Iwe ford f150 noise

2015 - 2020 Ford F150 - 2015 5.0 noise when accelerating up hill - hello, I was wondering if anyone has had any problems with a noise when accelerating. ... Problem turned out to be a leak in the vacuum lines causing a partial engagement of the IWE. This caused the screeching noise of the front hubs under a certain load. To fix the following ...

Iwe ford f150 noise. 2010 F-150 Grinding Noise When Accelerating. 23 posts 1; 2; Next; feldmann New Member Posts: 4 ... 2010 Ford F-150 FX4. Re: 2010 F-150 Grinding Noise When Accelerating. Post by zvince » Thu Oct 27, ... My 2010 is making the exact same noise in the video THGDriver shared I have changed the IWE's both sides, solenoid, check valve and even the ...

2015 f150 IWE. My IWE would make a grinding noise intermittently. The dealership said they was bad and replaced them. When I got the truck back it was making a humming noise that wasn't there before. The noise went away if I put it in 4 hi took it back and they said the new IWE was bad so replaced it again but that didn't fix the humming noise.

2021+ Ford F150 - F-150 2022 IWE Solenoid Location - I am looking for heIp in identify the location of the Solenoid location under the hood of my 2022 F-150. I have researched Youtube trying to find a video that shows the location however, all videos are of older trucks and it's easy to locate on the older models.2015 - 2020 Ford F150 - Another IWE issue fixed (check valve) - Just wanted to send more data out to the community. 2017 XLT 28k miles The truck would intermittently sound like the transmission is about to explode. The can of rocks noise came primarily from the front driver's side wheel. Only during power.2018 F150 has a intermittent issue at 1500-2000 RPMS with a rattle or grinding noise. This is how we fixed the problem. It was only a problem when the truck ...2009 - 2014 Ford F150 - Wheel bearing, IWE, or something else? Driver front noise. - I never got around to taking a video of this problem until today, but this noise has been present on the 2013 4x4 F150 for a couple years now. Truck has 56K miles. Attached two short video clips as YouTube links. You may need to...In a push to be more accommodating to small businesses, Ford is aiming to provide electric vehicles to the likes of plumbers and electricians. In a push to be more accommodating to...It's probably your IWE actuator. This is the part that connects the wheel hub to the CV shaft when you use 4wd. One way to test is unplug the IWE soleonid (passenger side firewall behind battery) and see if the noise goes away. Reply Like. 11-06-2010, 11:36 PM.

2017 F150 3.5 Eco Grinding noise. New to the group and have a question. Two months ago, I purchased my first Ford F150 with the Ecoboost. It is a 2017 with 40,000 miles. About a month ago, it started making a grinding noise like a fan was spinning and hitting something when accelerating. When I let off of the pedal, it stopped.2004 - 2008 Ford F150 - IWE vacuum grinding noise. - Had the IWE grinding noise from the driver side wheel, changed the solenoid. The sound was still there. Upon further investigation found a vacuum leak from the line going to the solenoid. Fix it and all is will.Jan 26, 2024 · Thread Starter. Join Date: Apr 2023. Posts: 6. Likes: 4. Received 0 Likes on 0 Posts. IWE issue and noise. Hello all. I believe I have got the IWE grinding/humming noise in the front end. Seems to go away in 4A and 4hi. The check valve seems to be working properly and I have good suction on my finger coming out of the solenoid. Ford Truck making Clicking, Grinding or Humming noises then this video is for youFord IWE https://amzn.to/3nDAaTnCanadian link https://amzn.to/330Iu9gBeer Do...2009 - 2014 Ford F150 - IWE Noise Troubleshooting - I have a 2013 Platinum 4x4 with just under 60k. I'm getting a grinding/humming/rumbling noise from (I believe) my passenger side IWE. It goes away when I put the truck in 4x4 auto (which engages the half shafts but not the transfer case). It only happens to me...2018 F150 has a intermittent issue at 1500-2000 RPMS with a rattle or grinding noise. This is how we fixed the problem. It was only a problem when the truck ...

