements of each cylinder in the engine, the valve train opens and closes the intake and exhaust valves of each cylinder at the right time, allowing fresh air to enter the cylinder promptly and exhaust gases to be expelled from the cylinder in a timely manner. During the compression and expansion strokes, it ensures the sealing of the combustion chamber. Function of the crank-connecting rod mechanism: It provides a combustion space, converts the expansion pressure of the gas generated after fuel combustion acting on the piston top into the rotational torque of the crankshaft, transforms the thermal energy released by fuel combustion into mechanical energy, and continuously outputs power. Engine working principle: The working chamber of a reciprocating piston internal combustion engine is called the cylinder, with the inner surface of the cylinder being cylindrical. The piston that reciprocates inside the cylinder is hinged to one end of the connecting rod via the piston pin, while the other end of the connecting rod is connected to the crankshaft. The crankshaft is supported by bearings on the cylinder block and can rotate within the bearings, forming the crank-connecting rod mechanism. When the piston reciprocates inside the cylinder, the connecting rod drives the crankshaft to rotate.

102

Share

What to Do If a Vehicle Has Not Undergone Annual Inspection for Over 6 Years?

First, the vehicle owner needs to go to the traffic police department that can handle the application for the annual inspection decal. Next, the vehicle owner needs to fill out a form for the 6-year vehicle exemption from inspection. Then, the vehicle owner should go to the service counter and submit the exemption form, vehicle registration certificate, and a copy of the compulsory traffic insurance to the staff. The staff will process the formalities, and upon completion, they will return the vehicle registration certificate and the new annual inspection decal to the owner, while the copy of the compulsory traffic insurance will be archived.

115

Share

How to Identify Seat Belts When Wearing Black Clothes?

Electronic eyes first use various technologies such as computers to monitor traffic violations around the clock, capturing images and information of vehicles violating rules. Then, induction lines are used to sense the pressure transmitted by cars on the ground. The signals are collected by sensors and sent to the central processor, where they are temporarily stored in registers. After uploading the information to the registers, staff will screen and verify each captured photo. Penalties are only imposed if the absence of a seat belt is confirmed.

102

Share

How to Turn on the Rear Air Conditioning in Maxus Vehicles?

First, start the vehicle and wait for 8-15 minutes. Next, after the water temperature rises to the normal level, turn on the air conditioning. Then, adjust the air circulation mode to internal circulation. After that, select the AUTO automatic operation mode. Press the AUTO button to activate the air conditioning, which will automatically adjust the interior temperature. Finally, choose the A/C manual operation mode. Press the A/C button, manually set the desired temperature, and select the air outlet angle.

108

Share