I didn't end up swapping in an aw4 in, couldn't find an adequate donor, all the rigs had high mileage, but I did get a great deal on a used ax-15 (gotta love PnP half price day)...But now my question is what is the spline count for 1990 ax-15, I did a search and didn't get a straight answer, is it 21 or 23 spline out put? Is there an easy way to tell? The trans came out of a 1990 cherokee. I know the aw4 cutoff is 91+ for the 23 spline and 90- for the 21, is the ax-15 the same? Thanks in advance...
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ax-15 spline count
- Thread starter davidt
- Start date
ChuckD
NAXJA Forum User
- Location
- Kerman, CA
davidt said:
According to Avanced Adapters all AX-15's are 23 spline. Otherwise I always went with wether or not it had an HO 4.0l.
sweet chuck, anybody else have an opinion, maybe there was an oddball ax-15, ya never know. I have a line on a super cheap set of axles, just need to do a d-300 swap and need to know if the spline count will match up without modification...ChuckD said:
ChuckD
NAXJA Forum User
- Location
- Kerman, CA
Ya know you can count it for yourself. You have the tranny right?
Can you come count them for me? 
BrettM
NAXJA Forum User
- Location
- michifornia
i would count to be sure, 87-89 were the Peugeot so 90 was the only year of the Renix 4.0 with the AX15. who knows what oddball stuff Jeep did for that year.
Big Red
NAXJA Forum User
- Location
- Roscoe, IL 61073
You should be able to count the splines on the tranny. Also be sure you got the AX15 and not the BA10 Peugot. 23 splines was used in the AW4 from 91'+ with the high output so you would think that you have a 21 spline was used with the non high output 87-90', but you cannot assume anything. The best way is to count the splines.
ChuckD
NAXJA Forum User
- Location
- Kerman, CA
Big Red said:
I am so enlightened! :wow:
