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I'll be replacing the water pump and seals before it goes in. So for a plug and play, 96-98 XJs are what I'm looking for? Otherwise I'll have to reuse most of my accessories?

My current motor in my 98 XJ has what I assume is 240k on the original engine. I'm losing some coolant through what I think is a head gasket or cracked head, plus it's got a significant exhaust leak and leaks a little oil. I don't want to go chasing issues on a high mile motor so I thought I'd...

Well a trip to the local scrapyard yielded the ISS, OSS and all three shift solenoids. I didn't have my ohmmeter so I couldn't test before removing them. The trans was from a '00 2wd so the OSS was easy to get to. On the 4x4 models, do you have remove the transfer case bracket to get access to...

That was a typo on my part, yes voltage check on the TPS. I did that but with the engine running...I still should have been reading something but got nothing regardless of throttle position.

I figured it needed to be running to measure the resistance across the TPS. Will have to try that one again. I'm trying to source a some sensors to at least swap out the OSS. Thanks for the help so far, very much appreciated.

The solenoids tested at 12.6-12.7 for all 3. I couldn't get a reading at all for resistance of the OSS. ISS was around 670 if I recall...it did check within specs. Temp was around 70* during the tests. Strangely I got no voltage when testing the TPS with the Jeep running (pins 16&17). The TPS...

I did these tests today and got 0 resistance on the output speed sensor. I've been having an intermittent issue with rpms dropping from 1500 to 1200 and back when coasting in D, like when you are going to turn or stop. Could a bad output sensor cause the TC to lock and unlock when coasting? I...

Update: Swapped the brake switch with no change....still not locking.

Thanks 8mud, when I drained and cleaned the rear diff I didn't find any shavings or metal flakes. I didn't have access to a floor jack and jack stands so when I had the cover off I didn't get a chance to spin the rear axle and listen. Everything looked OK to the eye. Pinion at the rear feels...

99 XJ, 4.0, AW4 and I'm getting a p0700 and p0740 code and the TC will lock but only when cold. Once warm the TC stays unlocked. I've adjusted and cleaned the NSS, swapped in a spare Trans control unit and the problem still persists. Fluid level is good and doesn't smell or look burnt. I tried...

I'll try to lift all 4 wheels on jacks and let it idle in gear to see if I can track it down. I have my doubts that what I'm hearing is the u joint but it will be replaced since its bad. With 2 small kids and this being a 2nd vehicle for me, I'll take my chances on a junkyard axle if I find...

I'm trying to track down a roaring noise that I've been getting in my 98 XJ, AW4 that starts about 15 mph and gets louder with rpms. It sounds like a wheel bearing but when on jack stands all four wheels have no play and sound smooth when rotating and listening with a stethoscope. I removed the...

Report back and let us know if it is a long term fix. I have the same code but I haven't dropped the pan and ohm tested the TC solenoid.

Anyone used these on an XJ? Reviews seem mixed but this is not for a daily driver so I don't want to pay $80+ for Husky or Weathertech. Mainly wondering how they fit. http://shop.advanceautoparts.com/p/highland-all-weather-floor-mats-gray-4503600/17460350-P?searchTerm=floormats

The TPS was a parts store brand but for the price and lifetime warranty I thought I'd try it. On the commute home today (40+ miles one way) it quit hunting idle but I did get one severe case of death wobble that I haven't experienced yet. I hope that's the end of the idle issue but now I need...

98 XJ 4.0 with AW4, 240k miles. I've been having some issues with a new to me XJ. Mainly longer crank times and idle bounce from 1600-1000 and back on deceleration. Idle in neutral or park while sitting is normal, around 750 and consistent. I've also been getting a P0700 and P0740 which is...

Thanks, going to try to clean my IACV and throttle body this weekend before swapping injectors.

A compression test will not show leak down. They have a one way valve that will not leak down until you manually release the pressure. How's the oil in the pan? If it's nice and golden with no milkshake I'd hold off on putting any stop leak in. A bad HG normally shows up as low compression...

He just sold a set before I PM'd him :doh: Seems I read where someone was selling them for $55 a set.

Where's the cheapest place to buy reconditioned 703 injectors? I have a 98 XJ with 240k that could use some replacements.