Driveline vibes
CF Veteran
Joined: Jan 2011
Posts: 1,894
Likes: 4
From: Las Vegas
Year: 1999
Model: Cherokee
Engine: 4.0
After reading your post again, i'm wondering if you did the hack and tab correctly.
Ive never done a hack n tap, but how much did you cut the transfer case output shaft?
Ive never done a hack n tap, but how much did you cut the transfer case output shaft?
CF Veteran
Joined: Jan 2011
Posts: 1,894
Likes: 4
From: Las Vegas
Year: 1999
Model: Cherokee
Engine: 4.0
Just did a bit of reading here and lead me to believe you have done the hack and tap wrong.
14. With the rear pinion yoke horizontal, make a mark where the transfer case output shaft will be
cut by measuring from the center of the u-joint pocket on the rear pinion yoke to the transfer
case output shaft and mark at 33-3/4". Mark with permanent marker, preferably a silver felt tip
permanent marker. *This must be done with the vehicle weight on the suspension as the
vehicle will be normally driven. Verify that this measurement leaves a minimum 1” of
complete splines after cutting and chamfering. If necessary, it is acceptable to vary cut
location by up to 3/4” in either direction as long as minimum spline requirement is maintained
cut by measuring from the center of the u-joint pocket on the rear pinion yoke to the transfer
case output shaft and mark at 33-3/4". Mark with permanent marker, preferably a silver felt tip
permanent marker. *This must be done with the vehicle weight on the suspension as the
vehicle will be normally driven. Verify that this measurement leaves a minimum 1” of
complete splines after cutting and chamfering. If necessary, it is acceptable to vary cut
location by up to 3/4” in either direction as long as minimum spline requirement is maintained
Thread Starter
Junior Member
Joined: Aug 2010
Posts: 64
Likes: 0
From: Andover, MN
Year: 1996
Model: Cherokee
Engine: 4 liter I6
Well I found out my problem, the transfer case output shaft is bent. I put the Jeep in reverse to mark for re-installing the hack and tap and the shaft has a decent wobble when its spinning. Now should I get another 242, swap in a 231 or try and get another output shaft from a jy?
Senior Member
Joined: Jul 2011
Posts: 798
Likes: 0
From: Mt. Vernon Washington
Year: 1991
Model: Cherokee
Engine: 4.0L Renix and tube header
Well I found out my problem, the transfer case output shaft is bent. I put the Jeep in reverse to mark for re-installing the hack and tap and the shaft has a decent wobble when its spinning. Now should I get another 242, swap in a 231 or try and get another output shaft from a jy?
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