Why does my radiator fan stay on all the time?

Why does my radiator fan stay on all the time?

Radiator Fan stays on. No A/C Ok. Looked everywhere and can’t find anything about this. My radiator fans are all out off whack (simply put). They run from the time i turn the truck on to the time I shut it off. minutes and kick back on. Slow then fast then back to slow. No check engine light.

What are the signs of a bad cooling fan?

Common signs include the engine running hot and cooling fans either not functioning or running all the time. 1. Engine running hot 2. Cooling fans do not function 3. Cooling fans stay on at all times Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool.

How long does radiator fan stay on in Chevy Silverado?

They run from the time i turn the truck on to the time I shut it off. minutes and kick back on. Slow then fast then back to slow. No check engine light. No overheating. The gauge on the dash reads between 185 and 210. No effect on my truck’s performance. The only thing affected is my A/C. between 40 and 70 degrees outside.

Is it normal for a car fan to still run after you shut it off?

That’s normal, especially given where you live. Engines are still hot when you shut them off, the fans need to run to continue removing heat from the cooling system.

Why does the radiator fan stay on all the time?

If your radiator fan stays on all the time when the car is started or with the ignition being on we will explain what is causing that. Radiator fan should not stay on all the time. The radiator fan is supposed to be activated at certain coolant temperature or the radiator might be on if you have the AC turned on.

Is it normal for a car fan to run all the time?

This is normal in many vehicles, such as BMW or Mercedes-Benz. The radiator fan may run up to five minutes and sometimes longer. Unless there is an electrical issue, it may stay on all the time until it drains the battery. When the engine is running, the coolant circulates from the engine and flows to the radiator, where heat is dissipated.

Common signs include the engine running hot and cooling fans either not functioning or running all the time. 1. Engine running hot 2. Cooling fans do not function 3. Cooling fans stay on at all times Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool.

How much does it cost to fix a Ford Rad fan?

Ford charged $520 for a $50 fix. 6 people found this helpful. If you can, check the pressure on the high side of the ac system. If you need a manifold set, they’re only about $25 on Amazon.

3. Cooling fans stay on at all times. If the cooling fans are staying on at all times, this is another (less common) symptom of a possible problem with the cooling fan relay. If the relay shorts internally, it may cause power to be permanently switched on, which will cause the fans to run at all times.

Should radiator fan work all the time?

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.

Why does the radiator fan run all the time?

The radiator fan may run up to five minutes and sometimes longer. Unless there is an electrical issue, it may stay on all the time until it drains the battery. When the engine is running, the coolant circulates from the engine and flows to the radiator, where heat is dissipated.

They run from the time i turn the truck on to the time I shut it off. minutes and kick back on. Slow then fast then back to slow. No check engine light. No overheating. The gauge on the dash reads between 185 and 210. No effect on my truck’s performance. The only thing affected is my A/C. between 40 and 70 degrees outside.

Is it normal for car fan to stay on too long?

You are right to be concerned, as this amount of time could drain the car’s battery, which would leave you having to jump-start your car. It’s normal for some vehicles to have a fan run for a few minutes after the car is shut off, generally to keep the engine cool.

When does the cooling fan come on or off?

I’ve read that the cooling fan will run the whole time when either the A/C is on or the vent control is set to defrost, regardless of whether the engine is cold or hot. In my case, the cooling fan comes on when the engine is cold, even with the HVAC off and it will remain running at full speed when the engine is running, again with the HVAC off.