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  #1  
Old 12-16-2016, 10:51 PM
bambams bambams is offline
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Question Beginner Discussion - Transmission Binding/Driveline Wind-Up/Part-Time 4x4

I'm a 4x4 newbie. I have a 2008 4L Ranger Sport. I've had it for about 2 years now. I have learned enough to know the basis of driveline wind-up/transmission binding, but it makes me nervous not knowing if it's happening or not. I know not to use 4x4 on high traction surfaces.

I'm Canadian and my city just endured a 2 day blizzard so the roads are covered in iced up snow. That said, it's very jerky while turning in 4x4 even on the snow and ice. I'm not sure if that's normal or not. I've read mixed advice online already. Is it generally safe to drive around at city speeds in 4x4 if the roads are covered in snow/ice, or should you always switch back to 2wd once you've started going?

If you do start to wind up the driveline how can you tell, and what should you do to safely relieve the torque?

I think in the past I've avoided 4x4 as much as possible because I wasn't sure about it. It comes in handy to start off at a traffic light, but I always used to switch it right off afterward. The last few days the weather has been interesting enough that I've preferred to just leave it in 4x4 at all times in the city.

I realize that it's normal for there to be an under-steering effect in 4x4 too, but the jerkiness while turning in 4x4 is what really makes me nervous.

My finacee likes to take the truck when the weather is bad and I'm not using it so I'd like to be able to teach her proper usage to avoid breaking something I can't afford to replace right now.

I tried searching the forum for this discussion, but the results didn't seem relevant. Surely this must have been discussed before though. Even links to those past threads would give me a starting point for Ranger specific advice.
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  #2  
Old 12-17-2016, 10:20 AM
tomboy tomboy is offline
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Default Re: Beginner Discussion - Transmission Binding/Driveline Wind-Up/Part-Time 4x4

If you've got the same size tires on all four wheels, there won't be any drive line wind up, and its normal when turning past a certain point while in 4x4 to get that jerky feeling. Drove my 2000 over 40 miles on ice covered roads this morning, all in 4x4, no problem.
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Old 12-17-2016, 01:05 PM
Fasttrackranger Fasttrackranger is offline
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Default Re: Beginner Discussion - Transmission Binding/Driveline Wind-Up/Part-Time 4x4

I would go 4 hi 50mph from klamath to medford in oregon. It was a manual so i could downshift comming down those mountains and control my speed. Never had an issue with binding. He is right sharp in town turning is jerky

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Old 12-20-2016, 12:00 AM
bambams bambams is offline
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Default Re: Beginner Discussion - Transmission Binding/Driveline Wind-Up/Part-Time 4x4

Thank you both for your responses. It's immensely helpful.
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Old 12-20-2016, 01:41 PM
nelbur nelbur is offline
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Default Re: Beginner Discussion - Transmission Binding/Driveline Wind-Up/Part-Time 4x4

If it is jerky when you turn, the road is dry and you should NOT be in 4wd. As you mention, even with a snow cover, it will swing wide on a corner in 4wd. I shift into and out of 4hi when I am driving in snow based on road conditions. I also shift out when making a sharp turn even with snow cover. However I'm no real authority because we have snow only once or twice a year.
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Old 12-20-2016, 02:05 PM
jordisonjr jordisonjr is offline
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Default Re: Beginner Discussion - Transmission Binding/Driveline Wind-Up/Part-Time 4x4

Are you able to shift from 4Hi to 2wd while moving? I'm new to 4x4's so excuse the newb question. But from my understanding you needed to be stopped in order to switch between the 2.
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  #7  
Old 12-20-2016, 02:19 PM
rob3837 rob3837 is offline
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Default Re: Beginner Discussion - Transmission Binding/Driveline Wind-Up/Part-Time 4x4

You can switch in and out of 4 Hi while your truck is in motion but you have to stop and put it in park to put it into 4 Low
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Old 12-20-2016, 02:21 PM
Logan03CO Logan03CO is offline
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Default Re: Beginner Discussion - Transmission Binding/Driveline Wind-Up/Part-Time 4x4

Quote:
Originally Posted by jordisonjr View Post
Are you able to shift from 4Hi to 2wd while moving? I'm new to 4x4's so excuse the newb question. But from my understanding you needed to be stopped in order to switch between the 2.
You need to be stopped to shift into (or out of) 4WD low but you can be moving & engage/disengage 4WD high.

IIRC, the manual says something like "the maximum recommended speed is 88 km/h (55 mph)" for selecting 4WD high for 2001 & newer Rangers.

Shifting from 2WD (2WD high) to 4X4 HIGH (4WD high):
  1. Move the 4WD control to the 4X4 HIGH position

Shifting from 4X4 HIGH (4WD high) to 2WD (2WD high):
  1. Move the 4WD control to 2WD position at any forward speed.

Shifting from 2WD (2WD high) to 4X4 LOW (4WD low):
  1. Bring the vehicle to a stop.
  2. Depress the brake.
  3. Place the gearshift in N (Neutral) (automatic transmission) or depress the clutch (manual transmission).
  4. Move the 4WD control to the 4X4 LOW position.

Shifting from 4X4 LOW (4WD low) to 2WD (2WD high):
  1. Bring the vehicle to a stop.
  2. Depress the brake.
  3. Place the gearshift in N (Neutral) (automatic transmission) or depress the clutch (manual transmission).
  4. Move the 4WD control to the 2WD position.


Click: Ford Ranger Owners Manuals
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Last edited by Logan03CO; 12-20-2016 at 02:24 PM.
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  #9  
Old 12-21-2016, 07:51 AM
jordisonjr jordisonjr is offline
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Default Re: Beginner Discussion - Transmission Binding/Driveline Wind-Up/Part-Time 4x4

That's awesome news. Being new to 4x4, I've just always done what I've seen my friends do (switching while stopping). Good to know you can switch on the go while driving.

Do you need to let off the throttle or anything to Switch from 4HI to 2HI?
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Old 12-23-2016, 10:30 PM
bambams bambams is offline
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Default Re: Beginner Discussion - Transmission Binding/Driveline Wind-Up/Part-Time 4x4

I suggest checking the owner's manual to be sure. I bet it gives a best practice guide for that. I have shifted into and out of 4HI while accelerating very slightly at low speeds, but I try to baby it. I imagine breaking anything in that vicinity is hundreds upon hundreds to replace, let alone labor if you need it... I try to be stopped or coasting most of the time I'm switching into 4HI. Switching to 2WD I think is a bit more forgiving, but you probably still don't want to be standing on it.
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