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Unread 08-06-2011, 05:58 AM   #1
NeverL8
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Need help asap stuck on side of the road

Just pick up 2000 jeep gc 4x4 4.0l 175000 from the dealer 400 miles away. Car run and drive good. The shifter was in 2 wd mode whole time I left dealer. Put on some gas and drive home . As soon I get on 75mph steering wheel shake or vibration. I call the dealer he say he never drive that fast so he don't know. He say could need alligment or bad tires. I was thinking I fix those when I get home. 200 miles later on high way travel 70mph I heard a loud humble noise coming from under the car. Then suddenly the car making jerking . Like when u hit the brake really hard. Then I saw smoke under the car. I pull over and look under . Saw alot fluid coming out from front diff and transfer case area. I call the dealer and he agree fix everything. The tow truck guy say" did you drive this thing in 4wd ? I say no. The shifter was on 2wd mode whole time I left dealer. He say the car in 4wd whole time. I don't know wat to do. The dealer say tow the car to any hotel and stay there a night. 172 for tow and 50 for hotel. I don't know wat to do now I need get home and I need a car for school.

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Unread 08-06-2011, 06:03 AM   #2
NeverL8
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I did bought 3000 miles or 4 month power train warranty for 100 dollar but only pay 50 dollar. My question is how come I'm in 4wd mode when it say 2wd mode on the shifter.

You think dealer will fix this ? And wat else will be damage when this happent. The tow truck say transfer case and front diff properly need replace and rear diff too.

It's Saturday and I'm stay in hotel 200 miles away. Dealer say he will call me in the morning.
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Unread 08-06-2011, 06:59 AM   #3
shepd
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Sounds like you have selec-trac from the 2WD option on the shifter. If that's the case, if there's no light on the dash saying you're in part-time and the shifter isn't obviously in 4LO, there's nothing wrong with being on the highway in 4WD. Selec-trac permits 2WD and 4WD Full Time on the highway. 4LO and 4WD Part Time cannot be used on anything but slippery surfaces.

Of course, the transfer case *should* select the correct setting. But if there's a problem, maybe it wouldn't. But you'd definitely see that light on the dash then.

Sorry, can't help past that, except to ask if the fluid leaking out smells sulfurous or not. If it does, that's gear oil, and if it was smoking, I'm guessing the differential leaked and that means the diff is pooched. If it doesn't, hard to say, but the fluid in the transfer case would be red, because in the Selec-trac it's the same stuff that's in the transmission. Hopefully in that case it is the transfer case, because the transmission is sure to be pretty expensive.

Let us know which one died!
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Unread 08-06-2011, 07:03 AM   #4
NeverL8
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Their is no light on the dash say I'm I'm 4wd . And I just look under the car this morning. The front diff is the one that leak badly. The transfer case and rear diff is dry. So front diff blow up cause any other part broke too ?
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Unread 08-06-2011, 07:53 AM   #5
shepd
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I imagine the only things the front diff would be able to blow up would be stuff directly connected to it, such as carrier/pinion bearings, axle shafts, possibly drive shaft. Still ain't cheap! You'd know if the drive shaft were done in I think, though. And the axle shafts aren't too expensive. It's the diff that's going to cost $$$. But, if you have the warranty, hey, it's an easy enough fix. They'll probably just pull off the old axle from a junkyard vehicle and put in a new one with a good diff, that'd fix everything all at once and be pretty cheap, since the D30 in the front of the Jeep is not exactly a popular axle anyways.
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Unread 08-06-2011, 08:10 AM   #6
NeverL8
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I just check again rear diff left side seal is leaking black fluid bad.
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Unread 08-06-2011, 10:26 AM   #7
shepd
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Well, the seals do leak on these things, but it should be fixed. Depending on where you are, a leaking axle seal shouldn't have even passed inspection/safety.
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Unread 08-06-2011, 11:49 AM   #8
ratmonkey
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Quote:
Originally Posted by NeverL8 View Post
I just check again rear diff left side seal is leaking black fluid bad.
axle seals and wheel bearings need replaced then.

the front could have roasted for a number of reasons. but 4wd isn't one of them the whole front end turns no matter if you're in 4wd or 2.

i'm betting either just plain bad pinion bearings or someone reused the pinion nut when the replaced a pinion seal causing the pinion to fall into the ring gear area and break things really badly.

good luck with the dealer covering it.

is english a second language?
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Unread 08-06-2011, 12:34 PM   #9
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Yes
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Unread 08-06-2011, 01:02 PM   #10
shockracer
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I would make sure the dealer pays for it. Bet the diff was low on fluid got hot and boom! Low fluid can keep the axle locked if you have that option on the jeep. Sucks man keep us informed on what they find.
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Unread 08-06-2011, 01:08 PM   #11
NeverL8
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I'm stuck here at boosier city la ATM. No u haul or any other towing company have one available til Monday
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Unread 08-06-2011, 01:09 PM   #12
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On my 4wd shifter it say neutral press down. Wat that for '?
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Unread 08-07-2011, 12:08 AM   #13
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Made home ok, when my mind clear, I tell story, need sleep.
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Unread 08-07-2011, 12:15 AM   #14
Newb1995jeepgc
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Neutral on the shifter if for towing.. it unlocks the Transfer case from the axles so you can tow it on like a uhaul car trailer that only is made to put the front tires on it... its so the front and rear tires can spin at different rates without hurting anything.
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