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#73882 02/25/2007 9:41 PM
Joined: Nov 2006
Posts: 102
E
'Bolter
'Bolter
E Offline
Joined: Nov 2006
Posts: 102
OK here goes another possibly dumb question!

I have not used the 4x4 since I got the truck in Aug. It's in the garage at the moment.

On my 63 4x4 burb do I need to lock the front hubs before I engage the 4 wheel drive or can I engage " on the fly" for non low range 4x4? My wifes tracker 4x4 is a 4 wheel on the fly but you must be stationary to engage the 4x4 low range.

Can one of you guys run by me how the 4x4 works in my burb?

Thanks....EB.

#73883 02/25/2007 9:49 PM
Joined: May 2006
Posts: 8,351
L
'Bolter
'Bolter
L Offline
Joined: May 2006
Posts: 8,351
Yes, you will need to lock the hubs first. You can leave the hubs locked and shift from 2 to 4 wheel drive "on the fly" as long as you keep it under 25mph. Low range will require stopping. Leaving the hubs locked when you think you'll need to go into or out of 4wd will not hurt anything, the frond drive components will just spin freely when in 2wd mode. You do want to unlock the hubs when 2wd is going to be used for long periods to decrease wear and improve fuel efficiency.


Bill Burmeister
#73884 02/26/2007 1:40 AM
Joined: Nov 2006
Posts: 102
E
'Bolter
'Bolter
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Joined: Nov 2006
Posts: 102
Thanks Bill....you have no idea what kind of different info I've had to this question before I posted here.

Under qhat conditions would you typically use low 1?

Thanks again Bill.

EB

#73885 02/26/2007 1:59 AM
Joined: May 2006
Posts: 8,351
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'Bolter
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Low range would be used in situations such as pulling a heavy load (like pulling someone out of a ditch) or possibly if you had to climb a steep grade that required the use of 4wd. Cotrary to what some might tell you, do not use low without locking the hubs. Some will tell you that you can use low range in 2wd mode, but that can lead to axle/driveshaft failure. This is because the low range multiplies the torque, usually 2X what is going in. This can exeed the rating of the axles/U joints if the front isn't locked in to allow the torque to be evenly spread to all 4 wheels.


Bill Burmeister
#73886 02/26/2007 2:36 PM
Joined: Nov 2006
Posts: 102
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'Bolter
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Joined: Nov 2006
Posts: 102
Thanks again Bill.....got it now!

EB.


Moderated by  Phak1, Woogeroo 

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