tjkj2002 wrote:
Which t-case do you have?
+1
It's possible you are not shifting it in and out of 4wd correctly.
BTW, Ohio State rules
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| Author: | LostRenegade [ Fri Dec 11, 2009 5:02 pm ] |
| Post subject: | Transfer Case Issue |
Well, I've been having the problem with the transfer case position sensor. So when I am in 2HI, the part time light is on and when it is in 4HI the part time light goes out. When I go into 4LO, all is fine. From reading post on the forum about the topic, generally it can be left alone and it will eventually correct itself. Well... Now that it is winter and snow has fallen here in Michigan, I am switching in and out of 4HI frequently. When I switch out of 4HI down to 2HI, with in a mile I will get a large thunk/snap as it comes out 4 wheel drive. It jolts the Jeep as if it was hit by something. Could this be caused by the t case position sensor or is it some other t case or rear axel problem? How hard is it to change the t case position sensor? I've heard it is rather expensive at the dealer. |
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| Author: | tjkj2002 [ Fri Dec 11, 2009 7:53 pm ] |
| Post subject: | |
Which t-case do you have? |
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| Author: | djui5 [ Fri Dec 11, 2009 10:16 pm ] |
| Post subject: | |
tjkj2002 wrote: Which t-case do you have?
+1 It's possible you are not shifting it in and out of 4wd correctly. BTW, Ohio State rules
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| Author: | LostRenegade [ Sat Dec 12, 2009 12:49 am ] |
| Post subject: | |
tjkj2002 wrote: Which t-case do you have? Not sure on the model number, but the one that is part time only. djui5 wrote: [It's possible you are not shifting it in and out of 4wd correctly. Whats there to do incorrectly shifting from 4HI to 2HI? djui5 wrote: BTW, Ohio State rules
The way U of M is playing this year  , I would tend to agree with you. 
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| Author: | FreedomKJ [ Sat Dec 12, 2009 1:57 am ] |
| Post subject: | |
LostRenegade wrote: Whats there to do incorrectly shifting from 4HI to 2HI?
When shifting from 4 -> 2 or from 2 -> 4 make sure you shift below 45MPH, and only when traveling in a straight line. You'll want to give it a little distance going straight before you turn to ensure that 4wd has disengaged completely. You should also let off the gas while shifting. If you're doing all of the above and are still having problems you might want to check your tires for uneven wear. If the wear is significantly different between the front and rear then one axle will be trying to turn faster than the other, causing the transfer case to bind and then finally pop (as you mentioned above) when the pressure is relieved. |
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| Author: | LostRenegade [ Sat Dec 12, 2009 7:55 pm ] |
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Tires are good with maybe an exception of one rear tire. I am goig to try rotating them to see if that helps. My rear is locked with a Detroit Locker, the front is still an open diff. |
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| Author: | LostRenegade [ Mon Dec 14, 2009 11:55 pm ] |
| Post subject: | |
Well I rotated my tires and so far its good. Haven't had the pop as it comes out of 4x4 mode. |
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| Author: | Auberon [ Fri Dec 18, 2009 1:06 pm ] |
| Post subject: | Easier on the t/case |
Letting off the gas is good advice, so is limiting speed @ on the fly changes. I try to change t'case positions in hi whilst decelerating so there is minimal load on drivetrain, seems to go more smoothely. I also immediately blip the throttle, that is, gently accelerate, then quickly throttle off a couple of times after I desengage, just to make sure it is released. Cheers Auberon |
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| Author: | nzoliver [ Mon Dec 21, 2009 6:30 am ] |
| Post subject: | Re: Transfer Case Issue |
Hi I go in and out of either 4wd mode in neutral and rolling at about 10mph.  No banging or crashing from the xfer case. When going to 2wd I 'check' the release by putting the truck in D and then back to N. No clunck means disengaged! Easy  Too many years driving Land Rovers...... 
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| Author: | LostRenegade [ Mon Dec 21, 2009 11:49 pm ] |
| Post subject: | Re: Transfer Case Issue |
This was a new issue. I've had my KJ for 6 years and 148K miles. No issues moving in and out of 4WD. My transfer case position sensor is messed up. It shows the opposite for 2HI vs 4HI on the instrument cluster. The issue of the banking started this winter when I started using the 4WD on a regular basis on icy roads. Earlier in the year I had an alignment problem and one of my front tires wore unevenly. After a tire rotation, this tire ended up on the rear axel. It didn't pose a problem until I used 4HI. Apparently it was worn a bit smaller than the other tire causing the rear axel to bind which caused pressure on the transfer case when locked. When it transfer case unlocked, the pressure was set free. Now that I rotated my tires, the big bang is no longer occuring. |
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| Author: | djui5 [ Tue Dec 22, 2009 11:03 pm ] |
| Post subject: | Re: Transfer Case Issue |
LostRenegade wrote: When it transfer case unlocked, the pressure was set free. Now that I rotated my tires, the big bang is no longer occuring. Do you have a rear lockers? If so then that is possibly the problem because the tires have to be at the same exact size (tread depth) and air pressure. |
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