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4X4 IWE grinding CURE?

Old 01-08-2018, 10:07 AM
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Originally Posted by Annapolis View Post
Thanks, I actually dropped my truck of at the dealer this morning because the drivers side has intermittent issues with the IWE. If they don't fix it ill buy and install one of these.
No problem.
May I suggest you just go ahead and get the valve anyway? Chances are good, they'll just replace the IWE at most, and not do anything else. Plus, they'll only change out the IWE if it acts up on them.
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Old 01-08-2018, 10:57 AM
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Originally Posted by johnday View Post
No problem.
May I suggest you just go ahead and get the valve anyway? Chances are good, they'll just replace the IWE at most, and not do anything else. Plus, they'll only change out the IWE if it acts up on them.
Yeah thats been a problem, Mine really happens a lot more in colder weather. They've had it once before and it didnt happen. This time I dropped it off pretty early to test it when it was super cold.
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Old 01-08-2018, 11:17 AM
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Originally Posted by Annapolis View Post
Yeah thats been a problem, Mine really happens a lot more in colder weather. They've had it once before and it didnt happen. This time I dropped it off pretty early to test it when it was super cold.
It does seem like temps affect it more, I noticed mine when I think the temps dipped down below freezing. A couple guys it happened to well above that.
Good luck, please let us know what they do.
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Old 01-08-2018, 12:44 PM
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Don't want to woof too soon, but it appears the check valve fixed my IWE moaning. Happened 3 times last week during freezing to sub-freezing temps. Truck is 2016, build 6/2016, with 6,000 miles. Put the valve in Friday night and have had 4 test drives since, 3 in sub-freezing temps and no problems at all. Thanks again JOHNDAY!!!
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Old 01-08-2018, 01:02 PM
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For those trucks still under warranty....
I wonder if doing this little trick (installing a secondary solenoid/valve)), will affect warranty claims?
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Old 01-08-2018, 01:15 PM
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Originally Posted by johnday View Post
It does seem like temps affect it more, I noticed mine when I think the temps dipped down below freezing. A couple guys it happened to well above that.
Good luck, please let us know what they do.
They just called, replacing the IWE...I'll get a check valve anyways though. Hopefully it'll help as it has others.
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Old 01-08-2018, 01:47 PM
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Originally Posted by Annapolis View Post
They just called, replacing the IWE...I'll get a check valve anyways though. Hopefully it'll help as it has others.
Iíd replace it but, what I would do is drive it awhile without replacing it just to see if it comes back. Then replace it if it does or after a certain amount of time if it doesnít. This will tell you if what the dealer did fixed it or the check valve. Otherwise, you may always wonder. That is where I am at. I replaced the solenoid and the check valve (well service manager did the check valve) at the same time. Without putting the old solenoid back on I wonít know for sure. I donít have either to test now. John should have my old solenoid today and the SM swapped the check valve from another truck.

It is a 30 second or less repair job if all you are doing is remove and replace and it will be intermittent so not a lot of damage will occur if it comes back before you replace it.
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Old 01-08-2018, 02:29 PM
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Originally Posted by SCORGE View Post
For those trucks still under warranty....
I wonder if doing this little trick (installing a secondary solenoid/valve)), will affect warranty claims?
I'm electing to not install the second check valve for this reason- at least until my warranty expires. However, you could always just get a second oem line to throw on before taking it to the dealership (not sure how much of a hassle that would be).I'll definitely have a couple backup check valves ready in the glovebox, though.
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Old 01-08-2018, 02:50 PM
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Good write up John. Since its in general and does kind of cover many years I'll add for us 11th gen folks that my solenoid went bad. The symptoms were no 4x4 light on the dash. Everything else worked as it should have. The 4x4 would engage but just no light on the dash in 4 HI, the light and everything worked in 4 LO. It was a 10 minute fix and a $30 part at all of my local parts stores.
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Old 01-08-2018, 04:02 PM
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Originally Posted by BadFish523 View Post
Good write up John. Since its in general and does kind of cover many years I'll add for us 11th gen folks that my solenoid went bad. The symptoms were no 4x4 light on the dash. Everything else worked as it should have. The 4x4 would engage but just no light on the dash in 4 HI, the light and everything worked in 4 LO. It was a 10 minute fix and a $30 part at all of my local parts stores.
Thanks Badfish, after I wrote it, I planned on waiting to see what kind of response it would get. Would this make a good sticky?
Cool that it worked for ya!!
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