4H Auto VS 4H Part Time Jeep Wrangler 4x4
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- Опубликовано: 22 ноя 2021
- Do you know the difference between 4H Auto vs 4H Part Time? So you bought a Jeep Wrangler and you don't know what the difference is between 4h auto and 4h part time make sure you watch this complete video. 4h auto you can drive anywhere any time even dry pavement. 4h part time you cannot drive on pavement because the transfer case is locked up allowing the front and rear driveshafts to spin at the same speed. Do you know how to use the 4WD system? how to use your jeep wrangler 4xe 4wd. the Jeep gladiator has the same set up. the Jeep wrangler 392 does not even have a 2wd option only a 4h auto
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0:00 Introduction
0:30 2wd 4h auto 4h part time
0:46 What is the difference 4h auto vs 4h part time
2:50 Demonstration 2wd
3:18 Demonstration 4h Auto
3:50 Demonstration 4h Part time
4:24 My thoughts 
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Have 4xe questions?? Feel free to text me personally at 704-459-3087 . Here I can go more in-depth about any of your questions!
Dude props for the knowledge you give people about this car you’re one of the reasons I decided to order one
Thanks brother!! What color did you get?
@@BrandonHaneline I ordered the black one so that I could do some cosmetic mods with vinyl wrap, I have your number though I’ll definitely show it to you when it gets here
Thank you this is useful information! 🙏🏽
Hey this jade and I’m about to get a Jeep Wrangler and do I have to use the 4H Auto while driving? I don’t have to use it do i ? Please respond
I feel better about buying my 4xe Sahara after seeing your videos. There are a lot of haters out here, thanks for the positivity.
Brandon, your videos are really well made, informative and straight to the point with no BS. Really enjoy them.
Thank you so much for clarifying this. It was hastily explained at the dealership. So far, I’m loving my 2021 4Xe. I didn’t know how much of a beast this Jeep truly was.
That's a great explanation. I have heard it explained before but this was a much better job of explaining it. You're a great teacher.
Thanks,
Pat
The clearest display and explanation on YT. Thank you
Best, easiest and honest answer to tis question on the web....Well done sir!
Great explanation, thank you! I have never fully understood the difference until watching this!!
great demo! I thought I knew all about the differences, but this was clear. Very nice Brandon, keep them coming!
Thanks Brother!!
Cool demo. Nice job. Love the AWD mode since that is best on road in icy conditions & why modern crossovers are better than traditional trucks in those conditions
Excellent demonstration of 4H Auto vs 4H Part Time, extremely helpful and concise. Thanks a bunch.
Thank you very much! As a new Jeep 4Xe owner, I was looking for exactly this info! Switched to 4H auto today from 2H…and man, what an amazing difference! It’s like a whole different animal, this car! Thanks again for this awesome demo!!!
Awesome. Thank you. Since I was too lazy to read the entire owners manual I didn’t know the difference. Now I do!
That’s what I’m here for!!
Brandon you are awesome! Been watching all your videos and have a better understanding of my new 4XE.
The video clips in slow motion were a fantastic idea. Very clearly shows the results of the mechanical differences between the modes. I personally wish the RockTrac 4:1 transfer case had a 4 H auto mode on my 18 3.6 JLUR for better traction in heavy rainstorms while on pavement.
Thank you. That would be cool if it had that.
@@BrandonHaneline do I have to use the 4H auto? And what is it for please please respond respond 🙏🏾🙏🏾🙏🏾
Just an excellent explanation of the 2wd to 4wd auto to 4wd part time.
Excellent explanation on the difference between 4H auto and 4H part-time.
Great video ! I am doing my homework for my new 2023 wrangler order. Thanks for sharing.
Awesome Video, as a fellow Jeeper I appreciated this.
Great video, helps me understand our 392 better.
Always good to hear from you Brandon.
Thanks Brother!!
Great video, finally explained in a manner that makes sense!
Well done and appreciated for new wrangler owners, thanks
Thank you for the video, Brandon. Very informative. Have my 2022 4xe on order.
Awesome what colors did you get?
Great videos keep them coming. I owned a 2.0 2019 Sahara prior to my 2021 4xe and it also had 4HA. The 4HA works great in almost all slippery situations. When the white stuff dumps hard in Iowa the 4HPT is great to get through thick snow but isn’t the best option for dry roads or hard packed snow or ice compared to 4HA.
Thanks so much for that Brandon ... this being my first wrangler my rubicon 4xe will see more 4auto usage . Still waiting from the dealer to schedule me for that check engine issue we texted about. I will let you know what comes of it...Charles
You explained very well! I loved this!
Thank you. Your most welcome
Really, really helpful. Thank you!
Excellent! Man, thanks. Exactly what I needed.
