242 Selec-Trac problems
#1
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Year: 1996
Model: Cherokee (XJ)
Engine: 4.0 High Output
242 Selec-Trac problems
I have a 1996 XJ. The transfer case stopped working. After further diagnosis, I found out that the dash light doesn't work now either. The transfer case only works in 4-low and made a horrible noise when shifted into the other gears. I drained the fluid, and it was black and burnt. So I removed it and visually inspected it. I manually shifted it through the gears and the shafts seemed to behave how they should.
I reinstalled it and changed the fluid with new ATF+4. I reinstalled it without the shifting linkage so I could rule that out also. After reinstalled, it quit making noise when I manually shifted it through all of the other gears but still doesn't work outside of 4-low, however, when the transmission is in reverse, the transfer case made noises again when outside of 4-low.
I'm at a loss as to what is going on and just want some further guidance before I take it back out and open it. I can probably rebuild it just fine, I mean it's pretty small and simple, but I want to see if it could possibly be anything else before tearing it open, making a large purchase, and being a rebuild kit. Thanks!
I reinstalled it and changed the fluid with new ATF+4. I reinstalled it without the shifting linkage so I could rule that out also. After reinstalled, it quit making noise when I manually shifted it through all of the other gears but still doesn't work outside of 4-low, however, when the transmission is in reverse, the transfer case made noises again when outside of 4-low.
I'm at a loss as to what is going on and just want some further guidance before I take it back out and open it. I can probably rebuild it just fine, I mean it's pretty small and simple, but I want to see if it could possibly be anything else before tearing it open, making a large purchase, and being a rebuild kit. Thanks!
#2
Senior Member
Well unfortunately you're going to have to go inside to see what came apart. You might be better off going to car-part.com to find a temporary replacement while you fix that one. I say this because a standard rebuild kit usually won't take care of a failure. It's usually only a remedy for bearing or chain noise.
#3
Senior Member
I'm actually going through a Pull-A-Part in Augusta right now. In just the first 6 rows I've come across 3 NP242J transfer cases. 2 from ZJs and 1 is in a Liberty. Might be a worthwhile trip?
#4
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Year: 1989
Model: Comanche (MJ)
Engine: 4.0
Beware there are different length input shafts. https://www.novak-adapt.com/knowledg...g-input-gears/
The ZJs will likely work, but the Libby might be too long.
The ZJs will likely work, but the Libby might be too long.
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