2015 - 2020 Ford F150 - IWE? - Question for the mechanics. I think that I have a IWE that needs replaced. I have replaced the check valve, solenoid and hub assembly. I still have a rotational humming noise at around 40 mph and above. I unplugged the wiring harness to the 4x4 solenoid, which should engage the IWE to...Ford Motor News: This is the News-site for the company Ford Motor on Markets Insider Indices Commodities Currencies Stocks2004 - 2008 Ford F150 - IWE Solenoid Seems to be a common issue - I've read a number of posts on here involving problems with the IWE Solenoid. ... I'm writing because I've had the fun time of dealing with this grinding noise issue and I have learned a significant amount by fixing the passenger side on my own and having no 4x4 at one point. I ...No 2" Auto Spring lift Front and Rear. Also 1 1/4" Fred Goeske Wheel Spacers. 2015 - 2020 Ford F150 - IWE Replacement - Well I finally got time to replace the IWE. I will start off with yes I had the growling noise on the drivers side when breaking. So I pulled the solenoid connector to the vacuum system and that noise stopped.Past 24 Hours: 1. Past 7 Days: 4. Past 30 Days: 11. All Time: 8,952. I have a 2014 stx 4x4 that keeps having grinding and rubbing sounds coming from the front end. Sometimes it comes when just driving in 2wd the other times when shifting into 4wd. I took it to the dealership 3 times so far. The first time they said they replaced all 3 IWE'S.

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Buy IWE 4x4 Locking Hub Actuator(2 Pack) Replacement for 2004-2015 Ford F150 4WD 2003-2015 Ford Expedition 4wd 2003-2015 Lincoln Navigitor 2006-2008 Lincoln Mark LT ... Worked like a charm. No more grinding-humming noise. Recommend. Read more. Helpful. Report. Paul. 2.0 out of 5 stars Poorly made. Reviewed in the United States on January 14 ...Iwe noise on new truck. Thread starter Cgriff76; Start date Jan 17, 2024; Watchers 6; Prev. 1; 2; First Prev 2 of 2 ... F-150 Tremor, Bronco Raptor Jan 19, 2024 #16 Snakebitten said: I completely agree with you that Ford has programmed the trucks to intentionally engage the IWE (temporarily) once the ambient temps drop below some …2015 - 2020 Ford F150 - IWE issues 2018 / replaced IWE and solenoid - I have a 2018 f-150 lariat… 5.0 here is the dreaded IWE situation so far Replaced the Driver side Actuator & check valve & the solenoid. After replacing the actuator it quieted down at slow speeds… but now between 30-60 I can hear it grinding subtly...So, if you've seen some of my other videos on my 2017 F150. You'll notice this noise I was mentioning previously. My first visit to Ford (won't mention the d...

Thumping noise is there. Notice it more when outside temp is below 30. Also noise is louder when engaging the 4x4 vs keeping it in 2wd. Noise is coming from the front end. Truck just broke 3,000 miles. Dealer has no idea. First claimed that it was a common / normal noise with the F150 and just keep driving that it will go away.6 days ago · I disconnected the solenoid for now and the noise has stopped. Last edited by wingnut23; 04-28-2024 at 09:33 PM. I should have included: 2007 F-150 4.6L XLT ex cab. Maintenance Shop - IWE noise on only on left wheel. - Hello, I've read tons of posts about bad solenoids, vaccum leaks and check valves. Ford Motor News: This is the News-site for the company Ford Motor on Markets Insider Indices Commodities Currencies Stocks2009 - 2014 Ford F150 - 2012 4x4 Will not Disengage properly - I've tried searching to no avail. As the title says, if I am driving down the road and try to disengage the 4x4 the light goes off but the I hear a weird whirring noise, usually from front drivers side. The only thing that will make this go away is to...I originally heard a grinding noise from passenger side. Assumed it was the IWE system. I changed the solenoid and it went away for a couple days but came back. I checked the vacuum and it looked good. Changed the check valve. From there the sound changed from grinding to squeaking. It has only happened when I get off the highway …2015 - 2020 Ford F150 - 2019 F150 Lariat 4x4 - Grinding Noise - IWE? - Hey folks, I have a 2019 F150 Lariat 4x4 with 30,000KM and it has been making a groaning/grinding noise for the last couple months intermittently. It appears to be becoming more frequent - particularly when cold outside (Below 0ºC). The noise is...I recently replaced both IWE's chasing a metallic noise and $5,000 later I have a new transfer case and rebuilt front diff. Now a month after having that work I have the humming noise. ... F150Ecoboost.net is the best Ford F150 Ecoboost Forum with discussions on 2011+ F150 Ecoboost Trucks. Discuss performance mods, towing questions, wheels ...When the vacuum builds when the engine is started, the vacuum from the intake via a vacuum line exerts vacuum on the entire IWE system all the way to the actuators. The first check valve locks the vacuum at the highest vacuum that is exerted from the engine from that check valve down. The vacuum box now holds that highest vacuum exerted also.