Thanks a lot! Now switched to 4h auto by default)
I love your channel! Right to the point and easy to understand! 👍👍👍👍
I appreciate that!
@@BrandonHaneline I just bought a 2023 jeep wrangler willys a month ago and you have the only channel out there that gets right to the point and so informative! Thankyou for all of your knowledge my friend! 😄👍👍👍
You should do a tip on how to take your JL out of gear to tow behind a RV
Love your quick straight forward tips.
Amazing, did not know! Thank you very much, going out to give it a spin.
Great video and easy to understand 👍 👌 😀
Best explanation by far...
Thanks Brandon for the very helpful Video!
Your most welcome 🙏 😊
Thank u for the awesome explanation
Excellent video 👍
Thank you so much Brandon ! Awesome content and great info👍🏽 .. Loving my 4xE Super good jeep 💪🏽
Awesome!! What color did you get!!
@@BrandonHaneline WHITE 2021 Sahara 4xe ⚪️|||||||⚪️⚡️
Good info as always. Question is there any potential of damage or warranty issues with keeping it in 4h auto all the time? Or any difference in MPG?
Awesome video, thanks!
Woo hoo! It finally arrived! Today we picked up a white Sahara 4xe with saddle leather, sky one touch, and all the safety & tech packages. The battery is
Soo exciting!!!!
@@BrandonHaneline do you sell the blue paint for the tow hooks? Funny that the 2021 Sahara 4xe comes with black tow hooks.
No I don’t. But I can get you the part number for the blue hooks.
Brandon, thank you for video. You might of saved me. One question, when would you or what conditions would you turn off traction control?
Cherokee Trailhawk can't even be taken out of auto (unless you pull a fuse). I love it. Good luck spinning the tires
Great explanation.
Thank you for that information
THANK YOU! 😊
Great job! Thanks
Your most welcome!!
Great explanation. Much better explained then the dealership salesman. Is this the same on 2021 jeep Willy’s? Regular auto also when would I use 4 Low
Nice Demo !!👍. How about consumption both Gas and/or electric range between 2H and 4H Auto
“Part time” name is confusing. If this is essentially a center lock, shouldn't it be called “Full time” then?
I fully agree. It confused me as well at first. Part time here refers not to the type of engagement, but to its intended use. You should only use this mode in case of slippery roads or rough terrain, not on paved roads, hence part time. 4H auto instead is the equivalent of full time: you can use it on any terrain, any time. Essentially you can leave your Wrangler in 4H auto and never look back at it (although 2H should be preferred to maximize fuel efficiency).
@@MrSeppieD 🤦♂️ now that you put it this way, at least it makes some sense.
Full time would be when you are true locked and true 4 wheel drive. That is when you have lockers.
@@meltedeskimo321 well that’s what I’d expect with Toyota mindset, but it doesn’t look like what Jeep meant
Couldn’t agree more - Exactly, ‘part time’ is really a centre diff lock. Should be named ‘4H Lock’. Wonder how many people are driving around in 4H part time because of the incorrect name, then ruining their drive line.
Fabulous thank you!
From page 168 of the 2021 Jeep Wrangler 4xe owners manual.
“Driving the vehicle in 2WD will have greater fuel economy benefits as the front axle is not engaged in 2WD.
For variable driving conditions, the 4WD AUTO mode can be used. In this mode, the front axle is engaged, but the vehicle's power is sent to the rear wheels. Four-wheel drive will be automatically engaged when the vehicle senses a loss of traction. Because the front axle is engaged, this mode will result in lower fuel economy than the 2WD mode.
In the event that additional traction is required, the transfer case 4WD High and 4WD Low positions can be used to lock the front and rear driveshafts together, forcing the front and rear wheels to rotate at the same speed. The 4WD High and 4WD Low positions are intended for loose, slippery road surfaces only and not intended for normal driving. Driving in the 4WD High and 4WD Low positions on hard-surfaced roads will cause increased tire wear and damage to the driveline components. Refer to "Shifting Procedures" in this section for further information on shifting into 4WD High or 4WD Low.
The instrument cluster alerts the driver that the vehicle is in four-wheel drive, and the front and rear driveshafts are locked together. The light will illuminate when the transfer case is shifted into the 4WD High position.”
Thank you, I kind of remembered that but was not sure.
I’ve noticed regen is greater in 4ha when breaking vs 2wd. But only when the e-save mode is set to recharge not save mode.
Been needing to test distance with 4ha with cruise control vs not.
Also notice that traction control off gets better range as well.
Right, part-time is locked center diff and locks front to back just like a locking diff locks left to right and vice versa. 4wd auto is basically open center and is like the "open diff" of front to back.
