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I've been researching the remainder of my 4WD conversion and was reading through the AX-15 manual. When I replaced Maura's input shaft seal and swapped the external bearing retainer I ended up with a leak. The AX-15 manual has a spec for input shaft installation depth but it's essentially...

I'm gathering parts to convert my '92 MJ 4.0HO AX-15 from 2WD to 4WD. I found a 4WD AX-15 out of a '94 XJ (P/N 52108047) but I have no brackets. I have a line on the front axle, transfer case, front driveshaft, linkage, and rear slip yoke out of a '96. The cross-member and trans mount, however...

I wasn't exactly sure where to post this since the For Sale section says XJ items only. I'm selling my 1990 MJ...Craigslist link below. http://asheville.craigslist.org/cto/3512392165.html If I posted in the wrong spot perhaps a moderator can move it...

My NP231 (90 MJ, 4.0, AX15) has been getting a good workout with all the snow we've had recently. So far I've had 2 instances where I've unsuccessfully tried to go from 2HI to 4HI. The first time I pulled the lever to the detent and didn't have 4 HI. Cycled the lever again and it went in. This...

I was cleaning out the basement today and I came across my spare 2.5L TBI unit. I pulled everything that might be worthwhile (injector, TPS, etc) and noticed that the TPS looks identical to the 4.0 TPS. I looked up parts at Auto Zone online and they list a different TPS for each app even...

In some ways I'm chasing a red herring. Back when I had my 4 cyl MJ I came across a loaded XJ (probably a Wagoneer)at the jy. It had the LCD/vacuum fluorescent clock but instead of having the customary black plastic plate as the lower half it was festooned with warning lights. I can't remember...

This thread is about a friend's 2000 XJ, 2WD 4.0L AW-4. He bought it with 78K in Sept '09 and, while a bit neglected, everything seemed to function ok. First off it looses about 1 qt coolant/week (200 miles of driving). I discovered this when he brought it over and it was 1.5 gal low on...

I'm going to add the OE cooling fan to my '90 4L AX-15 (no A/C) and I spent part of yesterday stripping down a wiring harness at the jy. I pulled the relay, temp switch, fan connector, diode, fusible link power feed, conduit, and all associated wiring. My donor was an '89 4.0 AW4 with factory...

One of my friends brought his 2000 XJ (4.0, 82K) over to investigate a noisy fuel pump and, while under the hood, I noticed his overflow tank was completely empty. Additionally the radiator was about 1/2 gal low. I didn't see any obvious leak points but I'm not sure how long it took for it to...

I picked up a lot of great stuff at the JY yesterday. One of the items I grabbed is the wiring that contains the relay, diode, fan connector, & temp switch connector for the aux cooling fan (I do not have factory A/C or HD cooling package). I was looking through the FSM and it looks like I'd...

I replaced the tank in my '90 MJ right after I bought the truck because the OE tank leaked at the seams. Since then I've noticed what seems to be a lot of pressure buildup in the tank. Even when it's cold I'll have a lot of hissing when I open the cap. The tank has 2 rollover valves in the...

I received my reconditioned 19lb Mustang injectors this week and went to put them in yesterday. The truck ran fine before I replaced the old injectors but, after reading about the potential fire hazard the Bendix/Deka injectors were, I wanted to replace them. I put in the Mustang injectors and...

Is it possible to remove the outer & inner axle shaft on the RH of the Dana 30 CAD (1990 4.0) and replace them with a 1 piece axle shaft from another Dana 30, say a Select-Trac equipped XJ with a non CAD Dana 30? If this isn't possible are there any negative side effects to moving the slip...

I came across the build sheet for my '90 and it's in pretty good shape considering it was printed on 1/30/90. I called Chrysler and they gave me all the info they had and, while useful, it wasn't exactly what I was looking for. I'd like to decode my entire build sheet, if possible. I've done a...

My 1990 MJ (4.0, 5 speed, 4WD) is quite a character. I've been working on her pretty steady since I got her and, thus far, she's refused to start twice on me. Both times I've ultimately managed to get her running but it seemed to be a combination of luck and patience. The first time she...