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Old 12-26-2010, 09:50 PM   #1
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getting into 4hi

So we just got about 16inchs of snow and I was wondering how do I get my jeep into 4wd? Now normally, I wouldn't ask this since my old truck was just roll and pop her in 4hi, but my jeep is a manual so I wasn't sure if there was anything special I had to do. Instructions would be wonderful for a scrub like me.

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Old 12-26-2010, 09:52 PM   #2
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Doesnt matter, Put it in 4hi whenever you want. I like to be in neutral or at least coasting when i do it though.

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Old 12-26-2010, 09:56 PM   #3
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So if im just rolling say around 20 mph just pop into neutral and pull the leaver into 4hi? Do I need to clutch in or anything or is the transfer case not reliant on the clutch at all in manuals?
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Old 12-26-2010, 09:59 PM   #4
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I would say engage your clutch...I sometimes stop at the trailhead first or I do it on the fly but never more than 25mph
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Old 12-26-2010, 10:05 PM   #5
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no need to engage just pull back into 4 hi, putting into neutral isn't a bad idea but isn't necessary either...don't put it into 4 hi on the roll when your going above 40 mph, and when going to 4 lo, always be at a complete stop and have to have the shifter in neutral when doing so.
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Old 12-26-2010, 10:07 PM   #6
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I just did it today while it was snowing, i was going around 30 and i left it in gear just got off the gas and poped it into 4hi.

Normaly i would press the clutch in or put it in neutral but it worked fine this time because i was going sideways a bit and i needed to hurry.

4lo you need to be pulled over or going around 3mph to engage.

4hi can be engaged any time under 55mph, you're not supposed to use it over 55mph anyways.
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Old 12-26-2010, 10:16 PM   #7
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Quote:
Originally Posted by TjTheo View Post
...4hi can be engaged any time under 55mph...
Right, just slide it in - under power, works great. If fact 4 hi seems to go into gear better when under power then when stopped. OTOH - 4 Low is a lot more finicky.
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Old 12-27-2010, 12:28 AM   #8
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Make sure your foot isn't on the gas though.
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Old 12-27-2010, 01:38 AM   #9
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IIRC the owners manual says you can engage 4HI up to 55mph. I've done it several times to test it out and it works fine. Engaging 4HI has always been easy in my Wrangler. 4LO you'll need to be completely stopped.

When stopped if you can't get into 4HI or LO let the Jeep roll back or forward slightly (I have a manual so its pretty easy just to push in the clutch on a slight grade) and it'll engage fairly easily.
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Old 12-27-2010, 05:51 AM   #10
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READ THE OWNER"S MANUAL!

Shifting Procedure
2H to 4H or 4H to 2H
Shifting between 2H and 4H can be made with the
vehicle stopped or in motion. If the vehicle is in motion,
shifts can be made up to 50 mph (80 km/h). With the
vehicle in motion, the transfer case will engage/
disengage faster if you momentarily release the accelerator
pedal after completing the shift. Apply a constant
force when shifting the transfer case lever.
4H to 4L or 4L to 4H
With the vehicle rolling at 2 to 3 mph (3 to 5 km/h), shift
an automatic transmission into NEUTRAL (N), or press
the clutch pedal on a manual transmission. While the
vehicle is coasting at 2 to 3 mph (3 to 5 km/h), shift the
transfer case lever firmly to the desired position. Do not
pause with the transfer case in N (Neutral).
NOTE:
Shifting into or out of 4L is possible with the
vehicle completely stopped; however, difficulty may occur
due to the mating teeth not being properly aligned.
Several attempts may be required for clutch teeth alignment
and shift completion to occur. The preferred
method is with the vehicle rolling at 2 to 3 mph (3 to
5 km/h). Avoid attempting to engage or disengage 4L
with the vehicle moving faster than 2 to 3 mph (3 to
5 km/h).


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Old 12-27-2010, 07:05 AM   #11
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Quote:
Originally Posted by daggo66
READ THE OWNER"S MANUAL!

Shifting Procedure
2H to 4H or 4H to 2H
Shifting between 2H and 4H can be made with the
vehicle stopped or in motion. If the vehicle is in motion,
shifts can be made up to 50 mph (80 km/h). With the
vehicle in motion, the transfer case will engage/
disengage faster if you momentarily release the accelerator
pedal after completing the shift. Apply a constant
force when shifting the transfer case lever.
4H to 4L or 4L to 4H
With the vehicle rolling at 2 to 3 mph (3 to 5 km/h), shift
an automatic transmission into NEUTRAL (N), or press
the clutch pedal on a manual transmission. While the
vehicle is coasting at 2 to 3 mph (3 to 5 km/h), shift the
transfer case lever firmly to the desired position. Do not
pause with the transfer case in N (Neutral).
NOTE: Shifting into or out of 4L is possible with the
vehicle completely stopped; however, difficulty may occur
due to the mating teeth not being properly aligned.
Several attempts may be required for clutch teeth alignment
and shift completion to occur. The preferred
method is with the vehicle rolling at 2 to 3 mph (3 to
5 km/h). Avoid attempting to engage or disengage 4L
with the vehicle moving faster than 2 to 3 mph (3 to
5 km/h).
^^^^agreed^^^^
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Old 12-27-2010, 11:58 AM   #12
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Worked fine today, that sucker with the all terrains ripped through the snow and we had around a foot plus of snow, hell of a lot better than the truck
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Old 12-27-2010, 12:38 PM   #13
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Thats kinda confusing? First it says shifts upto 50mph,,, then it says if in motion at 2-3mph in an automatic,, shift it in neutral?

