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