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Old 03-14-2011, 05:44 PM   #1
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Unhappy New helpless Jeep owner with 4L question...

I'm not gonna lie, I'm pretty inexperienced with Jeeps and 4WD in general, and I could really use some tips here. Basically, can I mess up my Jeep by using 4L or 4H on flat cement?

I just bought a manual 06 Rubi (I was originally going for a sport, but this one was such a great deal) which I thought drove and shifted very well with only 54k miles and never off-road. It pretty much felt new-ish. Yesterday I got curious and messed around a bit with 4 Low. I honestly didn't know what I was doing and thought I'd try to get used to 4L before I got on rough terrain, so I tried it on flat cement. I was a bit uneasy with how much it was lurching back and forth, but I tried for 3-5 min to figure it out, easing the clutch into the revving engine (like I do in 2H on 1st or 2nd gear). I tried the axle locks as well. I then drove around town for 10 min or so in 4H. Now I'm nervous because today it seems to be more sensitive to lurching while in 2H and shifting between gears doesn't feel quite the same, not quite as cleanly as before. Did I (the dummy with the new Rubi) mess it up at all, or am I just too paranoid and making this up?

Thanks in advance for the help...

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Old 03-14-2011, 05:53 PM   #2
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Driving on pavement in 4WD is hard on the the drivetrain. The 4WD system in our jeeps is not designed to be used on hard surfaces such as asphalt or cement. 4WD is meant to be for offroad or loose surfaces to help you gain traction since these surfaces allow the tires to break free during turns and other manuevers that causes the wheels to spin at different rates

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Old 03-14-2011, 05:57 PM   #3
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Not to hijack the thread but EZPass, is your rubi yellow and did you get it from a Toyota dealer in Hamburg PA?
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Old 03-14-2011, 06:12 PM   #4
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This is an excellent read, I recently had the same question.

Jeep.US41.org/4WD
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Old 03-14-2011, 06:19 PM   #5
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Quote:
Originally Posted by Noshtzy
Not to hijack the thread but EZPass, is your rubi yellow and did you get it from a Toyota dealer in Hamburg PA?
No, it's flame red and from a (friendly) private owner in Kansas City.

I guess my basic question is did I possibly mess up or damage my new baby last night? Should I get it check out professionally?
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Old 03-14-2011, 07:01 PM   #6
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Quote:
Originally Posted by EZPass View Post
No, it's flame red and from a (friendly) private owner in Kansas City.

I guess my basic question is did I possibly mess up or damage my new baby last night? Should I get it check out professionally?
You probably noticed a strange jerking of the steering wheel when making a turn on dry pavement. That's because your front axles (differentials) were binding (hopping). When you're on dirt they're allowed to slip, which is necessary. Your transmission/shifting shouldn't have been affected. I would take it out on a dirt trail and put it in 4wd and see how it does. If you did any serious damage to the axles I think it would be apparent (noise). You're probably ok.

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