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Unread 01-12-2010, 04:02 PM   #16
Jeffro06
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Anytime......do you need me to explain that?

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Unread 01-12-2010, 04:04 PM   #17
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Originally Posted by Jeffro95 View Post
Anytime......do you need me to explain that?
Who doesn't love this?


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Unread 01-12-2010, 04:10 PM   #18
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Originally Posted by Jeffro95 View Post
U might want to re-think that....
Darn it Max!!
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Unread 01-13-2010, 05:11 AM   #19
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Or an XJ

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my 98 xj only had part time.
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Unread 01-13-2010, 08:22 AM   #20
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my 98 xj only had part time.
The NP242 was offered throughout the XJ production (I think) so I should have worded that better!

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Unread 12-07-2011, 09:49 AM   #21
SteelPitts
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"Part Time" 4wd in 01 TJ

Hello, I've read the explanations about the 4hi and 4lo in my 01 TJ. So, is it okay to use the 4hi on the highway in snowy/icy conditions? What some said about the transfer case "binding" made me question whether highway speeds/conditions would cause damage? I had an 82 CJ that I drove in 4hi at any and all times that the roads were questionable and never had a problem. Thanks.
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Unread 12-07-2011, 09:50 AM   #22
buickgnx88
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I drive my YJ in 4WD hi at speeds around 55-60 when there's snow on the ground and no dry spots. Haven't had any problems yet.
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Unread 12-07-2011, 09:58 AM   #23
danielbuck
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heh, yea "part time" sounds kind of deceptive, it kind of sounds like it's a watered down 4wd that wouldn't get you out of wet grass.

After reading up on this while looking at jeeps before I had one, I came to think of it more like "fully engaged" and "partially engaged", but reverse from what they are actually called. (even though 'partially engaged' is not accurate?) The terms given to these types of 4wd describe their usage (how often they should be used), not their level of engagement or ability.

Part-time 4wd is "fully engaged", front and rear are fully locked together at the same speeds, meaning you really only want to use it part of the time (the part of the time being only when you are off road), not all the time when you are just driving around town or something. Front and rear will always spin at the same speeds regardless of what the terrain or the rest of the vehicle is doing.

Full time 4wd is "partially engaged", the front and rear aren't always locked together (someone mentioned like an open differential, is this correct?) so you could run it all the time in any road condition. The front and rear will spin at different speeds when needed.
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Unread 12-07-2011, 10:28 AM   #24
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My Jeep had a part time 4wd system. Part of the time the front axle would drive, the other part time it wouldn't
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Unread 12-07-2011, 10:34 AM   #25
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Quote:
Hello, I've read the explanations about the 4hi and 4lo in my 01 TJ. So, is it okay to use the 4hi on the highway in snowy/icy conditions? What some said about the transfer case "binding" made me question whether highway speeds/conditions would cause damage? I had an 82 CJ that I drove in 4hi at any and all times that the roads were questionable and never had a problem. Thanks.
Youll be fine on the highway. Its a part time system that functions very similarly to your old CJ. The biggest thing with the bind is that if youre on dry road for very long. A few 100' dry patches in the road when its icy certainly wont hurt, but you cant drive 1/4 mile on pavement and not do a bit of wear
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Unread 12-07-2011, 06:40 PM   #26
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It will be fine, technically even on dry pavement you will be fine as long as you don't turn, or rather sharp turns like on the street, on the highway it will be fine. You will know when binding occurs, I don't use the 4wd until I need it on the streets or highways. You have to be going slower than 55mph to engage or disengage the 4wd, but if you need 4wd you shouldn't be going faster than 55mph anyway. After engaged you can go faster than 55mph though.
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