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Old 04-13-2014, 08:07 AM   #1
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Transfer Case questions

I have had problems cycling between 4wd and 2wd through every position since I bought my jeep in February but I just thought maybe it was just supposed to be difficult until one day I'm cruising along and my jeep kicks over from 4hi to 4 neutral because of a minor bump in the trail, really minor. I heard an awful grinding noise, and I tried to move the lever but if I moved it at all it was grinding. So I put it in park, more grinding, and turn the jeep off. Restart, goes right into 4hi for about 30ft to get me to the road and I took it to my mechanic. He adjusted the linkage, and straightened it out since it's bent, probably from me trying to force it into 4hi at some point, and checked the fluid. The fluid was dark brown and might have had metal shavings in it, they said it was indicative of a bad t case. I just wanted to get everyone's input, it only had 75k miles and I couldn't imagine it'd be this bad. Anyways I'm about to order a new one from CJinPA if you guys confirm our suspicions, should I rebuild this t case and sell it? It holds fluid so it's likely all internal, but would it be ethical? I'd hate to rebuild it and someone buy a failing t case. Thanks, Jason.

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Old 04-13-2014, 04:00 PM   #2
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I could really use some advice before I pull the trigger on this sale.

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Old 04-13-2014, 06:41 PM   #3
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Do you have a body lift?
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Old 04-13-2014, 07:11 PM   #4
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Do you have a body lift?
2 inches.
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Old 04-13-2014, 08:03 PM   #5
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2 inches.
That is probably leading to your issue. You probably need a new t case shifter that mounts straight to the t case like the one Novak makes
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Old 04-13-2014, 08:08 PM   #6
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That is probably leading to your issue. You probably need a new t case shifter that mounts straight to the t case like the one Novak makes
I'll look into it. What about my t case? I know you don't have a crystal ball buy would you say it needs to be replaced?
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Old 04-13-2014, 09:22 PM   #7
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Hard to say without driving it. I would disconnect the linkage and shift it at the t case and ser if it helps
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Old 04-13-2014, 11:10 PM   #8
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2 inches.
yeah, you may have changed enough that you might need to go Novak. While you're up there (I crack myself up), why not buy a belly skid and 1"MML? I mean, its not a bad idea considering you already have that body lift.
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Old 04-14-2014, 12:41 AM   #9
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I would change the fluid and totally disconnect the shift mechanism. Drive it in 2 wheel drive, go back to your off road spot and get under there and shit it into 4wd manually and drive it. If it doesn't grind or pop out you know that it was a combination of the shift linkage and body lift causing the problems. If it doesn't grind order the Novak shifter. I have one and it is great.
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Old 04-14-2014, 04:13 AM   #10
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the NP231's chains like to stretch after time and miles. I also would recommend the Novak shifter
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Old 04-14-2014, 08:01 AM   #11
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I would change the fluid and totally disconnect the shift mechanism. Drive it in 2 wheel drive, go back to your off road spot and get under there and shit it into 4wd manually and drive it. If it doesn't grind or pop out you know that it was a combination of the shift linkage and body lift causing the problems. If it doesn't grind order the Novak shifter. I have one and it is great.
I will try this. Last night I had a few beers and adjusted my linkage, I took it to a much more demanding trail and had no problems. My mechanic adjusted my linkage also but I think he just tightened it, he didn't adjust it. He's a great mechanic until it comes to anything off-road, go figure. I was even able to use 4lo for the first time in owning my jeep. So should I leave this be, or order the shifter, or replace the chain in the t case? Or some combination of that?
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Old 04-14-2014, 08:14 AM   #12
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Quote:
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Do you have a body lift?
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Originally Posted by Sheklikak View Post

yeah, you may have changed enough that you might need to go Novak. While you're up there (I crack myself up), why not buy a belly skid and 1"MML? I mean, its not a bad idea considering you already have that body lift.
My apologies to all, I do not have a body lift, I have a 2 inch suspension lift. I dimmed past "body" lol.
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Old 04-14-2014, 04:20 PM   #13
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Cheapest way might be a transfer case lowering kit. 1" should do it. Do you also get vibration when going 30-50mph?
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Old 04-14-2014, 08:54 PM   #14
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Cheapest way might be a transfer case lowering kit. 1" should do it. Do you also get vibration when going 30-50mph?
No offense but this won't solve any of the OP's transfer case shifting problems.

To the OP, glad you got it working. If its not giving you any problems then there is no reason to tear into you T-case. I get a slight grind every now and then, has to do with the internals spinning and not quite lining up. If it worked, I'd change your fluid again if you haven't already done so and save up for the Novak. Even with the transfer case in its stock position the Novak cable makes it shift so much better and the likely hood of it breaking compared to the stock shift linkage is not even close.
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Old 04-15-2014, 06:43 AM   #15
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No offense but this won't solve any of the OP's transfer case shifting problems.

To the OP, glad you got it working. If its not giving you any problems then there is no reason to tear into you T-case. I get a slight grind every now and then, has to do with the internals spinning and not quite lining up. If it worked, I'd change your fluid again if you haven't already done so and save up for the Novak. Even with the transfer case in its stock position the Novak cable makes it shift so much better and the likely hood of it breaking compared to the stock shift linkage is not even close.
It's been raining here so I haven't taken it off-road because if I do have problems then I won't make it back in 2wd in the mud. I will go ahead and buy the Novak shifter, I get the feeling my linkage will fail before too long and I miss the outdoors lol. Is it fairly easy to install myself or do I need to take it to a mechanic? (Not mine, since he doesn't even know how to adjust the linkage)
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Old 04-16-2014, 12:57 AM   #16
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I would say its fairly easy to install. Simple hand tool are all that's required. You will have to drop your skid plate though to get to everything. Make sure you support your transfer case in the rear or the front otherwise it will sag down. Also, you can shift your transfer case into 4h/4L on dry/wet pavement, it's not going to hurt anything exp in a straight line. That way you don't have to worry about getting stuck off road, a parking lot or side street should work.
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Old 04-24-2014, 08:53 AM   #17
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I would just like to say after adjusting my linkage myself and tightening the snot out of it, I have had zero problems anywhere I go. I hope this helps someone else, my mechanic wanted me to buy a t case when he couldn't just adjust my linkage!

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