Hummm
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Old 12-27-2010, 12:42 PM   #14
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Quote:
Originally Posted by silvrevo View Post
Thats kinda confusing? First it says shifts upto 50mph,,, then it says if in motion at 2-3mph in an automatic,, shift it in neutral?

Hummm
Please read all the words. 50 mph is for 4H only. 2-3 mph is for 4L.
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Old 12-27-2010, 12:44 PM   #15
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Quote:
Originally Posted by silvrevo View Post
Thats kinda confusing? First it says shifts upto 50mph...
2H to 4H or 4H to 2H


Quote:
Originally Posted by silvrevo View Post
...then it says if in motion at 2-3mph in an automatic,, shift it in neutral?
4H to 4L or 4L to 4H
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Old 12-27-2010, 12:44 PM   #16
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Quote:
Originally Posted by silvrevo
Thats kinda confusing? First it says shifts upto 50mph,,, then it says if in motion at 2-3mph in an automatic,, shift it in neutral?

Hummm
From 2wd to 4 hi shift under 50 mph. From 2wdto 4 low shift from a stop or very low mph. Hope that helps m
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Old 12-27-2010, 12:47 PM   #17
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Quote:
Originally Posted by greenenvy View Post
From 2wd to 4 hi shift under 50 mph. From 2wdto 4 low shift from a stop or very low mph. Hope that helps m

Silvrevo, you've just been schooled by a Jeep chick!
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Old 12-27-2010, 01:13 PM   #18
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when can I engage the flux capacitor?
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Old 12-27-2010, 01:19 PM   #19
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Quote:
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when can I engage the flux capacitor?
At 88mph
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Old 12-29-2010, 06:24 AM   #20
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I was always told to never engage 4WD while in motion.. Best thing to do is to pull over or do it before you leave..
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Old 12-29-2010, 06:37 AM   #21
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I was always told to never engage 4WD while in motion.. Best thing to do is to pull over or do it before you leave..
You were always told wrong.
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Old 12-29-2010, 06:51 AM   #22
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I shift into 4H all the time while coasting, works like a charm. As daggo said - read the instructions, as well as ALL of the words.
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Old 12-29-2010, 08:24 AM   #23
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You were always told wrong.
So your saying that if I am driving at 50mph i can engage the 4wd and not expect problems later if I keep doing it..?
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Old 12-29-2010, 08:33 AM   #24
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Originally Posted by Wrangler07X View Post
So your saying that if I am driving at 50mph i can engage the 4wd and not expect problems later if I keep doing it..?
I'm not saying it, Chrysler is saying it. Have you actually read your owner's manual?
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Old 12-29-2010, 08:42 AM   #25
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I'm not saying it, Chrysler is saying it. Have you actually read your owner's manual?
Well I have just started reading some of it.. I just bought it monday..
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Old 12-29-2010, 08:44 AM   #26
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Just a little friendly advice-

Don't take 4hi/4lo shifting advice from "ANYBODY" that doesn't drive a JK/JKU !!

Nothing personal-just fact !!

JIMBO
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Old 12-29-2010, 09:16 AM   #27
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I was testing out getting my rubi into 4 lo and I could not get it in. I was coasting 2.5mph with auto tranny in neutral but all it did was grind so I backed off. I even slammed it to see if it would stick but it would not. What am I doing wrong? Help a brother out!! Lol. I want to be able to do it when I NEED to do it.
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Old 12-29-2010, 09:20 AM   #28
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There are no syncros in the TC. Steady pressure while barely rolling until it slides in.
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Old 12-29-2010, 09:20 AM   #29
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So your saying that if I am driving at 50mph i can engage the 4wd and not expect problems later if I keep doing it..?
I shift mine into 4 hi often running 45 to 50 mph. No trouble so far.
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Old 12-29-2010, 09:27 AM   #30
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Several times when mine was "VIRGIN" I would put the auto in "R", (at idle, no brake)then with a light pressure on the xfer case lever-- FROM 4HI-- it would "notch" in to 4lo


Quote:
Originally Posted by Boosta View Post
I was testing out getting my rubi into 4 lo and I could not get it in. I was coasting 2.5mph with auto tranny in neutral but all it did was grind so I backed off. I even slammed it to see if it would stick but it would not. What am I doing wrong? Help a brother out!! Lol. I want to be able to do it when I NEED to do it.
Try that, but ALWAYS go to 4hi first-then light pressure-right/back, don't be slamming it or you gonna be in REAL "N" !!

Good luck

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