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 Post subject: T-Case Stuck in 4Hi
PostPosted: Thu Jan 08, 2009 2:06 am 
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Just what the title says. Ever since I bought the CRD in Sept. it's always had a difficult time shifting into AWD mode. Last few days have been rain slick, so I used the 4Full for a couple days. Seems now, when I shift back to 2wd it gets stuck in 4hi. 4AWD works better than ever, but now gets stuck in 4hi when going back to 2wd. Even grabed a wrench and forced the linkage as far back as possible and still took alot of back and forth side to side neutral reverse in both the t-case and tranny to finally get the thing to uncouple. No bind or stiffness in the shift lever. Lubed all that to make sure. Something seems wrong ion the t-case itself. I of course did a search, but this sites search function is terrible.

Please help!!!!!!!!!!!!!!!!!!!

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PostPosted: Thu Jan 08, 2009 7:01 am 
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The 242 / select trac transmission is controlled by a cable and a couple springs, are you sure it's stuck in 4-hi? Maybe it's just the 4x4 indicator switch is bad which would case the insturment cluster to display the wrong setting [while the mechanical linkage is still doing what it's supposed to]

If you are stuck in 4-hi, the KJ's front tires should be hopping and scrubbing all over the place while you try to take a corner.

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 Post subject:
PostPosted: Thu Jan 08, 2009 7:50 am 
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sleeve84028 wrote:
The 242 / select trac transmission is controlled by a cable and a couple springs, are you sure it's stuck in 4-hi? Maybe it's just the 4x4 indicator switch is bad which would case the insturment cluster to display the wrong setting [while the mechanical linkage is still doing what it's supposed to]

If you are stuck in 4-hi, the KJ's front tires should be hopping and scrubbing all over the place while you try to take a corner.


Yeh, believe me i know it is. I'm no noob. The light indicates the exact position of the lever, but t-case remained in 4wd. I did get it to finally go into 2wd, but like I said, with alot of effort.

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2005 Black CRD KJ____Full GDE turbo kit, EHM, 6.5L GMCTD lift pump, euro tq conv, 31" Duratracs on 15x7 Procomps w/3.75"bs
2.5" lift, full skids, Super Skink Sliders, front JBA Steel Diff w/True-Trac___Powertax "No-Slip" locker rear
Tow Rig: 2003 Silver 2wd Dodge 2500 reg. cab 5.9 Cummins (highly modded with 550hp/1200tq+)


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 Post subject:
PostPosted: Thu Jan 08, 2009 10:24 am 
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Common problem with the 242 t-case since the shifter only activates checkballs that actually shift the t-case.Try changing the t-case fluid and use 4wd more often to help free up the stuck inards.


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 Post subject:
PostPosted: Thu Jan 08, 2009 10:43 am 
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also make sure all tires match including pressure and wear.
any stress on the driveline will cause it to not shift.

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