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Son drove the truck to school and back, apparently popped it in 4hi

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ixo

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Thanks all for the replies. I've been keeping a close eye on it and seems okay. Teaching moment for the boy... "the dial itslf is sports mode, etc, but don't use the thumb switch" :)
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4HI works great on wet pavement for blazing off from a red light… Turning though is better left for OR or 2WD
 

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This is my first truck, has about 1500 miles at this point.

Son drove my truck to school yesterday and apparently was poking around on the knobs etc, and put it in 4hi. I know you should avoid using 4hi (and lo) on pavement and tight turns, it's best when the wheels are slipping independently, and turns can bind the driveshaft, etc.

We're talking maybe 10 miles tops here for the full round trip, no freeway, maybe 40mph top speed? So not all day or anything, and I'm not sure if it was on the way to school or back. I immedately noticed it felt different this morning, and it took me a sec to realize what was off (it being in 4hi). This is nothing major to worry about, right? I want to just use it as a learning lesson for him (he just got his license) but also don't want to make anything worse or not give it attention if it needs it.

Am I overthinking this?
You should thank your son :) The user manual says on Page 404 to drive in 4 wheel drive for about 10 miles per month to ensure proper lubrication of front drive components.
 
 






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