Radiator Fan Not Working When Ac Is On

Just because the radiator fan is not on does not mean that it is not working.

Bathroom fan box. I replaced water pump and radiator and coolant temp sensor. Atjohnblack i checked it while it is on cold state but then when turn the ac on the radiator fan turn on so i let the ac on while i drive my car after 30mins driving if i turn the ac off the radiator fan still dont work even the radiator temp was hot. At tallra1 i already checked the wirings and its all in good shape but i havent check yet the main thermo switch.

When i turn on the ac the fan works and keeps the car cool. My 2013 hyundai i10 has one fan and as far as i can see one coolant temp sensor. So do not worry if the fan doesnt immediately start working.

When the ac is of the radiator hoses both become same heat after a while and the overflow reservoir starts boiling over and the fan do not kick in. Do you have a dodge caravan chrysler town and country or plymouth voyager van and are experiencing an overheating condition while in traffic or at stops but. If the radiator fan is not working its a serious problem.

The ecu signals the radiator fan to work at the precise time. However the radiator fan does not always start spinning on ignition. The engine may transfer heat into the coolant faster than the radiator can dissipate it and even if the fan does work it may not be able to create a strong enough airflow through the radiator to correct the.

Visually check the fan if you dont hear its noise.