What are the cleaning steps of automobile air conditioner?

Recently, a reader called and asked how to clean the air conditioner of the car to prevent germs from entering. To this end, Fan, the technical director of Sanyuanqiao Toyota Center, was invited to introduce the routine cleaning methods of air conditioning system, including replacing the dust filter net and inviting investment for the golden advertising space in the rehabilitation park for patients with lithiasis and gout! We are looking for a new way to treat tinnitus and headache for deaf people! The new progress in the treatment of scar acne uses cleaning agents to sterilize the air conditioning pipes and evaporators, and then removes them for manual cleaning II. Replacing the dust filter is the simplest way, with low cost, but it can keep the air inlet unobstructed; The air conditioning ducts of the internal circulation system and the external circulation system shall be disinfected and sterilized respectively. The above two cleaning jobs can be completed by car owners with a little mechanical knowledge. Removing the front panel for manual cleaning is complicated and requires high technology. It is recommended that the owner hand it over to a special maintenance station. Air conditioning external circulation cleaning and disinfection, you can buy special cleaning agent for air conditioning. Take out the food and paper towels in the car before disinfection to avoid absorbing odor. Find the external air inlet of the car and open the hood if necessary; Start the engine and open the window; Turn off the AC gear of the air conditioner, turn the circulation gear to the external circulation, and turn the fan to the maximum; Inject air conditioning cleaning agent into the position with the strongest suction of the external air guide of the automobile; The cleaning agent will flow to the evaporator to clean the mold and dust adsorbed on the evaporator; After all injection, keep the fan running for 10 to 15 minutes; 10 minutes later, the dirty liquid is discharged out of the car through the drain pipe, and the air conditioner outlet sends clean air. To clean the internal circulation system of air conditioner, you can buy a special disinfection fumigation tank. Circulate the air conditioner to the maximum air volume, open the fumigation tank and put it at the foot of the passenger seat, and close the doors and windows. After 10 to 15 minutes, abandon the fumigation tank and open the doors and windows for ventilation. During disinfection, don't sit in the car, please take out the food and articles in the car, and wear gloves when discarding disinfection cans and spray cans.