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  1. M

    Chasing vibrations - what should I try next

    Okay first here is the important details on my rig: 1998 with AW4 that I have owned for just over 2 years and I have done/had done everything listed -NP231 rebuilt with Teraflex SYE kit -New stock style motor and tranny mounts, no TC drop -4.56 gears D30HP & 8.25 open for the axles gears done...
  2. M

    Major loss of power when hot

    Rig: 98XJ, AW4, 177k, 5" lift, 4.56s and 33s, stock under the hood. So the other day I took the jeep for a longer drive on a hot day since I suspected my radiator was not cooling great to test it and something else weird happened. Once I got it running good and hot 216-220 range without AC at...
  3. M

    What does error code P1400 mean

    My 98 XJ check engine light came on today and my reader says it's P1400. So what is that? Might be time to spring for an FSM.
  4. M

    Do I need an SYE or can I do something cheaper?

    Ok so I have a 98xj on 3 to 3.5" of lift (previous owner installed). I have drive line vibes right at the slip yoke (took it up to 70mph on jack stands to identify that). I have a 1" t case drop in it. I'd like to avoid the cost of going to an SYE right now. Would a longer shaft help fix this or...
  5. M

    New battery and alternator - will not stay running

    I searched and could not find anything that helped me. I'm just looking to be pointed in the right direction to save time trying to figure it out in the cold. Last night I replaced the alternator in my 1989 XJ - AW4, 242 and it will start up and the RPMs rev up for a second or two and then it...
  6. M

    Vacume problem need help in what to look at

    I have searched and did not find the answer. I have an 89 XJ 4.0, AW4 & 242 and I had vacume leaks that I have gotten fixed but now I have a problem that is hard to replicate in the garage and I don't know what I should look at. What happens is only when driving is I lose vacume pressure after...
  7. M

    Just wanted to say thanks for the great information

    I just wnated to say thanks for all that have posted great information on here. To fix my vacume issues & cooling system issues I did not need to post once - just searched and found the answers. Even converted my cooling system to the newer open style. Thanks, Mike Rhyne
  8. M

    Rebuilt rear axle now it groans

    I just finished rebuilding my Dana 35 to fix a bad pinion bearing and now I get a groan/vibration when I decelrate down to about 2-3 mph. When I rebuilt it I replaced all bearings and seals including the wheel bearings and new u joints in the rear drive shaft. I followed all of the instructions...
  9. M

    Dana 35 Rebuild question

    I'm in the process of tearing apart my D35 out of my 89 XJ and had a couple of questions that my shop manual does not cover. 1. Mine is the non c-clip version and I was wondering how to get the shafts out - just don't want to break anything. 2. Anyone have a link to a site that has good...
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