if it has auto/4high/4low it runs in 4wheel full time. the transfer case acts as a traction lock rear end, the axles can run different speeds in 4auto, when 4high or 4low is engaged it keeps the front and rear together like a positrac. there is no shift motor. it will never run in 2wheel drive. can have chatter in viscous clutch, my experiance is chain gets stretched with miles and starts slipping.
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
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