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What's that noise?

 
Old 02-12-2019, 02:51 PM
  #11  
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DK in NC , do what blue2010xlt said. Likely it's the checkvalve, just buy a new one, cheap and easy fix. If that doesn't do it, get back on here and let us know.
Since you've got a Lariat, with 4A, just drive it in 4A until you try the valve. Won't hurt a thing, grinding should stop, and you won't do anymore damage to the IWEs.
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Old 02-12-2019, 02:53 PM
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Originally Posted by WiKDMoNKY View Post
Ya, it was weird, but I guess I will chalk it up to being something got stuck under there somewhere on the freeway and worked itself loose.

Thanks!
when my 2004 first had IWE failure I was on the freeway and I coulda sworn i had picked up a section of chainlink fence and was dragging it down the road.
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Old 02-12-2019, 02:56 PM
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Originally Posted by WiKDMoNKY View Post
Even in my case with RWD and no 4WD?
No, you don't have IWEs or any other 4X4 related parts.
If you start a thread, mentioning RWD in the title and mention the noise, you'd likely get guys that could help you more. Just off the top of my head, I'd have the brakes checked, look for a stone between backing plate and rotor, loose heat shield.
Chances are the noise won't return.
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MR G (02-12-2019)
Old 02-12-2019, 03:28 PM
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Originally Posted by WiKDMoNKY View Post
Ya, it was weird, but I guess I will chalk it up to being something got stuck under there somewhere on the freeway and worked itself loose.

Thanks!
That would be my guess as well. Now that you mention it, someone else that was complaining about IWE noise that turned out to be a stick on top of a heat shield. I had a rock make similar sound on top of a heat shield on a previous vehicle.
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Old 02-13-2019, 05:26 PM
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Originally Posted by DK in NC View Post
Yesterday on the way home, my 2018 made a noise a couple of times that sounded somewhat like something was caught under the vehicle and being dragged, but only lasted about 2 seconds each time. Did it again this morning but sounded more like it was coming from the front driver's side wheel, but I can't say that for sure. Each time was at speed on the interstate. It also did it just briefly as I made a turn this morning. The noise does not sound or feel like grinding and it's not during braking. Truck is in 2WD and I've used my 4A only about 4-5 times in the year I've had it and had no issues. My first guess is something to do with the IWE, but I'm not familiar with what that sound usually is. I know it's difficult to give a guess without hearing it, but wondering if anyone else had a similar impression of this type of sound from their truck. Any suggestions?
Sounds like it might be the 4WD Actuator - mine (2015) has been replaced, both sides a couple of times - both sounded exactly as you describe. Common problem.
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Old 02-18-2019, 06:10 PM
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As a follow up to this, my dealer fixed it under warranty today. I was scheduled to take it in for regular service and told them I wanted this issue looked at. Showed them the video above and the part number referenced to fix it. I was prepared for the runaround from them but I'm happy to say there was no problem getting it fixed.
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Old 02-18-2019, 07:42 PM
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Originally Posted by DK in NC View Post
As a follow up to this, my dealer fixed it under warranty today. I was scheduled to take it in for regular service and told them I wanted this issue looked at. Showed them the video above and the part number referenced to fix it. I was prepared for the runaround from them but I'm happy to say there was no problem getting it fixed.
So what exactly was the problem?
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Old 02-18-2019, 09:11 PM
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Originally Posted by Threeper88 View Post


So what exactly was the problem?
Vacuum reservoir check valve was bad.
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Old 02-18-2019, 09:21 PM
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Originally Posted by DK in NC View Post
Vacuum reservoir check valve was bad.
Nice, best case scenario.
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Old 02-19-2019, 08:08 AM
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Originally Posted by DK in NC View Post
Vacuum reservoir check valve was bad.
I'll send my invoice over for expert pre-diagnosis!
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