Won't go in the snow - JeepForum.com
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post #1 of 24 Old 03-09-2019, 12:25 PM Thread Starter
Juniper888
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Won't go in the snow

Hello Everyone!

I had a 2013 Jeep Wrangler Unlimited Sport which I traded in recently for the 2018 model. We have about 5 inches of snow on the ground. When trying to drive the 2018 Jeep in the snow whether I am in 4-High or 4-Low, it does not perform like the 2013. With the 2013, in 4-High, I could push snow when it was 2 feet plus and with the 2018, in about 5 inches of snow, I can't even get 100 yards. I took it in to the dealer to have it checked out and nothing was found. I am wondering if anyone else has had the same issue and/or if you could provide any suggestions as to why the 2018 doesn't perform like the 2013 please.

Thank you very much and have an awesome day!

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post #2 of 24 Old 03-09-2019, 01:11 PM
CJ7-Tim
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Define and explain "Won't go" ?

I am wondering what type of tires or differential traction devices are on 2018 vs the 2013 ?

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post #3 of 24 Old 03-09-2019, 03:07 PM
Jerry Bransford
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X2, my bet is it's a tire issue.
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post #4 of 24 Old 03-09-2019, 06:28 PM
Fourtrail
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Tires and/or the 2013 had a rear limited slip and the 2018 is an open rear diff.

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post #5 of 24 Old 03-09-2019, 06:39 PM
wildbill23c
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So the new Jeep Wranglers aren't capable in the snow, good to know .

I'd have to guess with the vague information in the OP that its tire related, I can't think of anything that major between 2013 and 2018 that would cause such a huge drive-ability issue other than completely different tires.

So when it "doesn't go in snow" what does that mean, it won't move? Doesn't have traction? Won't start? That's a pretty vague description to decipher.

I'd start with a tire issue, too much air in the tires creating little traction, wrong tire tread to begin with for snow would be a huge issue. Rear differential may be limited slip in the newer one making it want to try and walk sideways on you when in 4WD?
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post #6 of 24 Old 03-10-2019, 07:03 AM
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Too many variables to make a good assessment.
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post #7 of 24 Old 03-10-2019, 11:04 AM
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Quote:
Originally Posted by Jerry Bransford View Post
X2, my bet is it's a tire issue.
X2. This is pretty much a common thing now a days.
all the vehicle manufacturers have gone to these perf all season tires which don't do squat in the snow.
I have customers that come in with their brand new Tahoes, Suburbans and Silverados complaining that they either get stuck or slide all over the place.
If your jeep came equipted with the bridgestone dueler h/t they are about as good as a set of racing slicks in the snow.

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post #8 of 24 Old 03-11-2019, 06:40 PM Thread Starter
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Thank you very much for all your replies. The tires are studded snow tires with 75% tread. The same tires that were on the 2013 Jeep and we had the dealer switch the tires to the 2018 when we purchased.in December. Won't go, means it will not go up a 5% grade with 5 inches of snow on the ground with tracks already in the road. Not walking sideways, just has no traction. It has the Command-Trac 4X4 system and electronic stability control that you can turn on and off. We have tried it both ways per the recommendation of the service department. We love the vehicle and that is why we traded the old in the for the new. We have driven the 2018 on the highway in snow packed roads and/or ice with no issue. I also have a 99 Dodge 3/4 ton diesel pickup and I ran it up the same hill in 4H that also has studded snow tires and never slipped once. The jeep is supposed to go anywhere fast or slow over rocks, through water and I am having a hard time climbing a small grade. I am getting frustrated and thinking I should have my 2013. Any more ideas and/or thought are greatly appreciated. Thank you!
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post #9 of 24 Old 03-11-2019, 06:53 PM
Jerry Bransford
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Your new JL has the same transfer case the TJ and JK has, which means it has the same 4x4 ability. Something else is going on, it's not the JL design that is causing your problem.

If you by any chance aired your tires down, don't do that on slick surfaces. The bigger the surface area the easier it is for it to slide on slick surfaces. That's why people in areas that have heavy snow and ice on their roads run tall skinny "pizza cutter" tires.

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post #10 of 24 Old 03-11-2019, 07:46 PM Thread Starter
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What do you think might be going on? Tires are running at 50 PSI 205/70/17. Another thing to consider. Drove over plowed snow that was at the base of my driveway and the vehicle went over it and then I killed it by accident. Started it up and spun and almost got stuck. Took it out of 4H and put it back in and was able to push snow and make tracks in about 16 - 18 inches. Dealer Service Department shows no codes and states that nothing is wrong. They said the took it for a test drive however, we couldn't find anywhere to get off the highway and test it out before coming home. We are 2 1/2 hours from the Dealer which is located in a big city. I contemplated driving over some of the huge snow piles off the side of the road, however I was afraid I would get stuck! Therefore, waited until I got home and tried on the same area with the same results.
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post #11 of 24 Old 03-12-2019, 09:43 AM
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If your tires are aired to 50 psi as you say they have about 20 psi too much air in them. Drop the air pressure to what is listed on your door jam.
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post #12 of 24 Old 03-12-2019, 10:04 AM
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When you have no traction, are you spinning at least 1 front tire and 1 rear tire? If so, then that's just an open diff issue.

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post #13 of 24 Old 03-12-2019, 10:26 AM
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Quote:
Originally Posted by Red Rubicon View Post
If your tires are aired to 50 psi as you say they have about 20 psi too much air in them. Drop the air pressure to what is listed on your door jam.
X2. You have WAY too much air pressure in those tires. 30-32 lbs is where you should be. Having them aired up that much severely reduces their traction.

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post #14 of 24 Old 03-12-2019, 01:08 PM
Jerry Bransford
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Who put 50 psi in the tires? If you did and if it was because the sidewalls say 50 psi on them, be aware the air pressure on an automotive tire's sidewall is only its maximum safe air pressure which is never the correct air pressure to use.

For that size tire, which is roughly 28x8 in inches, something like 33 psi would be more appropriate. Look at the decal on your doorjamb to see if that size tire is listed. Correct tire air pressures vary even for the exact same tire, it depends on the weight of the vehicle. The same exact brand & model 205x75R17 tire will have multiple correct air pressures, all of which depend on the weight of the vehicle it's supporting.

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post #15 of 24 Old 03-12-2019, 05:20 PM
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Quote:
Originally Posted by Juniper888 View Post
Started it up and spun and almost got stuck. Took it out of 4H and put it back in and was able to push snow and make tracks in about 16 - 18 inches.
This sounds odd to me. You had it in 4wd, it spun and you almost got stuck, then you shifted out of and back into 4wd whereupon it then had traction enough to drive through much deeper snow. To me it sounds like you might be having difficulties getting it to fully shift into 4wd or maybe there's an issue getting the front axle CAD to engage. A check to verify you do actually have at least one of the front tires spinning when you are stuck would be prudent.

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