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Originally Posted by shorod
Is your 98 an AWD, or a selectable 2WD/4WD? And if selectable, do you drive it in "Auto" mode or 4WD mode?
The AWD uses a viscous coupling to transfer torque as needed, whereas the selectable transfer case does not. The viscous coupling prevents the wheels from binding during tight turns. I suspect if the front driveshaft of the AWD setup were removed, the truck would not move very far before wearing out the transfer case clutches. The standard torque split for the AWD is 35% front, 65% rear.
The Auto mode in a selectable transfer case does vary the amount of torque to the front and rear wheels, but in 4WD mode, locks the front and rear. I would expect that to prevent wear and slip, you would need to use the 4WD setting if the front driveshaft is removed.
-Rod
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I have an AWD. Its driven fine for months without the shaft. If what you say is true, it'll be the first thing i check when the next bang click and grind starts playing on my machine. Good info though, thanks