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Discussion Starter · #1 ·
I just did a 1 1/2 body lift. Before I did not get full engagement of h4wd when the shift lever was pulled all the way back ( had to keep it slightly forward) ..no it appears with the added body lift the linkage has tightened up and works correctly ..except ..since my 4 x 4 light does not work I can't actually tell if I'm in 2wd or 4wd .........how can you confirm when your in one or the other?? 4low is perfect.....
 

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Put it into 2wd(as best u can tell) and try turning the front driveshaft. If it spins freely then you indeed are in 2wd.
 

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Sorry didn't realize this was tj forum. Not sure if it will work like that for you. Either get your wheels off the ground and see which ones spin or go to some loose gravel and see which ones spin.
 

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Go find a parking lot or other area big enough to mess around in. Ensure it is in 2WD then turn in a tight circle.

Then put it in 4-high and try turning in a circle again. I know I can certainly feel a difference when its in 4-high. Its way more "grabbier." The tires even bark a little.

You can easily tell it's in 4-low due to the revs.
 

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you should be able to tell if its in 4hi without turning in a tight circle. just small back and forth should be enough to feel it.
 

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Discussion Starter · #6 ·
Put it into 2wd(as best u can tell) and try turning the front driveshaft. If it spins freely then you indeed are in 2wd.
well lifted the front wheel and tried turning the front prop shaft ..wheels turn in both 2h and 4h.....now i have to figure out how to adjust the shifter since the trunnion is rusted on the adjuster shaft....:banghead: basically I'm stuck in 4h ....
 

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In a tj if you spin the front drive shaft with the front wheels off the ground the wheels will spin in 2hi, in 4hi you shouldn't be able to spin the front drive shaft as it's mechanically locked to the rear driveshaft, and thus the tires that are still in contact with the ground.. So you'd have to spin that front drive shaft pretty hard to get the rear tires to turn over, and you can imagine what would happen then.
 

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Go find a parking lot or other area big enough to mess around in. Ensure it is in 2WD then turn in a tight circle.

Then put it in 4-high and try turning in a circle again. I know I can certainly feel a difference when its in 4-high. Its way more "grabbier." The tires even bark a little.


You can easily tell it's in 4-low due to the revs.
yea don't do that
 

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Park in mud hole
put in 4HI
turn wheel to the right
stick head out window
floor it
compare the amount of mud/rocks/sticks on your face to the amount on the back of your head.
if equal parts, 4HI is working
if only the back of your head is covered, its time to look at the linkage.
 

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SinfulDragon said:
Park in mud hole
put in 4HI
turn wheel to the right
stick head out window
floor it
compare the amount of mud/rocks/sticks on your face to the amount on the back of your head.
if equal parts, 4HI is working
if only the back of your head is covered, its time to look at the linkage.
Lmao

Post pictures of results as well!
 

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Park in mud hole
put in 4HI
turn wheel to the right
stick head out window
floor it
compare the amount of mud/rocks/sticks on your face to the amount on the back of your head.
if equal parts, 4HI is working
if only the back of your head is covered, its time to look at the linkage.

Love it. :rofl:
 

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yea don't do that
woah.. this is how i check to make sure im not in 4WD (and if my 4wd is working), why would this be a bad idea? Serious question :-O

to clarify, i dont exceed 5mph when doing this.
I personally do not see an issue with this. I have driven on my street some while in 4WD to make sure it's working right. Unless you are already on jack stands, this is probably the fastest way to find out if it's working or not. You don't have to make tight circles or go fast...you will feel more traction with the front tires just making small turns right and left. Granted, this isnt recommended for everyday driving...but a little asphalt time isnt gonna cause your jeep to explode. Think about it...if 4WD on grippy surfaces killed jeeps...no one would wheel Moab :whistling:
 
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