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He is really good at body work, but that's not all he does, but is a younger mechanic. He pulled the electrical disc out of the distributor and it looks fine. My theory is the gas is old and crap. The tank is near the red, and has been for 4 months; and in 3 months it has not been started...

My 94 XJ SE 2Dr 5spd 4.0L is in the shop, getting body work done, but it won't start. My mechanic is not the best with electrical but he is a Mopar guy and we have done all the obvious stuff and are stuck. I am planning on having a Jeep specialist take it in a couple days, unless we can figure...

I remember now like 5 years ago I has mismatched treads (matched pairs fronts and rears) but no problems because they are all close tread depth. So I agree now that tread pattern doesn't matter so much as does wheel size. Just had the depth checked. Rear pair is both 10mm in good shape...

Ok THAT's good answer Digger, thanks. Sorry if I am being a dick.

Thank you for the link. From their site: "Part-time 4WD systems effectively lock the front and rear driveshafts together, forming a single driving unit that does not allow for differential action between the front and rear driveshafts." This is a somewhat confusing statement (in the current...

This explanation makes no sense to me. I do understand that my current setup with mismatched tires will put a strain on the transfer case if both driveshafts are locked up. The vibration is happening while driving in a straight line. That I do get. As far as turning is concerned - why does...

All my confusion stems from the fact that for some reason I thought I had selec-trac when in fact I have command-trac. According to the wikipedia page, it implies that the NP242 has a viscous coupler, but does not state it. Just says it is similar to the 231, but not in what way. If anyone...

So, am I in any trouble for 2WD? My manual tranny is making a bit more noise in 2H in 4th and 5th gear going up a long shallow hill around 50mph (stupid instrument panel with no tach). It only happens when I gas and the gears are engaged. Part of me thinks it's the cold, but I really need to...

I swapped it with a part from a 96 a few years back (supposedly there was a compatibility issue which required disassembling and merging the two, but that mechanic may have been a rip-off). I have a cd-carrier blocking my driver's visor and it says command-trac. I checked the tag on the tcase...

Good. Call. Bonehead move of the week goes to me!!!!!!!! It's a 231. Always was. Just got under there and checked. It needs matching tires all around. Wonder if I can get by in 2wd like this. Does this mean I am not supposed to even engage the 4H while driving?

I definitely had true death wobble before the new track bar - would hit a bump and the whole rig would violently shake and I was lucky to regain control. This is not that, this is just front end feels like driving over rumble strips when in 4H above 30mph. Even when on a straight road and no...

Thanks for the input lazyxj. The track bar is new (maybe a year or so old) the bolt never breaks but mine did and we found a slight replacement. It had death wobble beforehand but this new problem doesn't seem the same. Are you sure it is the track bar? It was welded before and didn't do...

So, I did my research that the NP242 is designed to allow different rotation speeds between the front and rear axle - that is why you can engage the 4H while driving down the highway. Don't quote me on this, but I am guessing it makes more sense for a 5spd as well. I (stupidly?) took this to...

Sorry to necro the thread but I'd figure I would update everyone. It took me forever to get to the fluids which I did this past week. I have a new problem which might warrant a separate thread but I'll mention it here first. First off, I didn't do the manual fluid, it might be a bit low but...

So, I didn't do the manual transmission fluid yet. I did brake pads today and then did the Tcase fluid. The fluid is somewhere between 4-5 years old when I put the 242 in from a '96 XJ. It was dirty. And a few chunks of rusty metal were in the fluid, not insignificant. I engaged the Tcase...

Just got under there to double check my tools and the tranny is leaking just above the Tcase, so the lower joint where it is flat and straight across. It looks wet and shiny. Also The Tcase shaft going towards the rear looks damp, but not as bad. I am not sure if these two things are...

It's good to do all fluids so I plan to do that Saturday. I cannot afford Red Line, but since factory spec is 10w30, I am going to get a 5 quart jug of Mobil 1 for 25 bucks and use the leftovers for my engine oil change. I figure full synthetic will still shift better in the cold. As far as I...

Thanks for the reply Talyn. I did some more research on the tranny, which I now know is the AX-15. This important bit just dawned on me. When my mechanic changed the clucth 2 years ago, I bet he used AT fluid instead of the right manual gearbox fluid. That would explain the difference. I am...

'94 XJ 4.0L 2dr 5spd SE. NP242 (select-trac) Tcase. Since the budget is super tight, I am going to a friend's place this weekend to use his garage since he is handier with cars then me and he has the tools and space. I need to do front brake pads and oil, so I might also ask his help in...

Don't think it's the u-joints since they were done in the past couple years. Now I don't think it's related to whatever body shake I am getting some times. I just tried the 4wd in the driveway last night and eased into gear with the clutch and not giving it any gas. It sounds like metal...