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Old 06-25-2007, 01:18 AM   #1
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4Lo and 4Hi Problems!

Hey Iam having hard times trying to engage 4hi or 4lo.
Can anyone give me tips on how to do it as smothly as possbie!

Also Is the light sappose to go on when your in 4 hi?

Also 4 hi dosn't seem to stay put it seems after a couple bumps it falls down the 2wd whats up with that?

Sry lots of questions but I want to get good before I start driving of road again.

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Old 06-25-2007, 02:03 AM   #2
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Before you try and engage any 4wd option you need to put the vehicle into Neutral. Then pull the transfercase selector into the gear you want and then put your transmission into drive. Up on the dash there is saposed to be a little light that comes on indicating that you are now in 4WD.

If its popping out of 4wd you might not have it fully engaged.

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Old 06-25-2007, 06:39 AM   #3
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What year TJ do you have? Sounds to me like the linkage may need adjustment. If you crawl under the Jeep and have someone move the t-case shift lever, you will see what I am talking about. Have you installed a body lift recently? That could cause the issues that you are describing. If you installed a t-case drop, that could do it too. Good luck, and keep us updated.
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Old 06-25-2007, 07:14 AM   #4
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Quote:
Originally Posted by AzTJ View Post
Before you try and engage any 4wd option you need to put the vehicle into Neutral. Then pull the transfercase selector into the gear you want and then put your transmission into drive. Up on the dash there is saposed to be a little light that comes on indicating that you are now in 4WD.

If its popping out of 4wd you might not have it fully engaged.
I thought 4hi was shift on the fly untill 55, and 4lo was neutral? If not, I am in trouble!
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Old 06-25-2007, 08:06 AM   #5
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Quote:
Originally Posted by JCS05Rubi View Post
I thought 4hi was shift on the fly untill 55, and 4lo was neutral? If not, I am in trouble!
4High is a shift on the fly system.
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Old 06-25-2007, 08:10 AM   #6
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When is the last time you changed the fluid in your t-case? Or even checked the level?

Have you gone through any water lately?
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Old 06-25-2007, 08:29 AM   #7
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Uuhoohh!

Quote:
Originally Posted by jeeperman View Post
4High is a shift on the fly system.
My Jeep seems to go in to 4HI just fine sitting in neutral. Is this not a good method for shifting the T-case into 4HI?
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Old 06-25-2007, 08:45 AM   #8
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Originally Posted by BADBlue View Post
My Jeep seems to go in to 4HI just fine sitting in neutral. Is this not a good method for shifting the T-case into 4HI?
It's fine, but the system was designed (most Jeeps have been) to be able to be engaged on the fly. Engaging it in Neutral will be fine as well.
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Old 06-25-2007, 09:05 AM   #9
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I just got the Jeep so theres no lift I havn't gone threw water I was just going threw it yesterday and I was having trouble also its a 2003.
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Old 06-25-2007, 09:48 AM   #10
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Try engaging 4LO on a slow roll in neutral. I've had luck with this solution. I'm talking about 1 -2 m.p.h. or less. Start in first gear, slight roll, quickly shift to neutral and engage 4LO.

If I ever have trouble disengaging 4LO this method usually works as well. Never had any problems engaging/disengaging on any of my Jeeps.

Hope this helps a little.
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Old 06-25-2007, 10:06 AM   #11
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Owner's manual says 4HI up to 55 mph,and 4 lo @ 3 mph
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Old 06-25-2007, 11:55 AM   #12
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Owner's manual says 4HI up to 55 mph,and 4 lo @ 3 mph
Yeah I know I don't know what iam doing wrong then. I have taken all of your advice and still the same do you think its a problem with the transfer case?

Should I have It Checked out Iam still within warrenty!
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Old 06-25-2007, 12:05 PM   #13
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i remember having the same problems when i first got my jeep. personally i just dont think the 4wd was used enough because the more i use it the easier is seems to find the gears. I thinks it's a combination of getting a feel of the shifter as well as breaking it in. It feels like mine goes into 4 hi and low with no problems at all but when i let a buddy try and put it into 4 they seem to have a little more trouble.
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Old 06-25-2007, 12:14 PM   #14
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I had the same trouble you were explaining a couple of weeks ago but it just turned out to be the transfer case drop bracket I installed when I installed the 1 in BL. Once I got it straightened out it shifts like a dream now!! I would say that the linkages probably need to be adjusted.
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Old 06-25-2007, 12:22 PM   #15
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if its in warranty, and its stock, let Jeep fix the problem. Techs rely on warranty work to pay the bills when its slow anyway.

Sounds like an adjustment issue, but let the dealer take care of it. Maybe youll get a new transfer case :roll:
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Old 06-26-2007, 04:24 PM   #16
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about the light, yes it suppose to go on in 4hi, i had a problem recently where the light wouldnt go on when the tcase was shifted into 4wd and it turned out all it was was a bad sending unit on the tcase.

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