It s been running a very loud fan noise will kick on intermittently for about 10 15 seconds and then turn itself back off again.
Ford f150 fan clutch noise.
Silicone fluid leaking from the fan clutch would cause this problem.
Fan spins after engine shut down might indicate a weak clutch.
If it does not engage you have a bad fan clutch.
In most cases fan blades are designed to flex up to 1 2 inch 1 3 cm.
It s a rotational kind of whooshing noise not rpm dependant sounds like it s coming from the front of the engine.
I think it s the fan clutch.
Many ford f150s around and including the 2015 model have insanely loud cooling fan noise that begins as soon as you turn the ignition on and stops only when.
It s happened after running for about 1 2 minutes and it ll happen after driving a while as well so it s not.
If it does move to the next step.
2009 2014 ford f 150 skip to main content.
I often can t hear the flowmasters at idle.
Bhurry turn your ac off and see if the fan still stays on.
Any more than that could compromise the efficiency of the unit.
The loud sound could come from your fan clutch for the same reason your fan stays on.
A faulty fan clutch that leaves the fan permanently engaged will not only cause a noisy engine but can also cause a decrease in performance.
A stuck fan clutch will cause excessive unnecessary drag on the engine which can cause a drop in power acceleration and fuel efficiency sometimes to a quite noticeable degree.
Loose rattling pieces send a loud and clear message that you need to have your fan clutch replaced.
This can cause bearing damage radiator damage if the blades flex too far or even shatter a plastic fan.
It doesn t look like any fluid is leaking.
Excess fan noise at high speed is caused by the same problem a seized fan clutch.
My 97 4 6 truck makes noise.
Start the engine raise the hood and wait for the fan to engage.