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Unread 03-07-2014, 01:47 PM   #1
jester116th
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Towing a JK from the rear

I want to tow my JK with the rear wheels on a tow dolly and the fronts on the ground. Can I do this without dropping a Driveshaft?

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Unread 03-07-2014, 03:03 PM   #2
Ancient Mariner
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Rear Towing

I think the Owner's Manual says NO. I am just recalling this from glancing at it while looking at other stuff. If you don't have access to the Manual, I will be glad to take another look and see if I was right and shoot you a copy. I pull my '12 behind my motor home so I have been in the towing section tho I was looking for other info. Lemme know if you want me to root around for you. Glad to do it.
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Unread 03-07-2014, 04:19 PM   #3
flsailor
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I'm not sure if this would be different for auto vs. manual trans, but I know I can (and have) pulled my manual with all 4 on the ground. Leads me to think there should be no issue drivetrain-wise with towing in that setup. My concern would be with the steering. You would need the steering wheel to be locked perfectly straight, and in my mind that would be putting a lot of undue stress on the locking mechanism, which probably wasn't designed for handling that much force.

Any particular reason you want to pull it that way? Why not put the front wheels on the dolly?
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Unread 03-07-2014, 04:26 PM   #4
ronjenx
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The owners manual says no towing on a front or rear wheel lift.

"CAUTION!
Front or rear wheel lifts should not be used. Internal
damage to the transmission or transfer case will occur
if a front or rear wheel lift is used when recreational
towing."
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Unread 03-07-2014, 06:43 PM   #5
JIMBOX
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At 5 mph in a parking lot--no trouble-but

If you think you can cruise at 40/50/60 mph towing the JK in REVERSE--"BAM" undue stress not only on the ring/pinion gears (they're not unidirectional ground teeth), but-

The xfer case isn't geared/chained for that reverse wear at rpm, even pulling the Driveshafts would still subject the differential to the wrong wear and-

--BYBY WARRANTY--

Other than that how was your day ?

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Unread 03-07-2014, 07:00 PM   #6
ronjenx
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Quote:
Originally Posted by JIMBOX View Post
At 5 mph in a parking lot--no trouble-but

If you think you can cruise at 40/50/60 mph towing the JK in REVERSE--"BAM" undue stress not only on the ring/pinion gears (they're not unidirectional ground teeth), but-

The xfer case isn't geared/chained for that reverse wear at rpm, even pulling the Driveshafts would still subject the differential to the wrong wear and-

--BYBY WARRANTY--

Other than that how was your day ?

JIMBO
Regarding the differential turning when being towed backward...

Wouldn't the tooth contact and direction of thrust on the pinion be the same as when the vehicle is being driven forward under its own power?

It's being towed forward when all the forces in the differential are reversed, and that isn't a problem.
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Unread 03-07-2014, 07:17 PM   #7
JIMBOX
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Well, when towing forward, yes the ring gear is driving the pinion, same way the front diff. operates on the hiwy in 2wd, but

when (if), you tow in reverse, then the ring gear is driving the pinion gear--BACKWARDS--OPPOSITE DIRECTION OF THE GEAR DIRECTIONAL FLOW CUTS !

Like I said for a short/no speed tow, shouldn't be a problem, but at speed the reverse gears wear/thrust and more important--the diff. fluid wouldn't get 100% contact activity--now that might not be that crirical for "X" miles, but remember this is a Chrysler JK !!!

In the final analysis--I wouldn't doit--except in recovery !

Smpkemifyougotem

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Unread 03-08-2014, 04:59 AM   #8
jester116th
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I had it repo'd once and they towed it all over gods green earth with the rear in the air no damage. But it's mute anyway as Uhaul informed me that with the 37x12.5's I'm running that I'm to wide to fit on tow dolly or auto transport
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Unread 03-08-2014, 07:57 AM   #9
rirrgang
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Is it a 2WD or 4WD? 2nd question. Why would you want to?
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Unread 03-08-2014, 08:14 AM   #10
jester116th
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4 wheel drive of course. And because my wife doesn't have a DL so I wanted to tow it behind the Uhaul truck
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Unread 03-08-2014, 08:31 AM   #11
rirrgang
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Quote:
Originally Posted by jester116th View Post
4 wheel drive of course. And because my wife doesn't have a DL so I wanted to tow it behind the Uhaul truck
Put it on a trailer and do it the right way if that's all you need to do.
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Unread 03-08-2014, 08:42 AM   #12
JIMBOX
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Good grief, guys have been towing these JKs for over 6 years, behind motorhomes/w no problemo-

Do you think that yours is different?

Uhaul can outfit you with the towinglights/wiring for cheap, if you talk to them when you get ready to move !

Good luck

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Unread 03-08-2014, 08:50 AM   #13
HOKIES2010
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Buy a set of cheap wheels and tires, load it up and sell them when you get to where you are going. Will still be cheaper than a new txfer case.
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Unread 03-08-2014, 10:28 AM   #14
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Get your wife a DL?

+1 on they cheap wheel and trailer idea.


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