What does it mean when your car fan stays on?
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. However, if the fan is running for an extended period, the fan itself can become damaged due to overuse. It’s possible you may have a module or relay failing in your car.
Why does fan run after car off?
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. However, if the fan is running for an extended period, the fan itself can become damaged due to overuse.
Is there a problem with my fan clutch?
Discussion in ‘ Freightliner Forum ‘ started by truckerbangin, Feb 4, 2015 . Good day all i my engine fan is on all the time the solenoid works fine but the fan clutch wont disengage. is there any other ways to test the fan clutch to see if its bad?
How does a torque limiting fan clutch work?
A torque-limiting fan clutch reacts to engine speed. A centrifugal valve opens to allow the flow of heavy silicone fluid, locking the fan blades to the pulley. At idle and low engine speeds, this fan clutch is fully engaged, gradually disengaging as engine speed increases.
How long does it take for a fan clutch to come to life?
After 4-5 minutes, the fan clutch should come to life. Assuming it doesn’t, or that it’s sluggish when it finally gets moving, it may be on its last legs. The same is true if the fan speed accelerates as soon as you start the vehicle.
When to know if your car fan clutch is binding?
Activity that’s louder than normal may indicate binding. A binding fan clutch will typically be accompanied with warm air flow from the A/C, since the fan isn’t turning the way it should be. Start your vehicle and listen for the fan to engage. Give the engine a little time to warm up. After 4-5 minutes, the fan clutch should come to life.