front end noise ,not wheel bearing. not constant. sounds like a rotation grind


Asked by Mar 27, 2017 at 10:30 AM about the 2001 Ford F-150 Lariat Crew Cab 4WD SB

Question type: General

22 Answers


Front brake pads worn out.


No. It is a deeper sound.Sounds like a slower rotation than wheel


Front of the engine? Idler pulleys or a water pump? Or is it when you turn the steering wheel...


not engine related. Only when moving. At 20 mph it grinds around 1-2 seconds intervals and speeds up when I go faster

1 of 1 people found this helpful.

Sounds like it is in the driveshaft. Have the u-joints checked.




You know, it can only be so many things, just take it into a garage to be looked at or get under there and check it out.




Could the rotors on the front be warped? Pickups are good for warped rotors if lugs are tightened in excess of specs. At highway speed, if you apply the brakes you can usually feel the pulsation of a warped rotor.


it is not the rotors, it sounds like a shaft bearing of some type. slow rotation compared to the speed of the wheels rotation, like it is geared down.


So is the transmission shifting properly?


What a shop would do is place the vehicle on a lift, let the engine run in 2WD drive and 4 WD and see if they can locate the problem with the wheels turning off the ground. They could probably locate the problem at idle with no weight on the suspension if drive line related.

Best Answer Mark helpful

My 2018 F150 is doing the same thing, started at about 4000km. Sounds like metal on metal, like when you lose a brake pad. It shakes the whole truck. The dealer doesn't know what it is, keep telling me it must be stones between the caliper and the rim. Ford needs to get to the bottom of this, I know of three other 2018's doing the same thing.


We have a 2016 F150. The dealer service guy says Ford are aware of the issue (shaft bearing). We took it in 3 months ago and they greased it, that lasted around 7 weeks. Brought it back in, did it again. Went today and they are now replacing them (but told us the problem will re-occur until Ford figure this out. In my mind, we have been sold a faulty vehicle. I am not happy with having to go to the service shop every 8 weeks and drive a rental vehicle. I'm in shock that this has been a problem (apparently since 2011). Apparently the answer is for a sealed unit (sorry I am not mechanical) but Ford have not come up with the goods?

3 of 3 people found this helpful.

Thank you I am having the same noise. It is intermittent and really starts up after making a hard left turn. Is this safe to drive?

1 of 1 people found this helpful.

Guru59PLX Have you had any fix to this issue yet. I just took it to the dealer today and at the end of the day they said they really didn't know what to do. They greased something and cleaned off "excessive brake dust" (bunch of BS) and it still did it pulling away.


I have a 2015 F150 doing the same intermittent low dull grinding sound. Sounds like driver side. I changed the pads with no change in results. I usually hear it while slowing down but occasionally hear it going a steady pace. Never hear it going 35mph+.

1 of 1 people found this helpful.

Hey guys, this was definitely an issue with the IWE. The dealer ship had my truck a couple different times and didn't come up with a fix. After reading a few posts I took it in again and let them have it for a week. I told them I believe it has something to do with the IWE. It is exactly as you all describe it, grinding when going slow or turning and don't hear it at higher speeds. Also, it goes away when you shift into 4A or 4H 4L. They found that the vaccum line was loose on one side and it seems to have fixed the issue. We will see.

2 of 2 people found this helpful.

2015 F150 with similar issues. Dealer said to was the rotors were warped. They have now tried to correct three times and it comes and goes. Talked to a different rep at the dealer when leaving. He said it sounds like an common issue with the 4WD actuators. Ford is aware and will fix it but only if you push the issue. I have not had mine back it yet to correct. One note... whenever mine does it the gas mileage falls sharply.

Hub assembly. My front right went bad and the whole rim broke off. Only the caliper was holding the rotor. Changed it out 3 months ago. Now the left side is making the same noise.

I am having the same problem with my 2018 F-150. Limited 4 X4 (2 month old w/3,100 miles) I notice the rotational grinding after my vehicle sits for more than 6 hours. As soon as I put it in drive the noise starts under light acceleration and lasts anywhere from a few moments to a half mile of driving then stops. After reading this thread I am going to take it back to the dealership. Wish I would have read this thread first before dropping $50 G's. If this has been an ongoing problem with this model how did it ever make Truck of The Year???

It should be mandatory for Ford engineers to drive the vehicle for at least 1 year before releasing it for sale....

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