is there a speed your not supposed to go over? i know 4lo is 20mph, but what about 4hi. i have an 05 xterra se, read the manual....nothing. i thought there was.
it really is common sense, 4HI at max I would not go over 65, in 4LO, honestly I have never had the need to drive fast in that gear, I would image it would be around 20 though. the driving conditions is the biggest factor, if the roads are covered in snow it is always better to slow down and arrive in one piece and have a better chance of not sliding all over the road.
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Dave
96 4WD XE Reg. Cab ka24e
Calmini 3" SL, Steering, Lock-rite rear, LSD front
is there a speed your not supposed to go over? i know 4lo is 20mph, but what about 4hi. i have an 05 xterra se, read the manual....nothing. i thought there was.
IIRC...the manual for my 05 4x4 says no faster than 60mph in 4HI
Back to the old Grand Wagoneer, it had a viscose coupling in the center so it could be driven in 4-high on dry pavement all day long. I used to just throw it in 4wd all the time, even for rain. Well, I flogged that old Jeep pretty hard, and at about 80 MPH in 4-hi the whole drivetrain would start to make a lot of noise and vibrations. I don't think that this was the best thing I could've done, but it didn't kill it. As for my current truck (97 hardbody, KA24E, 4x4), I've had it up to about 55 in 4-hi and all seemed well, but then I slowed and shifted back to 2wd, cause (as dvdswanson said) if you can go that fast, then you don't need it, do you. I prefer to save it for when I need it. In fact, I often don't even engage 4wd until its clear that I'm not gonna make it in 2wd. You'd be surprized how far you can go in 2wd.
So in my opinion, I don't see any need to go any more than 50 or so, but if in some weird circumstance you needed to go faster, then just use your head and your ears. You can generally hear when a machine is even a little unhappy.
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