Why does my radiator fan come on when I start my car?
If the fan comes on, you may have a bad temperature sensor or gauge. 2. A cooling fan temperature switch (or sensor, in some vehicles) can also get stuck, which may cause the fan to run continuously any time you turn the ignition key on or start the engine. Troubleshoot the switch.
Is the fan in a car supposed to run constantly?
An electric fan SHOULD NOT run all the time. A mechanical fan WILL spin as long as the engine is running, but it will only ‘lock up’ when needed. Both radiator fans should always run when the coolant temperature sensor in the bottom tank of the radiator reaches about 212*F.
How do I know if my cooling fan is bad?
These are the most common signs of a faulty radiator fan assembly in need of replacement:
- Engine Overheating. When the radiator fan isn’t functioning properly, it is not able to adequately cool down the car’s engine.
- Air Conditioner Function Diminished.
- Loud Noise Coming From Radiator Fan.
When does the radiator fan come on in a Toyota RAV4?
From your descriptions your RAV4’s fans are operating properly. The only time my radiator fan comes on is when I’ve been at idle for awhile and it depends on what the outside temperature is. Is your temp gauge showing you are overheating and the radiator fan is still not on?
When does the cooling fan turn on on a Toyota?
The Toyota’s fan only turns on when the coolant reaches a certain temperature, which is measured by a sensor. This sensor switches the cooling fan off and on as needed.
Why is the a / C not working on my Toyota RAV4?
(2008, RAV4, V6) When i start the car, without switching on the A/C, i expect the fan to go on, but it doesnt, hence the hood gets hot after driving for few minutes, how do i solve this pls?, Also i tried switching on the A/C and drive for few minutes yet the hood still get hot, i prefer the fan to go on immediate i kick the car, pls help.
Why are the cooling fans not working on my car?
1. Engine running hot 2. Cooling fans do not function 3. Cooling fans stay on at all times Average rating from 129,472 customers who received a Vehicle Engine Cooling Inspection. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool.