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Jeep Wrangler YJ
YJ General Discussion
1995 Sahara auto to manual swap
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<blockquote data-quote="machoheadgames" data-source="post: 440407" data-attributes="member: 18789"><p>Transfer case should work fine as is. The autos use the long input gear which works fine in the AX15 despite the AX15 coming with the short input gear transfer case from the factory. Somewhere around 1998 or 1999 Jeep shipped the AX15s with long input gears and it was fine. There were no changes to the transmission for that to work. Novak or someone similar says something along the lines of the long input gear will put pressure on the transmission, but that is not true. On the flip side, if you were going manual to auto then you’d either need the aftermarket extended seal or you’d need the factory longer input. Otherwise massive leak out the trans.</p><p></p><p>The tail shafts are the same on all transfer cases from factory, they used longer or shorter driveshafts. The automatic transmission is shorter than the manual by an inch or two and so the driveshaft was longer or shorter by the same amount. You’ll probably want to do the slip yoke eliminator kit and double cardan shaft since you have a decent amount of lift. The stock driveshaft is very short and only works well on stock height. Especially on 6 cyl manuals because they are the shortest factory driveshaft combo. </p><p></p><p>Wiring changes are easy. The jumper harness down at the transmission is all you’ll need to manipulate because everything needed for both transmissions is at the connector the jumper plugs into. Ideally you’d find the jumper on eBay and just buy it but they’re hard to come by. I imagine you’ll need to cut the harness upstream of the jumper connector and manually wire it out yourself.</p><p></p><p>I’m guessing the wiring info you saw was from me discussing with Doop, since this stuff doesn’t get discussed all that much here. If you need any help just ask, but it’s pretty easy.</p><p></p><p>You can reuse your PCM.</p><p></p><p>Nice jeep and cool first post.</p></blockquote><p></p>
[QUOTE="machoheadgames, post: 440407, member: 18789"] Transfer case should work fine as is. The autos use the long input gear which works fine in the AX15 despite the AX15 coming with the short input gear transfer case from the factory. Somewhere around 1998 or 1999 Jeep shipped the AX15s with long input gears and it was fine. There were no changes to the transmission for that to work. Novak or someone similar says something along the lines of the long input gear will put pressure on the transmission, but that is not true. On the flip side, if you were going manual to auto then you’d either need the aftermarket extended seal or you’d need the factory longer input. Otherwise massive leak out the trans. The tail shafts are the same on all transfer cases from factory, they used longer or shorter driveshafts. The automatic transmission is shorter than the manual by an inch or two and so the driveshaft was longer or shorter by the same amount. You’ll probably want to do the slip yoke eliminator kit and double cardan shaft since you have a decent amount of lift. The stock driveshaft is very short and only works well on stock height. Especially on 6 cyl manuals because they are the shortest factory driveshaft combo. Wiring changes are easy. The jumper harness down at the transmission is all you’ll need to manipulate because everything needed for both transmissions is at the connector the jumper plugs into. Ideally you’d find the jumper on eBay and just buy it but they’re hard to come by. I imagine you’ll need to cut the harness upstream of the jumper connector and manually wire it out yourself. I’m guessing the wiring info you saw was from me discussing with Doop, since this stuff doesn’t get discussed all that much here. If you need any help just ask, but it’s pretty easy. You can reuse your PCM. Nice jeep and cool first post. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
1995 Sahara auto to manual swap
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