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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
Help with grinding sound only in 4 wheel drive
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<blockquote data-quote="Coyote_695" data-source="post: 2010139" data-attributes="member: 71381"><p>Hey everyone, just joined about a month back as I got a new for me 18 Raptor. I’ve been reading a lot prior to buying the truck and even more so now that I own it. So far I’m really excited to have it. It a huge upgrade over the Nissan Titan I drove for the last 10 years.</p><p></p><p>Anyways, intros aside, I’m hoping I could get some thoughts regarding a grinding sound I’m getting that seems to be coming somewhere around the front passenger wheel. This is not the typical IWE noise and only happens in 4 wheel drive. 2 wheel drive works and sounds just fine. It is more pronounced in 4H but is also present in 4A and is most easily heard when decelerating/off throttle. The best way to describe the grinding is like the metal on metal sound you get from worn brakes or the sound you would hear from a lathe.</p><p></p><p>I have checked and confirmed the IWEs are engaging correctly, I’ve spun the wheels to check for drag and weird sounds, and I replaced the vacuum solenoid and check valve just to be safe. I also capped off the IWE vacuum to lock the hubs in 2 wheel drive to see if the noise would present itself in 2 wheel drive, which it did not. Brake rotors and pads are fine as well.</p><p></p><p>As far as I can tell, this is only happening when the differential/transfer case are getting power. </p><p></p><p>Is there a scenario where the IWE and hubs could make a noise like this in 4wd and not 2wd?</p><p></p><p>Is there anything else anyone would recommend looking into?</p><p></p><p>Here’s a link to a video of what this sounds like:[MEDIA=youtube]jK7uoC5hF54[/MEDIA]</p></blockquote><p></p>
[QUOTE="Coyote_695, post: 2010139, member: 71381"] Hey everyone, just joined about a month back as I got a new for me 18 Raptor. I’ve been reading a lot prior to buying the truck and even more so now that I own it. So far I’m really excited to have it. It a huge upgrade over the Nissan Titan I drove for the last 10 years. Anyways, intros aside, I’m hoping I could get some thoughts regarding a grinding sound I’m getting that seems to be coming somewhere around the front passenger wheel. This is not the typical IWE noise and only happens in 4 wheel drive. 2 wheel drive works and sounds just fine. It is more pronounced in 4H but is also present in 4A and is most easily heard when decelerating/off throttle. The best way to describe the grinding is like the metal on metal sound you get from worn brakes or the sound you would hear from a lathe. I have checked and confirmed the IWEs are engaging correctly, I’ve spun the wheels to check for drag and weird sounds, and I replaced the vacuum solenoid and check valve just to be safe. I also capped off the IWE vacuum to lock the hubs in 2 wheel drive to see if the noise would present itself in 2 wheel drive, which it did not. Brake rotors and pads are fine as well. As far as I can tell, this is only happening when the differential/transfer case are getting power. Is there a scenario where the IWE and hubs could make a noise like this in 4wd and not 2wd? Is there anything else anyone would recommend looking into? Here’s a link to a video of what this sounds like:[MEDIA=youtube]jK7uoC5hF54[/MEDIA] [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
Help with grinding sound only in 4 wheel drive
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