2015 - 2020 Ford F150 - 2019 F150 Lariat 4x4 - Grinding Noise - IWE? - Hey folks, I have a 2019 F150 Lariat 4x4 with 30,000KM and it has been making a groaning/grinding noise for the last couple months intermittently. It appears to be becoming more frequent - particularly when cold outside (Below 0ºC). The noise is...

Reply. /. 2009 - 2014 Ford F150 - Noise Only in 2wd IWE ? - I have noise almost like a rubbing or humming when I am going under 20mph only when turning the wheel right and sometimes while wheel is straight and coming to a stop. I checked my IWE solenoid and I am getting good vacuum out there and also checked the vacuum at the...Jan 14, 2021 · This video is about the 2010 Ford F150 IWE issues I had.In my experience, the check valve is a wear item that should be replaced every 50,000 miles or 5 year... Likes: 1. Received 5 Likes on 4 Posts. 2016 Ford F150 SC 4wd IWE repair. I recently noticed a light grinding noise coming from my front end at slow speed and braking under 15mph. I read about some fixes for check valves, vacuum lines , and replacing both IWEs. I replaced the check valve and vacuum line assembly (FL3X-3A788-B) as outlined in TSB ...2015 - 2020 Ford F150 - IWE problem - I just started experiencing a grinding noise while in 2WD in my 2018 F150 XL with 5200 miles. I took it to a nearby dealer and explained how it just started but goes away if I switch to 4WD Hi. I did a lot of research first on this forum and Youtube.In my opinion if the pcm commands the IWE to engage, and it did engage FULLY, it would not result in the noise/vibration described. And the whole point of Ford finally moving away from vacuum actuated IWE was to eliminate the infamous "partial" engagement of the IWE. With the stepper motor, it should be far more reliable regarding …It sounds for all the world like a tire on a mudflap but quieter...a low growl, consistent with wheel speed but not constant...brraapp, brraapp, brraapp. A slight vibration can be felt in the steering wheel during the noise. Seems to go away when turning to the right or (maybe) when 4A is engaged. Seems to go away as speed and/or power is ...2015 - 2020 Ford F150 - IWE and Vacuum in cold weather only - I know there is a known issue with these IWEs/solenoid and the vacuum. At the end of last winter I started to hear the grinding noise coming from the front, I replaced the check value and the solenoid, that seemed to fix the issue. We are now approaching...

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ISSUE: Some 2004-2006 F-150 and 2006 Mark LT 4X4 vehicles built before 4/24/2006 may exhibit a noise in 2 wheel drive from the front Integrated Wheel Ends (IWE) and/or the 4X4 system being inoperative. The IWE solenoid may have ingested water and passed it to the IWE system causing water contamination in the vacuum portion of the system.A few months ago I added a BDS 2.5" level to the front end. Last week as I was driving I noticed a humming sound that seem to come out of nowhere and a noticeable vibration. It sounded like my tire was rubbing against a mud flap. I pulled over and check the wheels but saw nothing out of the ordinary. When I continued on my way, the noise was gone.Quote: Originally Posted by 2ndAmend. My 23 just did the rumble strip noise for the first time last Sat at 3400mi. Drove to my club in the morning 11deg, no prob. On the way home 15deg after about 2mi at 30-40, it suddenly started, continued for 7-8mi and suddenly stopped.This sub is dedicated to the Ford f-150 and discussion of anything pertaining to it. Members Online • BooomerSooner. ADMIN MOD Grinding noise while driving - possible IWE problem? So I bought a used 2020 Lariat about a month ago. After driving it a week I noticed a horrible grind noise that I felt in the peddle.2021+ Ford F150 '23 IWE Questions and Concerns; Topic Sponsor. 2021+ Ford F150 Discussion of the 14th generation F150. Sponsored by: '23 IWE Questions and Concerns ... EIWE noise? - Ford F150 Forum - Community of Ford Truck Fans @Ford Motor Co. what are you going to do about this, ...2009 f150 4WD not engaging HELP! Hi there, im new to this forum ive been having a hard time trying to diagnose my 4WD problems. I'm hoping someone has some knowledge on my issue so i can get it fixed for winter time. So after researching some videos on youtube and trying what they suggested im still stumped. The truck is a 2009 f150 5.4l.The Ford F150 is one of the most popular and powerful trucks on the market. It has been a staple of American roads for decades, and its reputation for reliability and performance i...Ford F-150 IWE Fix. No More Grinding Noise! MackenzieCustoms. 107 subscribers. Subscribed. 384. 26K views 2 years ago. Hey guys! If you guys have been …Unplug the vacuum line from your iwe solenoid, see if noise goes away, report back. Edit: the vacuum line from solenoid to actuators, not the line from solenoid to vacuum box / engine. Sounds like the iwe's are not pulling in thus turning the front diff full time which will make a little noise but shouldn't be excessive. ….

