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Old 05-28-2019, 07:43 PM
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Beach driving and engine codes

I just picked up a 2011 to flat tow behind my RV. We went to OBX and did some beach driving. I have a couple of questions based on my experience. First, the Jeep did great. No slipping or hanging up in the sand. I saw many trucks get stuck in the deep, loose sand exiting the beach. I ran 18lbs tire pressur. My questions:

1) When I went about 2.5 miles I stopped and thought something smelled hot. The dealer painted the frame and possibly the muffler black so it could be hot paint. It smelled similar to brakes. I just had the the emergency brakes replaced prior to the trip. Additionally, I got a misfire, P0304 and hot transmission code at one point. I let it cool down and reset the codes and they haven't come back. I started driving in 1st gear and had RPM between 1600-2000 thinking this would keep torque converter locked.

2) What is the best way to drive in heavy sand? I ran in Drive then tried 1st gear thinking it might keep converter locked up and better RPM for tq curve.

Thanks!

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Old 05-28-2019, 07:58 PM   #2
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Were you in 4h or 4l? 4l tends to heat things up a bit depending on speed and effort. I use 4h and have never had a problem here in DE where the sands is much softer and thicker than obx traditionally is .

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Old 05-28-2019, 08:10 PM   #3
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With an automatic in the sand around here, always 4L. Too many stories of transmissions overheating and the oil vents out and catches fire. I have been on the beach 4 years and know of 2 JKs that burnt. Don't know if that was the exact cause, but that was the story going around. Had a Police truck burn this weekend. He got stuck on a 100* plus beach.


Also, press and hold the traction button till you hear the chime. Your motor may have been fighting your nanny.


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Old 05-28-2019, 08:23 PM
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Originally Posted by mj23afs View Post
Were you in 4h or 4l? 4l tends to heat things up a bit depending on speed and effort. I use 4h and have never had a problem here in DE where the sands is much softer and thicker than obx traditionally is .

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I was in 4H.
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Old 05-28-2019, 08:25 PM
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Originally Posted by Dr Obbins View Post
With an automatic in the sand around here, always 4L. Too many stories of transmissions overheating and the oil vents out and catches fire. I have been on the beach 4 years and know of 2 JKs that burnt. Don't know if that was the exact cause, but that was the story going around. Had a Police truck burn this weekend. He got stuck on a 100* plus beach.


Also, press and hold the traction button till you hear the chime. Your motor may have been fighting your nanny.


Wow! Never heard of that. I turned off the traction control but I didn't hear any chime. I held the button a few seconds. How long should I have held it? Thanks!
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Old 05-28-2019, 09:48 PM   #6
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I smelled something hot after my first drive on the beach, too (2016 6-speed manual in 4H, mostly 2nd gear at 15-20mph). Assumed it was hot transmission fluid. I've smelled the same thing in other cars after a long climb up a mountain road in a low gear. I stopped and rested it awhile, and it was fine. Not sure if there are any error codes...guess I'll find out the next time I visit the dealer.
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Old 05-29-2019, 04:55 AM   #7
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Wow! Never heard of that. I turned off the traction control but I didn't hear any chime. I held the button a few seconds. How long should I have held it? Thanks!
I installed the cutoff switch mod so it's been a while. I think you need to be in 4L and hold the switch 7 seconds.
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Old 05-29-2019, 08:17 AM   #8
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I installed the cutoff switch mod so it's been a while. I think you need to be in 4L and hold the switch 7 seconds.
You can do it in 4H, too.

On a related note, I found this article interesting.

https://www.carsguide.com.au/adventu...your-4x4-69074
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Old 05-30-2019, 07:57 AM
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I found this article but it seems it permanently disables TCS and doesn't seem to say how to turn it back on.

https://www.autoevolution.com/news/h...-jk-73484.html

I hit the "off" button and the light stayed on, on the dash indicating it was off. However, I only push the button once.

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