OK to tow WJ in neutral with tow dolly? - Page 2 - JeepForum.com
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post #16 of 26 Old 10-05-2021, 05:14 PM
wjpaul
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Again, I have towed my WJ for 10's of thousands of miles by following the procedure in the Jeep manual as I stated in my previous post on this thread. Key one click towards run, transmission in PARK (critical) and transfer case in Neutral. Yes, gears in the transfer case are turning, but they are in an oil bath so no lube issues.


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post #17 of 26 Old 10-05-2021, 08:16 PM
Bigrigr
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As I understand it, WJpaul has nailed it here. But only IF you have the select-trac transfercase. QD II, and QTII both have the AWD system, and cannot be towed unless all for wheels are off the ground. This is due to the couplers in the transfer case, AND the clutches in the axles in the QDII. Select-trac should be a true neutral transfercase, with open differentials in most cases.

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post #18 of 26 Old 10-05-2021, 11:37 PM
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Quote:
Originally Posted by Bigrigr View Post
As I understand it, WJpaul has nailed it here. But only IF you have the select-trac transfercase. QD II, and QTII both have the AWD system, and cannot be towed unless all for wheels are off the ground. This is due to the couplers in the transfer case, AND the clutches in the axles in the QDII. Select-trac should be a true neutral transfercase, with open differentials in most cases.
If the transfer case is in neutral, then the coupler is not involved. The input/output shafts would just be spinning freely. As far as the QT II/QD II differentials, if turning was an issue, that would be a problem while driving (which it's not).
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post #19 of 26 Old 10-06-2021, 07:42 AM
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Can you guys educate me further on transfer case in neutral but tranny in Park? I expected tranny in neutral as well. The rear driveshaft still turns when towing on all fours. That seems illogical but I am sure I just need to understand something better.

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post #20 of 26 Old 10-06-2021, 08:36 PM
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Originally Posted by leadsled jeep View Post
Can you guys educate me further on transfer case in neutral but tranny in Park? I expected tranny in neutral as well. The rear driveshaft still turns when towing on all fours. That seems illogical but I am sure I just need to understand something better.
The driveshaft turns because it is still connected to the rear wheels and differential. If the transfer case is in neutral, there is no transfer of power from the driveshaft(s).
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post #21 of 26 Old 10-06-2021, 09:30 PM
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I would go by what your Jeep's owners manual says.

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post #22 of 26 Old 10-06-2021, 11:34 PM
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Quote:
Originally Posted by SoCal2004wj View Post
If the transfer case is in neutral, then the coupler is not involved. The input/output shafts would just be spinning freely. As far as the QT II/QD II differentials, if turning was an issue, that would be a problem while driving (which it's not).

We have had other posts about the 247 transfer cases being towed on a tow dolly with very bad results. The last one was a tow job by a towing company that had just lifted the front end and put the transfer case in neutral. Perhaps the flat towing would be OK, I dont know for sure. But the OP was asking about using a tow dolly specifically.

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post #23 of 26 Old 10-07-2021, 04:41 AM
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Good point, sorry OP about rabbit trail here. I have no plans to tow but was just trying to soak up your info guys.

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post #24 of 26 Old 10-09-2021, 09:47 PM
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Quote:
Originally Posted by Bigrigr View Post
We have had other posts about the 247 transfer cases being towed on a tow dolly with very bad results. The last one was a tow job by a towing company that had just lifted the front end and put the transfer case in neutral. Perhaps the flat towing would be OK, I dont know for sure. But the OP was asking about using a tow dolly specifically.
Good point, I forgot the original post was about towing on a dolly
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post #25 of 26 Old 10-10-2021, 07:35 AM
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You can flat tow (all four on ground) with any tcase. The issue comes when you have the front in the air and the rear is still turning.

The tranny must be in P so nothing in the trans is turning. The trans is lubed by the oil pump which is turned by the torque converter. If the engine isnt running, the tranny will not be lubed, so it needs to stay in P.

For the tcase, idk how the 247 is setup internally, so I cannot comment on it. Supposedly the rear output turns the oil pump in the 242, so in theory, it SHOULD be ok to tow with the rear on the ground and the front on a dolly, but DO NOT take my word....

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post #26 of 26 Old 10-12-2021, 04:50 AM
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Disconnect the drive shaft after it's on the dolly, Then use a ratchet strap to hold it in place. I did this with my ZJ.
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