4WD Issues P2 - JeepForum.com
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post #1 of 18 Old 01-27-2009, 04:04 PM Thread Starter
MikeyJ
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4WD Issues P2

Jeep is stuck in 4WD, the light is on and the jeeps in 4wd no matter what position I take it in. I can put the transfer case into neutral and the light goes off. Is this a vacuum issue? Or something more serious? Where can I get new vacuum lines and how long/much will it take to do the job myself?

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post #2 of 18 Old 01-27-2009, 05:46 PM Thread Starter
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Anybody have a clue?
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post #3 of 18 Old 01-27-2009, 06:54 PM
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Let me see if I have the symptoms straight...

- With the tcase in 2HI the 4WD light is ON,
- With the tcase in Neutral the 4WD light is OFF
- With the tcase in 4HI the 4WD light is ON
- and with the tcase in 4LO the 4WD light is ON?

How do you know it's "stuck" in 4WD?

With the type of symptoms you are having it doesn't appear (so far) that it's a problem with the vacuum lines. More likely other issues.
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post #4 of 18 Old 01-27-2009, 07:13 PM Thread Starter
MikeyJ
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Correct, not sure about 4LO... never could get it in 4LO, do I have to be rolling? Well its in 4wd in 2hi, that count as stuck? I know its in 4wd as all tires are spinning.
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post #5 of 18 Old 01-27-2009, 07:18 PM
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It sounds like it might be a linkage problem. If so then it is pretty simple to fix, there is a rod going to the transfer case which can be adjusted by loosening a nut and sliding the rod either in or our, try sliding the rod tighter (towards the back) about 1/8 to 1/4 of an inch.
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post #6 of 18 Old 01-27-2009, 07:18 PM
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Quote:
Originally Posted by MikeyJ View Post
... never could get it in 4LO, do I have to be rolling?
Sometimes it helps if you are moving very slowly but usually it'll drop right in to 4LO.

Did the problem just start or is this a Jeep you just acquired?
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post #7 of 18 Old 01-27-2009, 07:26 PM Thread Starter
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Bought the jeep recently, it and this issue when I bought it. I will try moving that rod back.
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post #8 of 18 Old 01-27-2009, 07:32 PM Thread Starter
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Quote:
Originally Posted by the_mork View Post
It sounds like it might be a linkage problem. If so then it is pretty simple to fix, there is a rod going to the transfer case which can be adjusted by loosening a nut and sliding the rod either in or our, try sliding the rod tighter (towards the back) about 1/8 to 1/4 of an inch.
I see 2 steel rods that look like they come from the bottom of the tub to the side of the transmission, neither of them move when I move the 4wd stick.
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post #9 of 18 Old 01-27-2009, 07:38 PM
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Can you take a picture and post it up?

You have something really odd happening with your Jeep.
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post #10 of 18 Old 01-27-2009, 07:48 PM Thread Starter
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post #11 of 18 Old 01-27-2009, 07:55 PM
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Those are not your 4WD linkage. That picture is of the 2 hydraulic lines for your clutch.

You have to look further back to the side of the tranny to find the shifter linkage.

It should look like this..


The 4WD lever is the very top part of the newly painted black assembly. The part you grab is just above the top of the picture.
As you move the lever it simply pivots on the big bolt shown part way down and the metal rod going to the right push's and pulls the small black arm on the transfercase as shown. As the arm on the tcase moves it causes the "gears" in the tcase to shift between 2HI, Neutral, 4HI and 4LO.

Of course it won't be this easy to see as it's tucked up above the skid plate and next to the front drive shaft.
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post #12 of 18 Old 01-27-2009, 08:06 PM Thread Starter
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Well I believe here is our problem... I guess my damn 3' body lift is keeping the lever from moving all the way into 2HI. Oh this picture was taken when the shifter was all the way forward (that I could push it) in the "2hi" position.

And quick easy fixes?

Last edited by MikeyJ; 01-27-2009 at 08:17 PM.
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post #13 of 18 Old 01-27-2009, 08:13 PM
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Originally Posted by MikeyJ View Post


Well I believe here is our problem... I guess my god damn 3' body lift is keeping the lever from moving all the way into 2HI. Oh this picture was taken when the shifter was all the way forward (that I could push it) in the "2hi" position.

And quick easy fixes?
Mikey I think you should edit you'r post don't the mods will it
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post #14 of 18 Old 01-27-2009, 08:13 PM
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BINGO!

Yup that body lift did it

No "quick" fix's. You'll need to unscrew the shifter boot from the floor
and then notch the tranny hump to make clearance for the shifter to move
all the way forward. Then put the boot assembly back in.
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post #15 of 18 Old 01-27-2009, 08:18 PM
matt240
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Loosen the knob a lot and it will give you a a bit of room... or take it off just to see if it will come out.
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