Np231,Np242 splines manual vs automatic.

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Jul 14, 2017 | 06:36 AM

Scott Vassar

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Model: Cherokee

Np231,Np242 splines manual vs automatic.

Does anybody know if the input splines on a 1998 manual transmission 231 is the same as the input splines on a 1995 automatic 242?

Jul 14, 2017 | 07:15 AM

cruiser54

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From: Prescott, Az

Year: 1990

Model: Cherokee (XJ)

Engine: 4.0

Should be 23 spline. 21 spline ended in 1990,

BUT, I believe there are 3 different possible input shaft lengths on the 23 spline.

Jul 14, 2017 | 07:26 AM

Scott Vassar

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Can they be swapped from the 242 to 231 if need be?

Jul 14, 2017 | 07:30 AM

cruiser54

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From: Prescott, Az

Year: 1990

Model: Cherokee (XJ)

Engine: 4.0

Quote:

Originally Posted by Scott Vassar

Can they be swapped from the 242 to 231 if need be?

Sometimes. There is also a few different gear pitches......

Jul 14, 2017 | 07:40 AM

Scott Vassar

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Model: Cherokee

Well, I hope luck is in my favor...

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