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Old 11-11-2007, 08:25 AM   #1
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Exclamation have never driven a jeep before - need help with 4wd!

Hi!

we are getting married in st. john and rented a jeep to get us around. let me say, i did not know what i was in for...i'm having a tough time figuring out which 4wd mode to be in. it seems like no matter which one i'm in, i struggle climbing these mountains (some have a 35 - 45 degree grade.)

there are 3 settings. 2wd (lowest to the floor), 4wd l (pull the handle up once), N (pull the handle to the side) and 4wd h (pull the handle up after pulling it to the side)

which is the best for moutainous paved terrain? do i have to do anything special to get into 4wd h? i'm driving in 4wd L (the dashboard says "part time")

your help would be appreciated. sorry if i seem stupid...it's most likely becuase i am. my daily-driver at home is a WRX. these vehicles could not be any more different.

thanks for your help!

r

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Old 11-11-2007, 08:30 AM   #2
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If you are driving on pavement, you should be in 2wd, unless the Jeep actually won't go up the hills (tires are slipping), then more than likely, you would need 4wd H .

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Old 11-11-2007, 08:33 AM   #3
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yeah, the hills are too tough to traverse with 2wd. they're also pretty unfinished on the edges, so 2 tires are usually in dirt.

to get into 4wd h, do i need to do anything special / need to be driving a certain speed/etc, or can i do it when i'm stopped?

thanks for the help...like i said, i'm a little bit of an idiot when it comes to jeeps.

r
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Old 11-11-2007, 09:13 AM   #4
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1st make sure you have a front driveshaft. Some rental place take it out so you can't go off-road. hm even with steep hills and being paved 2wd should be fine. But I would say 4 hi or 4 lo as needed.
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Old 11-11-2007, 09:28 AM   #5
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how can i tell if i have a front deiveshaft? this company's not exactly that reputable...so i'm not sure that they'd tell me if they took it out or not.

will switching to 4wd h will stop the front tires from hopping and squeaking when i make tight turns?

thanks, everyone, for your help!

rob
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Old 11-11-2007, 09:46 AM   #6
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You should be able to shift into 4wd high at no more than 35 mph. 4 Wheel Drive High is the optimal setting for offroad settings if you're traveling faster. Of course, if you choose to use 4 Wheel Drive Low, it is designed for driving under like 25 MPH. I actually used 4 WD Low to pull out some bushses in the front yard.

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Old 11-11-2007, 09:49 AM   #7
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nope 4wd will do that if you're on pavement, its not meant ot be used on pavement

4wd high can be put into at any "legal speed" so if your under 55 mph than its ok if you go by the manual

and to check if there's a front driveshaft, crawl on your back underneath the front of the jeep, there will be a front differential (big "pumkin" thing in the middle of the axle, and coming out of the back of that should be like a 3" diameter pipe looking thing, make sure that that goes all the way to the t case under the cab

but im sure you have it if your jumping on turns

my suggestion would be to load up the back so you get better traction on the sand, and dont slam on the gas pedal, slow and steady and if you feel like the tires start to spin then pull it up into 4hi and let off the gas
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Old 11-11-2007, 01:29 PM   #8
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how come no1 suggested yet taking air out of the tires? ahha
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Old 11-11-2007, 01:55 PM   #9
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how come no1 suggested yet taking air out of the tires? ahha
Because he's not climbing over boulders.
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Old 11-11-2007, 08:36 PM   #10
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how can i tell if i have a front deiveshaft? this company's not exactly that reputable...so i'm not sure that they'd tell me if they took it out or not.

will switching to 4wd h will stop the front tires from hopping and squeaking when i make tight turns?

thanks, everyone, for your help!

rob

dont bother looking for a driveshaft, if your front wheels hop when you turn, its there.
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Old 11-11-2007, 08:37 PM   #11
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Originally Posted by jeepinstjohn View Post
how can i tell if i have a front deiveshaft? this company's not exactly that reputable...so i'm not sure that they'd tell me if they took it out or not.

will switching to 4wd h will stop the front tires from hopping and squeaking when i make tight turns?

thanks, everyone, for your help!

rob

Wow.....Im not sure you should even be driving man
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Old 11-12-2007, 02:04 AM   #12
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Because he's not climbing over boulders.

oh my bad i thought he was trying to take it in the sand
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Old 11-13-2007, 08:29 AM   #13
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Most likely I would imagine why your having problems going up the hills is due to engine size or improper maintnace from the rental company. Your jeep probably has a 4 cyl. engine due to gas prices, (thought U.S. prices were high now) and the steep hills and switchbacks are just to much for it. I would just take it easy and keep it in a lower gear to keep your rpms up and not shift as much. If it is a auto maybe keep it in 2nd instead of drive. Just remember that if a mule goes to pass you smile and wave.
I've been to St. John before and know how the hills there are and the road conditions weren't that great even though paved but shouldn't require 4wd. Some of the more remote areas where it is dirt and washed out you might.

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