Some 2004-2006 F-150 and 2006 Mark LT 4X4 vehicles built before 4/24/2006 may exhibit a noise in*****from the front Integrated Wheel Ends (IWE) and/or the 4X4 system being inoperative. The IWE solenoid may have ingested water and passed it to the IWE system causing water contamination in the vacuum portion of the system.2015 - 2020 Ford F150 - IWE and Vacuum in cold weather only - I know there is a known issue with these IWEs/solenoid and the vacuum. At the end of last winter I started to hear the grinding noise coming from the front, I replaced the check value and the solenoid, that seemed to fix the issue. We are now approaching...2013-2018 Navigator. Summary. This article supersedes TSB 18-2273 to update the Parts List and Service Procedure. Issue: Some 2013-2018 F-150/Expedition/Navigator …Any advice would be appreciated. Yes, you can run it with the solenoid disconnected. No harm can be done and you could just leave it that way if you wanted. Reply Like. The following 2 users liked this post by Blue2016XL: johnday in BFE (12-12-2021), tjakes680 (12-10-2021) 12-10-2021, 02:34 PM. # 4.Feb 2, 2014 ... I had this problem a few year ago on my 2006 f150. The noise would come and go. I spoke with my mechanic and he kept saying that it was the ...Get it checked out the transfer case was quoted to me at 1500$ to replace labor included. 2009 - 2014 Ford F150 - Transfer case noise, IWE! Or Trans. - so I have a bringing noise in the front of ya 2012 Lariat with a4x4, my question it has anyone have to have there transfer case looked at because of a fringing noise.2004 - 2008 Ford F-150. Looking for recent topics? 2005 F-150 4x4 Grinding Noise in Front End Please Help!! 28 posts 1; 2; Next; techno101 New Member Posts: 3 ... As far as the IWE are concerned, the transfer case will not engage unless you turn the switch to 4h or 4l. Top. techno101 New Member Posts: 3 Joined: Sun Aug 09, 2009 1:49 am.Hmmm goes away when u engage 4wd sounds like it could be a universal joint gone bad...maybe all your bearings fell out. Its either that or my front axle isnt disengaging all the way...I pretty sure it uses vaccum to engage and disengage....Ill check that tomarrow. Id rather push a Ford than drive a Chevy.Re: 4WD seeming to remain "engaged". by tkstock » Thu Dec 12, 2013 9:02 pm. poptop1 wrote: you can test the iwe's with a vac pump one of the hand ones. jack the front wheel off the ground and spin the tire. the hub should be engaged then start the engine the hubs should disengage. if one or both don't pull the hose off the iwe its on the back ...2015 - 2020 Ford F150 - grinding on acceleration. IWE? - This morning I had grinding on acceleration. ... 2015 - 2020 Ford F150 General discussion on the 13th generation Ford F150 truck. Sponsored by: ... If the noise is horrendous and goes away when you put in 4X4 high and comes back intermittently when 4x2 then likely IWE issue. Take to the ... Iwe ford f150 noise, Next guess is you have a bad wheel bearing, but that is not a 2wd only thing. Option 1) help us help you by telling us what you are driving. Option 2) tell us what the shop found when you get it back in a few days. Option 3) if you are not going to do any work yourself, see option 2. Reply Like., Been experiencing a hum/howl from the front left of my 2022 F150. It’s happened 4 times now over the 5 months I’ve owned it. 3 times at the exact same spot, going 45mph and slightly turning right. It sounds like a wheel bearing hum or howl that lasts for 15-20 seconds then goes away. Almost sounds like going over a rumble strip on one …, 2015 - 2020 Ford F150 - Need help with my IWE noise please - Hello. I'm lost on where to go next. I have a 2018 2.7 lariat with 116000KM and starting experiencing what i thought was IWE related noises about a week ago. The noise happens accelerating or decelerating and only in around the 5-20 KM/hr speed. Never above..., Recently got this lift kit installed on my 22 f150 and when In 4x4 truck makes a popping noise while driving, any suggestions or has anybody faced something... Facebook Twitter ... 2018 Ford Explorer XLT, 2017 Ford Escape SE, F-150 Oct 28, 2022 #5 Okay…let’s back up. ... 