What must I do for car maintenance?

Appearance inspection Before leaving the car, look around the car to see whether the lighting device is damaged, whether the car body is tilted, and whether there is oil leakage or water leakage; Check the tire appearance; Check the condition of doors, hood, trunk lid and glass.

The signal device checks the key to turn on the ignition switch (don't start the engine), check the lighting of all alarm lights and indicator lights, and start the engine to see if all alarm lights are off normally and the indicator lights are still on.

Check the fuel. Check the indication of fuel gauge and replenish fuel.

2. Maintain the content every week

Check the tire pressure, adjust the tire pressure, and clean the sundries on the tire. Don't forget to check the spare tire.

Check the engine and all kinds of engine oil, check the fixation of engine parts, and check whether the joint surfaces of the engine are leaking oil or water; Check and adjust the belt tightness; Check the pipeline and wire fixation of each part; Check the makeup oil; Check the supplementary coolant; Check the supplementary electrolyte; Check the auxiliary power steering oil; Clean the radiator surface; Replenish windshield cleaning fluid, etc. ?

Clean the inside of the car and clean the outside of the car.

3. Monthly maintenance content

Externally inspect the patrol car to check the damage of light bulbs and lampshades; Check the fixing of the body trim; Check the condition of the rearview mirror.

Check tire wear and clean luggage compartment; Replace the tire when it is close to the tire wear trace, and check whether the tire has bulging, abnormal main wear, aging cracks and hard injuries.

Cleaning and waxing thoroughly clean the inside of the car; Clean the sundries on the surface of water tank, oil radiator and air conditioner radiator.

Chassis Check the chassis for oil leakage. If there are traces of oil leakage, check the gear oil quantity of each assembly and replenish it appropriately, and fully lubricate all nozzles of the chassis.

Other detailed weekly repetitive maintenance contents.

4. Semi-annual maintenance content

Clean the external surface of the engine, and pay attention to the waterproof treatment of the electrical parts when cleaning. If the electrical parts have high waterproof requirements, it is necessary to avoid using high-pressure and high-temperature water guns to clean the engine. You can use a brush dipped in cleaning agent to clean the engine surface.

The distributor shall use a clean rag to clean the dirt in the distributor cover, remove the dirt at the distributor contacts, eliminate the traces of contact ablation, check the gap between high-speed contacts or the magnetic pole gap of the electronic ignition system, and lubricate all lubricating points of the distributor.

The third stage oil filter uses compressed air to blow away the dust from the air filter; Replace the fuel filter in time and clean the filter screen at the joint of the pipeline; Replace the oil and oil filter. For domestic cars, oil coarse filtration, fuel pre-filtration and centrifugal fine filtration should also be cleaned.

Check whether there is corrosion on the battery terminal, and wash the battery surface with hot water to remove the corrosion on the battery terminal. Measure and adjust the electrolyte specific gravity of the battery.

Check the coolant, replenish the coolant and clean the surface of the water tank.

Check the tire wear of the tire hub and replace the tire. Check the pre-tightening force of the hub and bearing, and adjust the pre-tightening force if there is a gap.

The brake system checks and adjusts the working stroke of the hand brake pull rod; Check and adjust the brake shoe clearance of drum hand brake; Check and adjust the free stroke of the foot brake pedal; Check the wear condition of the wheel brake shoe, and replace the brake shoe if it reaches the wear mark; Check and adjust the wheel brake shoe clearance; Check the supplementary brake fluid, etc.

Tighten and check the tightness of important bolts or threads of chassis, especially those of steering system. If there is looseness or defect, it should be supplemented and fastened.

Chassis Check whether there is any leakage in the pipelines of all parts of the chassis, check whether all metal connecting rods are fastened, check whether the rubber shaft sleeve is damaged, and lubricate all lubricating points of the chassis with grease.

Inspection and maintenance of automobile lighting, inspection and maintenance of refrigeration and heating devices, cleaning of audio system, etc.

5. Annual maintenance content

Check the ignition timing and adjust the ignition timing of the automobile engine. It is best to check and adjust the fuel supply timing of diesel engine in the repair shop.

Valve Clearance For engines with ordinary valves, check the high-speed valve clearance.

Clean, lubricate and wash the oil stains on the hinge mechanism of engine hood, door and luggage compartment, and readjust and lubricate the above mechanisms.

6. Maintain content every two years

The service life of antifreeze is generally two years. At that time, antifreeze should be replaced in the annual maintenance, and the cooling system should be thoroughly cleaned.

Brake system Due to the hygroscopicity of the brake system, the brake fluid is changed every two years. The first stop of automobile maintenance is www.86590.com.