Just know that the 8.25 has a FLAT bottom. there is no curve to it. the D44 which is rare has a small off center point curve and the D35 is just oval and poo.

 

Yea, it's full time as an option. 4Lo is fulltime. 4hi is for pulling or really steep hills. 4part time is for offroad use only.

 

I agree with Stryker that is a D35 rear end...

 

Well that confirms it then i really do have a 8.25 im assuming mine came with a tow package since it had the rear swaybar and the 8.25 rearend no?!?!!

 

Ok if you say so.

If it doesnt have a 4HiFulltime position it's not a selectrac NP242 case.

 

dont they all have rear sway bars?

 

I dunno my 93 XJ didnt have one and i assumed with the better rear diff. and a swaybar that mine came with a tow package?!?!?!

 

Those pics are a 35...

But early 35's had screw plugs... later ones had the pop in plug...

One more thing.... the Dana logo on the plug.....

 

Not quite....

What John is trying to say is that the select-trac will have an option that specifically says 4wd full-time. That setting is a differentiated full-time setting that can be used on pavement.

4-hi and 4-lo are both non-differentiated 4wd 'locked' settings. Neither is to be used on hi-grip surfaces like dry pavement. They require some 'slip' to the surface as the transfer case doesn't have any....

The Command Trac(NP/NV231) transfer cases has 2wd,4hi,N,4lo positions.
The Select-Trac(NP/NV242) transfer case has 2wd, 4-full,4hi(or parttime),N,4lo positions.

Now the VERY early versions (84-86) had some different names for these same settings....

But the existance of either T-case does not automatically mean that your Jeep has a limited slip differential in it.

To answer your earlier question.... Originally there would have been a tag on the diff that said LSD or limited slip on it..... The exact notation was different from early to late models.

One more note... when you go to buy fluid... read the back of the bottle. Some fluids specifically say "not for limited slip differentials" and others don't need any anti-chatter additive.

 

Thanks!

Yea, mine is the Selec-Trac according to what you say and is the NV242.

Tomorrow I'm doing the differentials, bleeding brakes, transfer case, new fuel filter and painting my wheels black. w00h00!

 

you've got it all wrong.

4 full time is for on road use, winter driving and moderate trail use, 4hi and 4lo are both part time, and should only be used off road.

so to be clear, 4 full time is just like it says, it can be used full time, or all the time. so use this one if you think you need to pull or go up really steep hills.

use the 4hi on long easy off road trails, and 4lo for rough crawling trails.

always use 4wd whether it's hi or lo when on a trail. that way it doesn't promote wheel spin, and creates early erosion, thus not treading lightly.

 

So about fluid changing then. I need the fluid with additive (or add it to it) in the rear.

In the front, do I add the same stuff or make it there is NO additive?

 

this thread hurts the brain.
1: thats a dana35
2: why are we talking about transfer cases?
3:swaybars have nothing to do with what rearend you have
4:how did you figure out you have the limited slip?

 

1. we know
2. iono
3. yes
4. i figured it out by calling the dealer and telling them my VIN number and they were able to tell me every component on my specific vehicle (I got that tip from this forum on another thread).

 

Also if you check the axle tube, just inside of the brake drums, there is a p/n sticker with a barcode and crap. If it has not already been torn off or caked with mud, you can take that number and get the model, and additional info like gear ratio and Anti-Spin.

Just for future reference.