2022 F-150 Lariat Supercrew 4x4 ; Antimatter Blue Metallic; 500A ..., Maintenance Shop - 2020 F-150 5.0L Rattling Noise When Accelerating - Hoping someone might be able to help me here. ... Maintenance Shop Keep your Ford F150 truck running strong. Discuss all things maintenance here. 2020 F-150 5.0L Rattling Noise When Accelerating ... Ford IWE Operation and Grinding Noise Explanation - YouTube ..., Hmmm goes away when u engage 4wd sounds like it could be a universal joint gone bad...maybe all your bearings fell out. Its either that or my front axle isnt disengaging all the way...I pretty sure it uses vaccum to engage and disengage....Ill check that tomarrow. Id rather push a Ford than drive a Chevy., 2015 - 2020 Ford F150 - IWE holding vacuum but not disengaging the hub..... - So I have a bit of an odd problem on my hands, I have read almost everything imaginable on the IWE system and have a pretty good understanding, but have no clue what is happening. ... noise returned... second time they looked further and found the vacuum leak that was ..., Unplug the vacuum line from your iwe solenoid, see if noise goes away, report back. Edit: the vacuum line from solenoid to actuators, not the line from solenoid to vacuum box / engine. Sounds like the iwe’s are not pulling in thus turning the front diff full time which will make a little noise but shouldn’t be excessive., Re: 4WD seeming to remain "engaged". by tkstock » Thu Dec 12, 2013 9:02 pm. poptop1 wrote: you can test the iwe's with a vac pump one of the hand ones. jack the front wheel off the ground and spin the tire. the hub should be engaged then start the engine the hubs should disengage. if one or both don't pull the hose off the iwe its on the back ..., When my iwe was making noise it got obnoxious to listen to, I'd toggle between 4wd and 2wd to sometimes get rid of the noise. You'll hear a slight ::click:: like a bike changing gears. ... F150Ecoboost.net is the best Ford F150 Ecoboost Forum with discussions on 2011+ F150 Ecoboost Trucks. Discuss performance mods, towing questions, wheels ..., by TJT » Mon Mar 16, 2009 1:40 am. TONY4848 wrote: To prove it the Solenoid, it mounted on the firewall behind the battery with a vacuum line going to it, turn the truck off and unplug the solenoid and restart the truck, if the noise is gone then it the Solenoid... I just tried this and the noise DID go away., Jan 27, 2021 · My F-150 developed a grinding noise in the front left wheel. Let's see what is wrong with it. , 2015 - 2020 Ford F150 - IWE Selonoid Valve Pop Noise - Last year I replaced the Vaccum lines on the IWE's. Everything worked great until today. Got the dreaded grind noise. It only does it whent he truck has sat overnight, after the intial starting of the truck I can drive it all day and it never does it again, til..., Last edited by k-stater88; 08-08-2023 at 08:43 AM. 2015 - 2020 Ford F150 - Noise ater IWE TSB sounds like mud tires - My IWE went out in the middle of a 6 hour road trip, so the dealer ended up putting in new hubs (so they claim). Ever since, it sounds like i have big mud tires on the inside of the cab (between 15-40 mph), but you can't hear it ..., 2010 Ongoing IWE Problems. jcowan, I'm interested to hear what you find. I'm in the exact same boat (exhaust leak etc). I have replaced the IWE actuators 4 times since truck was new, and the IWE solenoid once. I have verified that I have vacuum etc. (no detectable leak) but still engages accelerating and/or up hill etc., 2023 F-150 front end noise. I experienced this last week on my 2023 F-140 4x4 with 7500 miles after about a mile from the house. I freaked out and pulled off the road. I decided it sounded like a hub trying to engage like gear clash but the description was more like big knobby tire noise., 2015 - 2020 Ford F150 - Humming from front end - Hi guys I have this humming, grinding noise of sort coming from the front end that increases with speed. I've had IWE's replaced before and this definitely doesn't sound like the IWE's. The truck is lifted on 35 nitto ridge grapplers and it's definitely not the tire..., 2004 - 2008 Ford F-150. Looking for recent topics? IWE Solenoid. 11 posts • Page 1 of 1. Southpaw7391 New Member Posts: 2 Joined: Sun Aug 01, 2010 12:32 pm Truck: 2005 Ford F-150 Super crew. IWE Solenoid. ... possible problems, went outside to see if the noise was still present, drove around my neighborhood noise all gone, ..., No - replace the IWE assembly. Refer to WSM, Section 308-07A. Proceed to Step 11. Test the IWE vacuum supply lines. Disconnect the vacuum supply line at the left or right IWE and connect a vacuum gauge to the supply line as shown in Figure 4. Start the engine and allow it to idle for 5 minutes to build vacuum., 2021+ Ford F150 '23 IWE Questions and Concerns; Topic Sponsor. 