Nice explanation 👏🏻👏🏻👏🏻. Could you please, let me know how’s your DEF consuming? Recently, the engine light popped out on my Jeep Wrangler Sahara and dealer found a problem on DEF pump. I had to replace the whole kit(pump+reservoir) and they also performed an PCM update. After that, I noticed a high consumption on that.
Thanks man.
This should be required viewing before you drive off the dealership's lot. So many people don't understand this and how easy it is to break your Jeep if you are in the wrong transfer case mode for the conditions.
Yep. Your correct l!!
Thanks Brandon, I'm keeping my 4xe in 4h auto from now on. Dude I learn so much from your videos it's unbelievable. Many thanks for putting out these content. Puzzle for you, where is the picture of a pair of slipper on the 4xe jeep?
Cowl.. on the right.
Look for Brandon's video about the Easter Eggs. He shows that one and a bunch of other cool ones too.
Dude, you're amazing!!!
LOL. Thank you.
One question, I am new to this so please forgive me if this question is redundant. Is what you are explaining here the same as having a locker on the Rubicon? If not, then what's the difference?
I do love your videos!!
Did you paint the interior trim pieces to match the body? If so nice job!
So why does the 4 hi auto t case have cv joints in the front diff and the normal t case have u joints? 🤔
Great video Brandon. May I suggest that you do another video while turning the steering wheel full left or full right in both 4H Auto, and in 4H Part-Time. That way the viewer can see the wheel hop in the front axle (especially on dry pavement) while turning in 4H Part-Time, and then no wheel hop, or axle binding while turning in 4H Auto.
Never use 4h part time on dry pavement.
@@BrandonHaneline Exactly! That was my point. Demonstrate what will happen on dry pavement if you use 4H Part-time, which you should never do. Many newbies put their brand new Jeep in 4H and then complain about wheel hop, screeching tires, etc. They don't understand that the entire drive train is binding up because 4H is NOT for dry pavement.
@@tmar9159 lol at asking him to demonstrate what it looks like to damage your $60k jeep. Yeah I realize it probably won’t do any damage doing it once, but it’s certainly not good for it.
@@BrandonHaneline brandon, can you please crash your jeep into a wall at 20mph so we can see how safe it is
@@user-yq6ov6ow7l
GOOD 1 !!!
Awesome video!
What's your mpg in 4H auto?
Why would they include 2h and not default to 4h auto?
Which is better for someone who will primarily use a Jeep for off-road?
Where'd you get/how'd you do the blue dash?
I have a 2021 2.0 4XE Sahara and tow a travel trailer. Would it be ok to keep it in 4HA all the time?
Brandon - curious what your thoughts are now that Jeep has discontinued the Selec-Trac (4H auto) option in the 2023/2024 models
Can you drive around town or long distances in 4H Auto? Especially as winter and snow is likely to happen? is it going to damage the vehicle? what about just rain? Thank you! I really enjoy your videos, you are explaining everything as if I were 5 and I love it. This is what I need. Thank you!
Seems like you need to watch the video again like several times based on your question you didn’t pay attention
I'm assuming two wheel drive is better for gas mileage on dry pavement. Four wheel auto is better for wet pavement and four part time is for dirt or off-road. I'm still confused on turning traction control on or off.
Hello Brandon. Thanks for the explanation of 4wd system. I do have a question which I am unable to find a clear answer for.
In JLU Rubicon equipped with Rock track 4:1 HD full time transfer case /4H Auto/ How exactly this transfer case operates in 4h Auto and 4H/4L Part time. There are allot of discussions that this t-case has clutch pack which is taking care for the 4H Auto operations and in the same time it has classical lock / chain/ when in 4H/4L Part time. There is also information that the 4H Part time lock is engaged by the clutch system, by locking the clutches in solid state imitating the real lock as in classical Part time t-case.
Thanks
Inhave a question about 2wd vs 4wd auto. Younsaid you keep it in auto, does that drain the battery faster?
I looked through some of messages before asking this question.
So in 4H I have seen that people say you should just drive in that mode up to 55MPH. Also is it wise to drive normal driving mode in 4H all the time?
Thank you, PS my 2010 does not have 4H part time
Can you also explain what the 'N' and "4L' settings are though please...?!
So which mode gets the best mileage/range?…
Question. My sahara is horrible on wet, it dangerously understeers, would "transfer case lock" aka "4H part-time" be better than 4H Auto?
How is fuel economy in 4H Auto compare to 2H? How much more you expect to consume In 4H A ? Thanks
any advantage 4 auto vs just 2. like gas mileage, ride comfort etc? (dry weather, paved roads)
I have jeep Cherokee liberty kj 2003 3.7cc the part- time is 50-50 and the full-time is 48-52?? which of the two can i use in the dry???
