What are the solutions for car air conditioning not cooling?

[Josh]

Solutions for car air conditioning not cooling: 1. If the fuse is blown, replace it; 2. If circuit wires are loose or disconnected, repair them; 3. If the air conditioning unit is faulty, repair or replace it; 4. If the compressor belt is loose, slipping, or damaged, adjust its tension or replace the belt; 5. If the compressor's suction and discharge valves are not working properly, repair or replace the discharge valve; 6. If the electromagnetic clutch is not engaging well, repair or replace it; 7. If the filter screen in the liquid storage tank is clogged, clean, repair, or replace it; 8. If the expansion valve is opened too wide, preventing refrigerant from evaporating in time in the evaporator, clean, repair, or replace the expansion valve. When adjusting the expansion valve, observe the low-pressure side pressure while making adjustments.