2021+ Ford F150 Discussion of the 14th generation F150. Sponsored by: '23 IWE Questions and Concerns ... EIWE noise? - Ford F150 Forum - Community of Ford Truck Fans @Ford Motor Co. what are you going to do about this, ..., Jan 31, 2023 ... This grinding noise is caused by the 4x4 actuator not engaging with the wheel bearing. Actuator https://amzn.to/3DstLDe Wheel bearing ..., If one is bad, the other is likely similarly worn. Max, it could be the wheel bearings. The IWE issue almost always happens when the truck is cold and is driven in 2wd. Also, there are countless leveling kits out there, aluminum, plastic and fabricated. Some are well designed and others are Chinese knockoffs., General F150 Discussion - F150 grinding/scraping noise in front end. Only in 2wd. - Hi all, I have been experiencing a scraping/grinding noise that is coming from my front driverside when in 2wd. It is not a very loud or consistent noise but definitely noticeable, especially when going up hills. As soon as you put it..., 2015 - 2020 Ford F150 - IWE problem - I just started experiencing a grinding noise while in 2WD in my 2018 F150 XL with 5200 miles. I took it to a nearby dealer and explained how it just started but goes away if I switch to 4WD Hi. I did a lot of research first on this forum and Youtube., The noise isn't horribly loud, but I can easily hear it over the engine and road noise. This started a few weeks ago. The conditions I hear the noise in are. #1) 2-3K RPM. #2) Only while in motion. #3) While the engine is under load (over 50% according to my Edge programmer). #4) Only seems to happen once the truck has been running for a few ..., 2015-2020 f150 front end grinding noise iwe check valve check valve replacement buy OEM avoid aftermarket., 2015 - 2020 Ford F150 - 2015 5.0 noise when accelerating up hill - hello, I was wondering if anyone has had any problems with a noise when accelerating. ... Problem turned out to be a leak in the vacuum lines causing a partial engagement of the IWE. This caused the screeching noise of the front hubs under a certain load. To fix the following ..., Sep 14, 2023 · The Ford F150 IWE (integrated wheel end) is important for the vehicle to realize its complete potential. It's a system that utilizes a vacuum to lock the hubs when different drive modes are engaged. But this system can develop its own faults just like every other vehicle system. The F150 IWE noise can sound like "grinding". , Ford F-150 transfer case problems include fluid leaks, noise and vibration, difficulty engaging four-wheel drive, overheating, incorrect fluid use, and electronic malfunctions. Solutions involve seal replacement, component inspection, shift motor check, cooling system maintenance, using proper fluid, and diagnostic assessments., To test the vaccum system, get a good vacuum pump with a guage on it, about $60 (or cheaper) at alot of parts stores. -If when you try to shift into 4WD and it will not engage, most likely your solenoid is not working and releasing the vacuum to the actuators and engaging the hubs. Replace the solenoid., The TSB from Ford, instructs the tech to pull a vacuum on the actuater prior to inserting the axle shaft, in order to pull IWE into the disengaged position. Really neither needs to be done. Just watch the video, a lot can be gained in it. I've used this same procedure at least 5 times on my own trucks with good results., The dealer replaced the left front hub assembly, it still made the grinding IWE noise. I replaced the check valve and it reduced the frequency of the grinding noise by 90% but once in a while it still occurs. ... F150Ecoboost.net is the best Ford F150 Ecoboost Forum with discussions on 2011+ F150 Ecoboost Trucks. Discuss performance mods ..., Update: Dealer is awaiting a part from Ford which is currently looking to come in 2/8, but that date could change. I am hopeful but skeptical the IWE replacement will solve this as the dealer went above and beyond and even attempted to swap another IWE off another brand new 23 F-150 on their lot and now they both make the noise.