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1st gear is short, but I don't know why anybody would complain about 2nd gear being too short. If anything, it's too tall and we just don't have a high redline. Tall 2nd gears (not talking about ours) are super annoying at low speeds because the engine wants to bog down and barely move. The...

The SR/SR5 do not have them.

Uhhh....no.

I don’t use the fluids I mentioned in the diffs. The OP is about the transfer case and I only mentioned my t-case and manual transmission.

The OEM t-case oil is too expensive and there is zero reason you “need” to use it. I run the same 80W-90 GL4 manual transmission oil in both my manual transmission and transfer case. The OEM t-case fluid, while fine, is simply for fuel economy. You do not need it for the transfer case to...

No—we’re not doing this again. You’ve already made your position clear, and you’re not engaging with the actual topic of the thread.

Seriously, don't bother. It just turns into more rounds of irrelevant, word-salad responses that don’t address the topic. He’s not engaging with what the thread is actually about, so there’s really no point. He’ll just keep defaulting to “trust the manufacturer” while everyone else is actually...

That’s gonna be difficult since the shift tower is an extended version on this transmission. I donated one to the guy at Core Shifters but nothing has come of it yet. Honestly, I love the long throws personally. But I get why some don’t.

Swapped back to stock. During that time, I measured everything. Driveshaft: 0° slope T-case flange: 6° pointing up Front diff flange: 0° pointing straight back Obviously that isn’t ideal. Those flanges should be parallel to run correctly. There is also a lateral front driveshaft offset of...

While phasing probably contributes in some way, it seems to be an intentional choice regardless. I received the new driveshaft today and installed it. Before doing so took a comparison photo. The two are practical identical besides the phasing. Old on top, new on bottom: Unfortunately the...

Visually, the only differences on mine are TRD OR wheels and slightly larger tires, and the rear ARB bumper.

I've noticed it on mine since the first time I engaged 4H with any meaningful speed, and sadly after the 60 or so miles in the winter storm, it didn't get any better. I agree it's probably off by a tooth, but it's not just mine - it's every single front driveshaft for the 4th gen that I could...

Good deal. Or bad deal really, but it contributes to the theme of the thread which is good. I ordered a 3rd gen V6 MT front driveshaft (37140-04053) due to some pretty good OEM parts sales going on near me, so I will report back how that turns out once received. I had the same exact driveshaft...

I don't think the recall mentioned above is related to this. Seems that one is for CV axles that can break and cause full time 4WD vehicles (Limited Hybrid) to roll away. What issues are you having?

I’m focused on figuring out why some of these trucks clearly vibrate in 4H. Different setups (hybrid vs gas shaft length, gearing, etc.) aren’t really apples-to-apples, so sharing info about the ones that don’t have issues really doesn’t help much here. If the thread doesn’t go anywhere with...

It would be nice to keep the thread on topic, but I’ll bite. Obviously I know it’s not supposed to vibrate, that’s precisely why I made the thread. Me not going to the dealer doesn’t mean I think it’s normal, it means I don’t expect them to fix it, and prefer not to waste my time on that...

No. Not interested in that route.

Maybe you're lucky.

How fast have you driven it in 4H? I have 4.30 gears and the vibes don't start until around 45 mph or so. Considering that logically, the 3.58 trucks wouldn't have the same condition until around 55 mph or so. And if you're riding around off-road, you may not notice, due to the terrain. On the...

@JayTech Since you work at a dealer and have discussed driveshafts here quite a bit (albeit the rear, but still), any thoughts on this? Have you had anyone complaining about 4WD vibrations that were found to be the front and if so, any remedy to them?