Dakota 2WD V6-3.9L VIN X (1997)
7. The thermal viscous fan drive is attached (threaded) to the water pump hub shaft. Remove fan/viscous fan drive assembly from water pump by
turning mounting nut counterclockwise as viewed from front. Threads on viscous fan drive are RIGHT HAND. A Snap-On 36 MM Fan Wrench
(number SP346 from Snap-On Cummins Diesel Tool Set number 2017DSP), or equivalents can be used. Place a bar or screwdriver between water
pump pulley bolts to prevent pulley from rotating. Do not attempt to remove fan/viscous fan drive assembly from vehicle at this time.
8. If water pump is being replaced, do not unbolt fan blade assembly from thermal viscous fan drive.
9. Remove fan shroud attaching hardware (two bolts at bottom-two clips at top).
10. Remove fan shroud and fan blade/viscous fan drive assembly from vehicle as a complete unit.
11. After removing fan blade/viscous fan drive assembly, do not place thermal viscous fan drive in horizontal position. If stored horizontally, silicone
fluid in viscous fan drive could drain into its bearing assembly and contaminate lubricant.
12. Do not remove water pump pulley bolts at this time.
13. Remove accessory drive belt as follows: The drive belt is equipped with a spring loaded automatic tensioner. Relax tension from belt by rotating
tensioner clockwise (as viewed from front). When all belt tension has been relaxed, remove accessory drive belt.
14. Remove four water pump pulley-to-water pump hub bolts and remove pulley from vehicle.
15. Remove lower radiator hose clamp and remove lower hose at water pump.
16. Remove heater hose clamp and heater hose from heater hose coolant return tube.
