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Old 02-22-2009, 05:25 PM   #1
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Question Wrangler Sahara JK low speed turn issue

At low speed during 90' turns (such as into parking spots) while in 4WD I've noticed a lurching in the front wheels of my 'X' JK Sahara. It's almost feels like the front wheels bind up and there is an accompanying loss of steering control. It's a feeling similar to sliding on ice.

This does not occur on similar type truns while driving in 2WD. This happens in wet conditions. I plan to take the Jeep in to the dealer.

I'd appreciate feedback from anyone who has experienced this in thier JK and can provide an explanation/analysis of the situation.

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Old 02-22-2009, 05:58 PM   #2
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Nothing is wrong. You should not use 4wd on dry roads like parking lots, it binds the front driveshafts up and could cause a u-joint to bust.

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Old 02-22-2009, 06:15 PM   #3
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Yeah, there is nothing wrong with the drivetrain. The Jeep has a true 4x4 drivetrain and when you turn a sharp corner, the front wheels make a larger radius turn than the rear wheels but the drivetrain is spinning both the front and rear at the same speed. Basically, you feel the tires slipping as the Jeep lurches forward to make up for the difference in distance travelled from the front wheels to the back wheels.
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Old 02-22-2009, 06:30 PM   #4
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Agreed. That's the nature of 4wd, limited slip, and sharp turns...it'd be substantially worse if your front axle was a locker. Your Jeep is doing exactly what it was designed to do.
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Old 02-22-2009, 07:02 PM   #5
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Thanks to all for the information. This thing is great in all types of driving conditions - on and off road. I'm glad this wasn't a mechanical problem.
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Old 02-23-2009, 11:57 AM   #6
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Read some of the topics here; you don't want to break your Jeep:
Jeep - 4x4 Basics - SUVs, Sports Utility Vehicles, 4WD, Off-Road 4x4s
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Old 02-25-2009, 10:19 AM   #7
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Thanks for the information.

Hilldweller,

I appreciate your help. The link clarified my questions regrading the operation of the drive system.

Much appreciated!

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Read some of the topics here; you don't want to break your Jeep:
Jeep - 4x4 Basics - SUVs, Sports Utility Vehicles, 4WD, Off-Road 4x4s
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Old 12-03-2010, 03:35 AM   #8
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Good thing I found this thread, was about to call the service center as well. Thanks everyone.
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Old 12-03-2010, 05:59 AM   #9
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Quote:
Originally Posted by publius View Post
This does not occur on similar type truns while driving in 2WD. This happens in wet conditions. I plan to take the Jeep in to the dealer.
You should not be using 4WD in "wet" conditions. Please read your owner's manual to get an idea of the proper use of 4WD.
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Old 12-03-2010, 06:02 AM   #10
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Good thing I found this thread, was about to call the service center as well. Thanks everyone.
It's apparent that dealers are not explaining the proper use of 4WD. They should at least be pointing new owner's to the proper section of the owner's manual.
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Old 12-03-2010, 07:14 AM   #11
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just to clarify, making sharp turns on loose terrain or slippery surfaces (where 4x4 is needed) will not result in lurching or binding, right?
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Old 12-03-2010, 07:47 AM   #12
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Quote:
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just to clarify, making sharp turns on loose terrain or slippery surfaces (where 4x4 is needed) will not result in lurching or binding, right?
That's right...your wheels will have the necessary "slip" due to the loose/slippery ground and you won't even notice the slippage...no binding!
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Old 12-03-2010, 12:18 PM   #13
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Wranglers are 4wd vehicles not awd vehicles. Use 4wd only if you have to, not because you have it. No dry, no wet. It's not needed. Probably over 95% of the time you won't use it, but when you do need it there is none better.
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Old 12-04-2010, 02:54 AM   #14
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Originally Posted by daggo66 View Post
It's apparent that dealers are not explaining the proper use of 4WD. They should at least be pointing new owner's to the proper section of the owner's manual.
Hey 4WD sheriff, it was deep wet snow when I noticed the lurching, wouldn't have made it without it.
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Old 12-04-2010, 06:00 AM   #15
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Hey 4WD sheriff, it was deep wet snow when I noticed the lurching, wouldn't have made it without it.
No need to get your panties in a bunch. My statement stands. If you understood 4WD you wouldn't have "been about to call the service center."

Dealers should be explaining that Wranglers have a part time 4WD system and when it should be used.
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Old 12-04-2010, 06:29 AM   #16
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Originally Posted by daggo66 View Post
It's apparent that dealers are not explaining the proper use of 4WD. They should at least be pointing new owner's to the proper section of the owner's manual.

Most of the dealers I talked to had no idea the proper use of 4wd. They didn't know how to properly shift into 4wd, and most encouraged me to shift on dry pavement to "try it out" which was stupid because the only thing you notice is the binding on turns which makes it feel broken to a n00b..

They also didn't bother mentioning anything about the engine break in period, or the jeep wave
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Old 12-05-2010, 04:50 AM   #17
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No need to get your panties in a bunch. My statement stands. If you understood 4WD you wouldn't have "been about to call the service center."

Dealers should be explaining that Wranglers have a part time 4WD system and when it should be used.
My dealer was a Croatian, spoke broken English, and was basically a paper pusher for an overseas military car exchange program. He sold Chrysler, Honda, Ford, and even Harley's. I wouldn't expect him to know the in's and out's of proper 4WD use in a Jeep Wrangler, that's why I'm doing the research myself on this great forum. I just hope the fact that I am a newb isn't too annoying for you.
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Old 12-05-2010, 05:59 AM   #18
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You weren't annoying until you made a sarcastic remark directed toward me. The first think you should do before engaging 4WD is to read your owner's manual. It gives the basic do's and don't's. If you're still unsure then it's time to research the differences between part-time 4WD (Which your Wrangler has), full-time 4WD, and AWD.

Understanding 4WD systems - CNN
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Old 12-05-2010, 09:56 AM   #19
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If people actually rea owners manuals these days I'd have an easier IT job.
Not to mention since we live in a tech generation, most people will try to find answers or friendly help online before they will try for themselves. Just how it is. It is never going to change.
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Old 12-07-2010, 10:30 AM   #20
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Quote:
Originally Posted by daggo66 View Post
You weren't annoying until you made a sarcastic remark directed toward me. The first think you should do before engaging 4WD is to read your owner's manual. It gives the basic do's and don't's. If you're still unsure then it's time to research the differences between part-time 4WD (Which your Wrangler has), full-time 4WD, and AWD.

Understanding 4WD systems - CNN
What is this owner's manual you speak of? What does AWD stand for? This forum is way too technical for me..... More sarcasm, I know you love it.
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Old 12-07-2010, 12:52 PM   #21
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Originally Posted by popstop785
If people actually rea owners manuals these days I'd have an easier IT job.
Not to mention since we live in a tech generation, most people will try to find answers or friendly help online before they will try for themselves. Just how it is. It is never going to change.
+1

And the best techs are guys that didnt read, and broke shit so they were forced to fix it. It's just more expensive and time consuming when its you're car.
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Old 12-07-2010, 12:56 PM   #22
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By the way, for anyone who doesn't know, you can download manuals here (https://www.jeep.com/hostb/crossbrand/owners/en/). They come in searchable PDF formats with tables of contents. Very helpful.
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Old 12-07-2010, 01:32 PM   #23
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I'm a new Jeep and 4wd owner. I've read these posts quite a bit so knew about the potential for binding and not driving the 4wd on dry roads, but I will say the DVD/owners manual is a pain in the rear. What happened to the good old fashioned manuals? How many people have a DVD player in their vehicle for quick reference???

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