Ford F150 Fan Clutch Noise

In most cases fan blades are designed to flex up to 1 2 inch 1 3 cm.

Ford f150 fan clutch noise.

Start the engine raise the hood and wait for the fan to engage. Loose rattling pieces send a loud and clear message that you need to have your fan clutch replaced. Give the water pump hose a quick jostle as well to see if the problem might lie there. Any more than that could compromise the efficiency of the unit.

I often can t hear the flowmasters at idle. 2009 2014 ford f 150 skip to main content. Excess fan noise at high speed is caused by the same problem a seized fan clutch. My 97 4 6 truck makes noise.

Bhurry turn your ac off and see if the fan still stays on. It should kick in once the engine reaches operating temperature and shut off after cooling the engine for a bit. 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. It doesn t look like any fluid is leaking.

The loud sound could come from your fan clutch for the same reason your fan stays on. Silicone fluid leaking from the fan clutch would cause this problem. It s happened after running for about 1 2 minutes and it ll happen after driving a while as well so it s not. Let us know what engine size your f 150 has so that we can possibly get more information for you.

If it does move to the next step. Fan spins after engine shut down might indicate a weak clutch. It s a rotational kind of whooshing noise not rpm dependant sounds like it s coming from the front of the engine. 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.

This can cause bearing damage radiator damage if the blades flex too far or even shatter a plastic fan. I think it s the fan clutch.