Wrangler in the winter?

iamstillvince

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Like all others have said, Jeeps' have historically had amazing heaters. This continues with the JL's. You won't be disappointed. Definitely recommend getting one with thermostat climate control, and the cold weather package (remote start, heated seats, heated steering wheel). Very nice in winter!

One thing I haven't seen others mention. You said you're getting a Sahara, which comes with street tires. Good! If you plan to upgrade to either mud or all-terrain tires, I would keep around those factory tires for winter. Both MT & AT tires look cool and are great offroad, but they really suck in ice and dryer snow. (they're okay in wet snow, but then again most tires are)
I ran my all seasons on everything until 2 years ago, had a renegade and added geolander at, was way better than all season. I'm in Alberta canada so real winter hits hard.
On that note, about to test the ko2 with 40cm of fresh snow about to fall. Just bought a sport s with mopar lift and 33 ko2.





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OnlyOne

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With ko2 37s I don’t even put it in 4wd.
 

Neanderthalman

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I ran my all seasons on everything until 2 years ago, had a renegade and added geolander at, was way better than all season. I'm in Alberta canada so real winter hits hard.
On that note, about to test the ko2 with 40cm of fresh snow about to fall. Just bought a sport s with mopar lift and 33 ko2.
I think you'll be pleased with the KO2s in snow.
 

iamstillvince

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Well my ko2 seemed to be ok but the wipers were not. Big blizzard storm today went for a drive to see how it handles snow, had to get out twice to clear wipers and barely drove anywhere, not sure of factory blades are crap for winter and I need to buy a better set or it's just the flat windshield.

2020_11_08_15_18_18_1_driveway_3.jpg
 

Suffolklou

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Sahara is a great choice as it has the Limited Slip Diff option (best for snow) whereas the Rubicons with Lockers not so much. I know Rubi owners with kick and scream about that statement but LSD beats Lockers all say long in most snow driving.
I am a rubicon owner and this is true. With the Tazer JL I can lock my lockers in 4 hi, so....
 
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Well my ko2 seemed to be ok but the wipers were not. Big blizzard storm today went for a drive to see how it handles snow, had to get out twice to clear wipers and barely drove anywhere, not sure of factory blades are crap for winter and I need to buy a better set or it's just the flat windshield.

2020_11_08_15_18_18_1_driveway_3.jpg
I think it's the windshield and the defrost vents from what I've been reading.
 

Heimkehr

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Well my ko2 seemed to be ok but the wipers were not. Big blizzard storm today went for a drive to see how it handles snow, had to get out twice to clear wipers and barely drove anywhere, not sure of factory blades are crap for winter and I need to buy a better set or it's just the flat windshield.

2020_11_08_15_18_18_1_driveway_3.jpg
Are winter blades locally available? They're usually shrouded in a thin & flexible rubber. This design does serve to mitigate snow & ice buildup which would adversely affect the wipers' performance.

Yes also to the known issue with the airflow through the JL's defrost vents.
 

Mikeoso

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I've run KO2s on everything I own for quite a while, and they have done really well in Iowa snow. If I ever wear out the factory Bridgestone ATs I'll get KO2s for this jeep too.
 

OnlyOne

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I just drive my daily beater in the snow. It’s got studded Hakkas

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aldo98229

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Well my ko2 seemed to be ok but the wipers were not. Big blizzard storm today went for a drive to see how it handles snow, had to get out twice to clear wipers and barely drove anywhere, not sure of factory blades are crap for winter and I need to buy a better set or it's just the flat windshield.

2020_11_08_15_18_18_1_driveway_3.jpg
TFL posted a video last week complaining about the crummy windshield defroster on their JT.
 

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I am a rubicon owner and this is true. With the Tazer JL I can lock my lockers in 4 hi, so....

The problem with Rubicon Lockers in snow is when one tire brakes they both break free resulting in loss of traction on both sides whereas the LSD on the Sahara the LSD is intermitent as needed when one brakes free the other comes in to offset traction loss and regain balanced traction. Also turning on snow and ice with Lockers engaged is problematic as well and will encourage slipping. $h or 4L does not changes the functionality of lockers. Again I have Eaton Lockers on the front of my Sahara with LSD rear, I have more traction issues with the Lockers engaged whereas they actually become a safety issue compared to Rear LSD and fronts no engaged.
 

OnlyOne

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I have yet to have any issues whatsoever in any amount of snow. Rubicon or not. The TC that comes standard on all models is quite capable. I’m sure the LSD is just fine as is the Rubicon.
 

Suffolklou

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The problem with Rubicon Lockers in snow is when one tire brakes they both break free resulting in loss of traction on both sides whereas the LSD on the Sahara the LSD is intermitent as needed when one brakes free the other comes in to offset traction loss and regain balanced traction. Also turning on snow and ice with Lockers engaged is problematic as well and will encourage slipping. $h or 4L does not changes the functionality of lockers. Again I have Eaton Lockers on the front of my Sahara with LSD rear, I have more traction issues with the Lockers engaged whereas they actually become a safety issue compared to Rear LSD and fronts no engaged.
Something you have to keep in mind is that all wranglers, JK & JL have the brake lock differential (they really call it that) that kills power if you have a wheel slipping.

See explanation here.

https://blog.fcanorthamerica.com/2008/02/11/jeep-brake-traction-control-explained/

On my 2016 JK sport it was noticeable in the mud, not so much snow. You are right, the limited slip works just fine, as does the locker but with the locker the wheel does not slip and cause the brake to try to transfer power and bog down the engine.
 

JayD1056

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Something you have to keep in mind is that all wranglers, JK & JL have the brake lock differential (they really call it that) that kills power if you have a wheel slipping.

See explanation here.

https://blog.fcanorthamerica.com/2008/02/11/jeep-brake-traction-control-explained/

On my 2016 JK sport it was noticeable in the mud, not so much snow. You are right, the limited slip works just fine, as does the locker but with the locker the wheel does not slip and cause the brake to try to transfer power and bog down the engine.
So brake lock differential doesn’t technically kill power to manage slip. BLD’s job is to transfer Torque from the wheel in slip to the wheel with traction. So brake torque is applied via the ABS/ESC module to the wheel in slip. So this feature works most obviously when you are on split mu, like one wheel on pavement and one wheel in dirt, ice, or rock crawling and it’s in the air.

Traction controls job is to manage to wheel slip when accelerating and if the wheels are over spinning too much relative to the current velocity then engine torque will be cut. This threshold is something like 5-15% depending on calibration and the situation that’s detected. For example if you are moving at 10 mph and the max allowed wheel speed could be something like 11mph or 15 etc. any more than that TCS will limit engine torque and then manage individual wheel traction by brake application.

the JL TCS system is greatly improved over the JK, but it’s still a reaction system. It can’t see or know what the road condition is/know the friction between the tires and the road surface until the system is in some slip.
 

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