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Car Forum / Ford / Ford Cars / December 2007

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4WD question

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Shawn - 02 Dec 2007 00:45 GMT
I have a 2004 Ranger XLT 4 X 4 & I live in northern New England. A major winter storm will be approaching in a day or
two & the roads become slippery at times. I hear a lot about not using the 4WD on "hard pavement" but after the plows
do their work & the road surfaces have been treated with salt & sand will continued usage of the 4 X 4  impose additional
wear on the tranny & transfer case. I usually leave it in 2WD & shift it to 4WD only when climbing or descending hills.
Fred - 02 Dec 2007 14:20 GMT
I leave my Jeep in 4wd all winter. No problems and it is 22 years old now.
So
put it in 4wd and forget about it.

>I have a 2004 Ranger XLT 4 X 4 & I live in northern New England. A major
>winter storm will be approaching in a day or
[quoted text clipped - 4 lines]
> wear on the tranny & transfer case. I usually leave it in 2WD & shift it
> to 4WD only when climbing or descending hills.
Jeff - 02 Dec 2007 14:24 GMT
> I leave my Jeep in 4wd all winter. No problems and it is 22 years old now.
> So
[quoted text clipped - 8 lines]
>> wear on the tranny & transfer case. I usually leave it in 2WD & shift it
>> to 4WD only when climbing or descending hills.

Read your owner's manual. There are different types of 4WD systems.
Some, like Jeep's, are made to let you drive on dry pavement. Overs aren't.

Jeff
dold@60.usenet.us.com - 02 Dec 2007 21:26 GMT
> Read your owner's manual. There are different types of 4WD systems.
> Some, like Jeep's, are made to let you drive on dry pavement. Overs aren't.

Jeep has all flavors of 4WD/AWD on different models, often multiple types
as options on the same model.  Read _your_ manual carefully.

Signature

Clarence A Dold - Hidden Valley Lake, CA, USA  GPS: 38.8,-122.5

Bruce L. Bergman - 02 Dec 2007 16:38 GMT
>I have a 2004 Ranger XLT 4 X 4 & I live in northern New England. A major winter storm will be approaching in a day or
>two & the roads become slippery at times. I hear a lot about not using the 4WD on "hard pavement" but after the plows
>do their work & the road surfaces have been treated with salt & sand will continued usage of the 4 X 4  impose additional
>wear on the tranny & transfer case. I usually leave it in 2WD & shift it to 4WD only when climbing or descending hills.

Read the owners manual - If you have a part-time 4WD system with no
center differential DO NOT leave it in 4WD while on pavement.  If the
wheels can't slip and you turn corners you will build up differential
stresses in the drivetrain till something breaks.  Whatever is weakest
- a locking hub, a U-joint, a pinion gear...

 You can leave the manual front hubs locked all winter if you want
to, so you don't have to get out of the car and wade through mud to do
that.  (It will cost you a small fraction of a MPG to spin the front
differential parts, but won't hurt anything.)

 But leave it in 2WD mode unless you're just about to get stuck.  And
the minute you get clear, shift back to 2WD.

 --<< Bruce >>--
Shawn - 03 Dec 2007 01:07 GMT
>>I have a 2004 Ranger XLT 4 X 4 & I live in northern New England. A major winter storm will be approaching in a day or
>>two & the roads become slippery at times. I hear a lot about not using the 4WD on "hard pavement" but after the plows
[quoted text clipped - 16 lines]
>
>  --<< Bruce >>--

My ranger has an electronic transfer case selector & can be employed up
to 55 MPH. The manual does state not to use 4WD on dry hard pavement
but up here in northern Maine, it becomes difficult to see of it is dry or not. I
just rely on my judgement & keep it in 2WD until I spot a stretch of snow then
it is 4WD time.
Bruce L. Bergman - 03 Dec 2007 09:18 GMT
>My ranger has an electronic transfer case selector & can be employed up
>to 55 MPH. The manual does state not to use 4WD on dry hard pavement
>but up here in northern Maine, it becomes difficult to see of it is dry or not. I
>just rely on my judgement & keep it in 2WD until I spot a stretch of snow then
>it is 4WD time.

 I would tighten up the criteria a lot - a "stretch of snow" likely
isn't enough to allow wheel slip (to relieve stresses) if needed.  If
it's fine powder snow with no ice underneath, the tires are more than
likely getting down to the pavement.

 I would up the ante to only shifting into 4WD when you find
'un-plowed side street with a good 6" of snow', and other cars are not
cutting ruts down to the pavement.  Not for stretches where you think
you might need it, reserve it for areas you *know* you'll need it.

 Or wait till it gets sloppy enough that you feel it starting to lose
traction and/or the rear end tries coming around on you the first time
- and believe me, when it happens for real you'll know it.  Next time
you can feel it getting close, shift it into 4WD then.

   --<< Bruce >>--
Shawn - 04 Dec 2007 00:49 GMT
>>My ranger has an electronic transfer case selector & can be employed up
>>to 55 MPH. The manual does state not to use 4WD on dry hard pavement
[quoted text clipped - 18 lines]
>
>    --<< Bruce >>--

Today, we got eighteen inches & it was 4WD all the way. I saw no black
top whatsoever, just white as far as the eye can see. Stopping was a big
problem & even with ABS it proves to keep a safe distance from the vehicle
in front & slow down.
 
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