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Why does the radiator fan turn on when the AC is on?
When the AC compressor is activated, it is actually expected that the radiator fan runs. For instance, the radiator fan is needed when the temperature sensor of the cooling fluid in the lower tank reaches approximately 212F.
Why is my car AC cycling on and off?
Built-in ECU Programming Again, this is normal operation. If you do find that your car’s air conditioner compressor is cycling on and off too quickly, then it likely indicates that your vehicle’s electronic module is failing.
Should the fan turn on when AC is on?
Keeping your fan on AUTO is the most energy-efficient option. The fan only runs when the system is on and not continuously. There is better dehumidification in your home during the summer months. When your fan is set to AUTO, moisture from cold cooling coils can drip and be drained outside.
How does a fan clutch work on a radiator?
A thermal fan clutch reacts to temperature of the air rushing over it from the radiator. As the radiator heats up, the air passing through it also heats up. This heats up a small bi-metallic coil in the face of the fan clutch, releasing an internal valve.
When does the a / C CLUTCH turn on and off?
After a while it starts to engage for few seconds and than back off for about 10-15. While A/C clutch is engaged, pressure gauge shows it to be on bottom side of green.
What happens when the clutch on the Air Conditioner breaks?
Without the clutch, the compressor doesn’t receive any power from the engine, so you are left without air conditioning. When the compressor clutch breaks, the bearing inside the compressor can become damaged as well.
What should I do if my air conditioner clutch is spinning?
The clutch allows the compressor pulley to engage or disengage from the motor, ensuring it is only running when it should. If the clutch seizes, normal action cannot continue. Look at the front of the compressor while the air conditioning is running to see if the clutch is spinning.