Really stupid question but I'll ask. is this the reason why when i go into 4wd Part-time on regular pavement and try to make a sharp turn and my steering wheel jerks and shakes....hence why we are only suppose to drive in snow or mud in 4wd part time? correct? ....because for the longest time i thought something was wrong with my 4wd system.
2024 willys does not said auto or part time...does still function the same way?
This was extremely helpful. Thank you!
Anytime!! 😊 if you ever have any question feel free to text me at (704) 459-3087
@@BrandonHaneline I appreciate it that. I ordered my 4xe Rubicon November 12th and waiting for it to come in. I watched the video of you using your 4xe as a generator for your house a couple of weeks ago and was absolutely amazed. I have been practically binge watching your videos and have learned so much. I am pretty average when it comes to knowledge about vehicles so I usually have to take notes and then research the word to something if I don’t know it but I am definitely smarter after watching this. One question I do have is which brand/type level 2 charger would you recommend purchasing and what all do I need to set it up? Do you have a video on that already that I just missed? Also I bought the black Rubicon with the blue stitched leather for the interior. I did the 3 peice hard top but with just the normal black finders and top not the color matched because I personally thought it looked more like a true Jeep with the classic look without the color match.
The Black on blue accents looks Awesome!! There is a 2 That I can recommend one is the juice charger amzn.to/3yTpDsB and the other one I personally have is the charge point amzn.to/3sd8fh0 they both are good.
@@BrandonHaneline Thank you sir!
Anytime 😊😊
My newer Rubicon has 4AUTO, 4PT and locking diffs, so I assuming the diffs aren't locked in 4PT, it's just 4WD. Also 4H is the same as 2H unless slipping is detected. That's what I've heard.
Thx u
If you're always driving on 4H as compared to 2H, does that affect the electrical range or gas?
Mine just has 2 high and 4 high. There is no “auto” designation so does that mean I don’t have 4 high auto and can’t use it full time?
Would this apply to my 2018 Wrangler JK?
Thanks for your explanation ! 👍
But I still do not understand how full time auto 4wd works in a car with only 2 differentials in front and rear axles....🙄
I own a Mitsubishi Pajero first generation, which has same configiration as older Jeeps.
Part-time auto with manual lockhgubs on the front wheels.
You can choose 2H , 4H , N and 4L , driving on the street with fourwheel drive is not recommended.
And I own a Mitsubishi Pajero second gen. which has a center differential, possibility for 2H , 4H open center diff , and 4H locked center diff., and 4L locked center diff.
Driving on the street is possible in 4H open center diff.
When I drive in 4H open center diff. , there is a visco clutch that automatically locks the center diff. when a wheel is slipping.
How works the Jeep Rubicon full time 4WD ? There is no center diff. I assume ?
What kind of clutch is used , Haldex , Visco ?
Please explain the details to me.
Thanks !
I have 2023 Rubicon 4xe and I always keep it at 2H, maybe it's different for Sahara? 🤔
Question on 4H part time. I live in a snow belt area that gets a lot of lake effect snow. Last week we had a decent snowfall and I have the 392 rubicon and in 4H auto it wasn’t that great on slushy semi snowy slippery roads. Can I switch to 4H part time in those conditions? It seemed like the totally snow covered roads in 4H auto it was much better but I almost felt like the back end was fish tailing a bit while only going about 15 miles an hour. First wrangler I’ve had that this happened. I’ve had Sahara’s previous and I do have all terrain tires on the 392. I’m just not sure when I can use 4H part time in the snow
Absolutely!!! Snow is the perfect time to use part time for Snow or off road. Just don’t use it on dry payment.
Tk u
Ok, so in auto: front/rear axle's spin differently; in part-time: front/rear axle's spin together...I suppose I can google it, but WHY does that matter? Maybe you mentioned it somewhere (4:54?) but I'm still not sure WHEN to use one or the other.
Question for you in this- does the 4Auto vs 2H have any impact on the electric only range?
If there is any difference, the range difference is not measureable.
Is there a difference in torque and power between 2H and 4H?
Very interesting. I assumed it worked this way but good to know that I was right.
question. Mechanically the Hyrbid vs a 3.6L mild hybrid I'd assume the mechanicals are the same?
Yep your correct
Appreciate the vid! Now at least I know what's going on mechanically. Still don't know why they call it "part time" though. I guess cuz it would be bad to have it on all the time...?
Totally agree. Why call it Part Time when it’s Full 4WD?
Hey Brandon, thanks for the information. Btw - your last name is Haneline? Is that a Germanic surname? I believe we may be related if so. My family’s name is ‘Hainline’.
How will the energy efficiency change from 2H to 4H Auto? Thanks again for your excellent tips.
I hear people getting more electric range in 4H
I feel like he kind of sounds like Kermit the Frog lol
What year is your jeep?