transfer case noise?

05willys

Active Member
Joined
Nov 24, 2007
Location
greensboro
i have a np 231 and a 6 speed transmission. when its cold out it makes a high pitched squeeking noise in 2h, but when i put it in 4h or 4L it goes away. does anyone have any idea what it could be any help would be appresiated
 
Did you check the fluid level?
 
yeah i checked the fluid its good and what the heck is a "centering ball and if its dry can i grease it? and if its that does it make sence the noise stops in 4 wheel drive?
 
4wd may be adding more torque to it and make the sound change pitch or go away. I don't know. I just know that it sounded a lot like a symptom my buddy John had with his TJ.

to test, just squirt some PB blaster in it and drive it. if it goes away for a little while, then you either need to grease it, or rebuild it. I don't recall if there's a grease fitting on it or not.
 
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