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-   -   4WD turning (http://www.wranglerforum.com/f274/4wd-turning-122849.html)

thebman90 11-15-2011 12:20 PM

4WD turning
 
When I put my 2011 JKU in 4WD HI or LOW, it does not want to turn easily and jerks around a ton. Is this normal? My 2004 Grand Cherokee never did this in either of the gears...
Any comments is greatly appreciated. I have a few other issues going on with the Jeep as well.. Just want to make sure it is nothing I need to worry about. Thanks

MTH 11-15-2011 12:24 PM

Don't do that.

Your Wrangler uses a "true" 4wd system. Once engaged, the front and rear driveshaft need to spin at the same rate and therefore won't allow for the slightly different rate at which your wheels must turn when they all have essentially perfect traction on pavement while trying to go around a corner. The resulting binding causes the "crow hopping" you experienced.

When you engage 4wd while you have normal traction (i.e., on dry or even just wet pavement) you therefore risk damaging some of your drivetrain components.

Your Wrangler's 4wd system should ONLY be used in low traction situations. Generally, that means messy offroad conditions or completely snow covered roads.

Xnewyorka 11-15-2011 12:26 PM

^^^This

rics1997 11-15-2011 12:32 PM

What he said

kjeeper10 11-15-2011 12:45 PM

Your Cherokee had either select-trac or qaudra-trac depending on the year. More of a AWD I believe.

pokeefe8615 11-15-2011 01:17 PM

Yeah i learned this the hard way..what a noob i was!

onelostokie73 11-15-2011 01:30 PM

Totally agree with MTH. You will do damage if you use your 4WD on pavement and attempt tight turns.

ESP 11-15-2011 01:36 PM

We'll...I've got nothing to add to this.

kjeeper10 11-15-2011 01:43 PM

Quote:

Originally Posted by ESP
We'll...I've got nothing to add to this.

Just... Just... Go back to your thread and learn more about rolling resistance and unsprung weight :D

Hilldweller 11-15-2011 02:12 PM

Here's an instructional video to show you what your diff is doing:

How Differential Gear works (BEST Tutorial) - YouTube

ESP 11-15-2011 04:19 PM

Quote:

Originally Posted by kjeeper10 (Post 1746941)
Just... Just... Go back to your thread and learn more about rolling resistance and unsprung weight :D

Oh I've been doing that and getting banned in the process from the JK-Forums. Pretty sure I'm done with that place. :nonono:

MTH 11-15-2011 04:22 PM

Quote:

Originally Posted by ESP (Post 1747261)
Oh I've been doing that and getting banned in the process from the JK-Forums. Pretty sure I'm done with that place. :nonono:

:eek:

:confused:

kjeeper10 11-15-2011 04:29 PM

Quote:

Originally Posted by mth

:eek:

:confused:

x2

ESP 11-15-2011 05:56 PM

Jk forum = don't offer a different opinion than the mods.

kbwwolf 11-15-2011 06:08 PM

Quote:

Originally Posted by ESP (Post 1747503)
Jk forum = don't offer a different opinion than the mods.

Yup. Tried to give advice there that came from other sites...blocked. Their site, their rules, but seems counterproductive to the whole Jeep experience...

kbwwolf 11-15-2011 06:10 PM

As for the OP's question, like many others, all I can say is...

:eek:

Oh, and Hilldweller, even though he's the proud owner of a Power Wagon, and therefore the enemy :D merits consideration.

thebman90 11-15-2011 06:43 PM

Alright thanks guys! Appreciate it the help from fellow Jeepers!

Hilldweller 11-16-2011 04:40 AM

Quote:

Originally Posted by kbwwolf (Post 1747543)
Oh, and Hilldweller, even though he's the proud owner of a Power Wagon, and therefore the enemy :D merits consideration.

Gotta admit that the video kicks butt.

Ageless Stranger 11-16-2011 06:42 AM

Quote:

Originally Posted by ESP

Oh I've been doing that and getting banned in the process from the JK-Forums. Pretty sure I'm done with that place. :nonono:

Banned from a forum affiliated with Pirate 4x4???

Quote:

Originally Posted by ESP
Jk forum = don't offer a different opinion than the mods.

That's a shame. :nonono: I won't ban you for not agreeing with me Jude. :thumb:

Quote:

Originally Posted by kbwwolf

Yup. Tried to give advice there that came from other sites...blocked. Their site, their rules, but seems counterproductive to the whole Jeep experience...

That's why WF is the best.

Black2012 11-16-2011 04:07 PM

Quote:

Originally Posted by Hilldweller (Post 1747000)
Here's an instructional video to show you what your diff is doing:

How Differential Gear works (BEST Tutorial) - YouTube

Great video

thebman90 11-17-2011 08:43 AM

What about a switchback on the trail at low speeds? Normal for it to occur there too?

Hilldweller 11-17-2011 08:48 AM

Quote:

Originally Posted by thebman90 (Post 1751827)
What about a switchback on the trail at low speeds? Normal for it to occur there too?

If it's a real tighty, I switch to 2wd for it (if that's safe).
That front diff can bind and be a bear to swing around a tight turn. That can send you in the weeds if you're not careful sometimes.


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