Rear End Issues

[mrmo]

Not sure what sensor ya'll are talking about. I have a max tow , no LSD, No lockers and I tow or am on trails all the time when taking it out for exercising. However, just went in with 21,000 miles on and was told my rear diff fluid was shot and needed replaced. I passed since I'm having the 4.10's removed & 5.13 gearing installed in the next week or 2. But Diff oil needs changed at 21k miles? Hmmm, sketchy. and was told Transfer case oil was already breaking down and would need changed soon. Off road travel trailer is less than 4k lbs.

They are full of crap, either fluid should have a service life of 40-50k miles, however I am a believer of changing differential fluid after a few thou miles due to break in, then go for 50k

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[Chefpeople]

Funny, I just posted the same thing. My 2021 has only 5700 miles, never towed anything and now I am waiting on a new rear end?