Keith Posted April 4, 2013 Share Posted April 4, 2013 Can a 231 transfer case be replaced with a 242J in an 89 4L with a five speed manual? Link to comment Share on other sites More sharing options...
ftpiercecracker1 Posted April 4, 2013 Share Posted April 4, 2013 I think thats a new record, seven duplicate reposts. :papers: Link to comment Share on other sites More sharing options...
mvusse Posted April 4, 2013 Share Posted April 4, 2013 Yes, as long as that 242 came from behind the same transmission. Transfer cases have different input shafts depending on what transmission they came behind, possibilities are 21 spline and 23 spline, and three different lengths for both of those. If the 242 is from before 1994, you *might* be able to swap the 231 input shafts into it, but I have never verified this. You will also need the shift gate and long linkage rod from the 242. Link to comment Share on other sites More sharing options...
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