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99 XJ SE 4.0 AW4 stock BACK STORY: Drowned my jeep, water over the hood, and up to the bottom of the center console. Drove it home the next day, sat for a year, pulled motor and put new motor in, sat for another year. Got life situated and started working on it. Went to fire it for the first...

I rebuilt my Saginaw steering box in my 99 XJ, or at least I thought I did. When I put the worm gear in, I feed the bearings into the piston and as soon as you turn the gear they spit out the back end of the piston, am I only supposed to feed them into the one side (top side)? Either way they...

just a random bit of stuff I have cluttering the garage. factory electric fan, was going to swap the mechanical fan out but exhaust valves started leaking and decided I had bigger issues. stock coil springs, they have about 330k miles on them so they should be pretty soft. rear sway bar (yea I...

I have an ECU from a 2000 cherokee, 4.0 AW4 believe it was an NP231 if that matters. cant use with an older XJ cause they switched to coil packs in 2000. pm me or email me [email protected], better chance of reaching me by email. make a reasonable offer.

looking for a 4.0 head from a 99, as long as it has the casting code 0630 and it is in good shape and reasonably priced, I'm not exactly wanting to have it resurfaced so nothing warped. and nothing that is rusted to hell and back. a good clean 0630 head. shoot me a price and we will talk (amc...

I have an ECU/ECM (whatever you feel like calling it) for a 2000 XJ (coil packs not distributor) it had an auto tranny. not sure what else you would need to know about it. if you have any questions feel free to ask, i have been trying to get rid of this thing for a few years now lol, it works, i...

just a random thought i had, why must you buy a whole new camshaft to obtain a different lift duration. why can't you just buy custom length push rods that would offer the same lift changes? it's easy to get the custom pushrods and it seems like that would be a more economical option for a...

99 xj, 4.0 aw4 np231. i want to a partial wire tuck/ waterproofing of the engine bay which includes relocating the ECU and fuse box and all that good stuff, but i cant afford to have the xj out of action for a few days so i need the diagrams so i can throw together a custom harness with the...

I've posted this on Jeep Forum, as well as the Jeep section on Expedition Portal. Haven't really had any specific answers as to what my problem is caused by. 1999 4.0 322k miles very very meticulously taken care of. there is a leak from the header. as well as from between the cat and muffler...