2009 2014 ford f 150 skip to main content.
Ford f150 fan clutch noise.
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.
Let us know what engine size your f 150 has so that we can possibly get more information for you.
The loud sound could come from your fan clutch for the same reason your fan stays on.
This can cause bearing damage radiator damage if the blades flex too far or even shatter a plastic fan.
Bhurry turn your ac off and see if the fan still stays on.
If it does not engage you have a bad fan clutch.
Give the water pump hose a quick jostle as well to see if the problem might lie there.
Start the engine raise the hood and wait for the fan to engage.
Fan spins after engine shut down might indicate a weak clutch.
I think it s the fan clutch.
Any more than that could compromise the efficiency of the unit.
If it does move to the next step.
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.
It s a rotational kind of whooshing noise not rpm dependant sounds like it s coming from the front of the engine.
My 97 4 6 truck makes noise.
It should kick in once the engine reaches operating temperature and shut off after cooling the engine for a bit.
It doesn t look like any fluid is leaking.
It s happened after running for about 1 2 minutes and it ll happen after driving a while as well so it s not.
Silicone fluid leaking from the fan clutch would cause this problem.
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.
Excess fan noise at high speed is caused by the same problem a seized fan clutch.
Loose rattling pieces send a loud and clear message that you need to have your fan clutch replaced.