H3RESQ Posted August 10, 2013 Share Posted August 10, 2013 Will my 98 xj t-case (2wd/4wd version) 5 speed manual/ 4.0 bolt up to a 99 xj aw4 auto/4.0 t-case (also 2wd/4wd version) I just seem to remember one is 21 and one is 23 spline but hoping otherwise. Cheers, Jason Link to comment Share on other sites More sharing options...
onlyinajeep726 Posted August 10, 2013 Share Posted August 10, 2013 IIRC, everything after '90 is 23 spline. http://www.novak-adapt.com/knowledge/np_nvg_input_gears.htm Link to comment Share on other sites More sharing options...
Bounty Hunter Posted August 11, 2013 Share Posted August 11, 2013 Good chance the input shaft will not be long enough to reach the seal in the auto. Link to comment Share on other sites More sharing options...
FrankTheDog Posted August 11, 2013 Share Posted August 11, 2013 For swapping parts you can use car-part.com There is no call out for auto or manual for 97-01 Cherokees. So it'll work. Link to comment Share on other sites More sharing options...
FrankTheDog Posted August 11, 2013 Share Posted August 11, 2013 Also 6 cylinders from 91 are 23 spline. 4 cylinders are 21 spline. Link to comment Share on other sites More sharing options...
carnuck Posted September 1, 2013 Share Posted September 1, 2013 4 cyl autos are 23 spline (short on early 3 speed and long on '96 up 4 speed) Link to comment Share on other sites More sharing options...
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